Embodiments of the disclosure are directed to a vibration control system and a vibration control device for structurally isolating a load from a vibration source. In various embodiments a vibration isolation device includes a first and support structure and a sidewall extending between and defining a body of the vibration isolation component. In embodiments the sidewall is configured to structurally support the load. In embodiments the sidewall includes one or more lattice portions occupying at least part of a total area of the sidewall, the lattice portions configured to attenuate a transfer of vibrations through the sidewall between the first and second support structures for reducing vibration transfer from the spacecraft vibration source and the load. In embodiments the body of the vibration isolation device is approximately the same as a component without one or more lattice portions such that the payload interface cone is a drop-in replacement.
2.
SQUID STACK PULSE HEIGHT BIAS-LEVEL SENSOR FOR RECIPROCAL QUANTUM LOGIC
An output-amplifier-based reciprocal quantum logic (RQL) bias-level sensor is used to measure and/or calibrate bias parameters of AC and/or DC bias signals provided to RQL circuitry. The bias signals can include an output amplifier output bias current. The bias-level sensor includes a stack of DC SQUIDs that are supplied their inputs from outputs of respective Josephson transmission lines (JTLs) to which the SQUIDs are transformer-coupled. Staging relative strengths of the bias taps of the JTLs, or the critical currents of the Josephson junctions in the DC SQUIDs, allows an output voltage signal of the bias-level sensor to be indicative of whether a provided bias value is an improvement or optimization of the bias value when varied over a range. The outputs of two such bias-level sensors driven by I and Q clocks can be compared to adjust AC bias amplitudes of the clocks. Relative clock phase can be similarly adjusted.
One example includes an underwater docking system. The system includes an underwater dock that includes a docking rod. The docking rod includes electrical contacts around a periphery of the docking rod. The system also includes a docking assembly mounted on an underwater vehicle. The docking assembly includes an actuator and a hook assembly that includes a docking arm and a jaw assembly. The docking arm physically guides the docking rod into the jaw assembly and the actuator closes the jaw assembly around the docking rod to provide electrical connection of brush contacts of the jaw assembly with the electrical contacts of the docking rod to provide electrical power from a power source via the electrical contacts to the underwater vehicle. Each of the electrical contacts and the brush contacts can be formed from a self-passivating material.
One example includes a MOT system. The system includes first optical source configured to provide a plurality of first optical beams parallel to a central axis associated with the MOT system, and a first set of optics configured to focus the first optical beams to the central axis through a trapping region comprising a vapor of atoms. The system also includes a second optical source configured to provide a plurality of second optical beams parallel to the central axis associated with the MOT system, and a second set of optics configured to focus the second optical beams to the central axis through the trapping region. Each of the second optical beams can be coaxial with a respective one of the first optical beams, such that each of the first optical beams is counterpropagating with a respective one of the second optical beams.
One embodiment includes an electrometer system. The system includes a sensor cell comprising alkali metal atoms within, and an optical beam system configured to provide at least one optical beam through the sensor cell to provide a first Rydberg energy state of the alkali metal atoms, the at least one optical beam exiting the sensor cell as a detection beam. The system also includes a tuning laser configured to generate a tuning beam having a predetermined tuning frequency between the first Rydberg energy state and an intermediate energy state of the alkali metal atoms. The system further includes a detection system configured to monitor the detection beam to detect an external signal having a frequency that is approximately equal to an energy difference between the first Rydberg energy state and a second Rydberg energy state based on monitoring the detection beam.
An atomic clock system includes a waveguide cavity that is sealed and comprises a gas enclosed therein. The waveguide cavity has a length that is an integer multiple of approximately one half-wavelength of a resonant frequency of the gas between two states. An oscillator system generates an RF signal through the waveguide cavity. The RF signal has a signal frequency that is approximately equal to the resonant frequency of the gas. A detection system measures a characteristic of the RF signal through the waveguide cavity to detect a maximum transition between the two states of the gas and to provide a feedback signal to the oscillator system to lock the signal frequency of the RF signal to the resonant frequency of the gas based on detecting the maximum transition. The detection system provides a frequency reference output signal based on the signal frequency of the RF signal.
G04F 5/14 - Apparatus for producing preselected time intervals for use as timing standards using atomic clocks
G02F 1/035 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on ceramics or electro-optical crystals, e.g. exhibiting Pockels or Kerr effect in an optical waveguide structure
7.
PULSE-GENERATOR-BASED BIAS-LEVEL SENSORS FOR RECIPROCAL QUANTUM LOGIC
Pulse-generator-based reciprocal quantum logic (RQL) bias-level sensors are fabricated on an RQL integrated circuit (IC) to sample AC or DC bias values provided to operational RQL circuitry on the RQL IC. The bias-level sensors include pulse generators having strengthened or weakened bias taps (transformer couplings to RQL AC clock resonators or DC bias lines) as compared to bias taps of Josephson transmission lines in the operational RQL circuitry, or Josephson junctions (JJs) with larger or smaller critical currents as compared to JJs in the operational RQL circuitry. Pulse generators with weakened bias taps or larger JJs can have lower limits of their operational ranges placed near an optimal bias point at the centroid of the operating region of the operational RQL circuitry. The bias-level sensors can be staged by relative strength to indicate whether a provided bias value is an improvement when varied over a range.
H03K 19/195 - Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using superconductive devices
H03K 19/20 - Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits characterised by logic function, e.g. AND, OR, NOR, NOT circuits
H03K 19/17736 - Structural details of routing resources
H03K 3/38 - Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of superconductive devices
8.
ELECTROMETER SYSTEM WITH RYDBERG DECAY FLUORESCENCE DETECTION
One example includes an electrometer system. The system includes a sensor cell comprising an alkali metal vapor within. The system also includes an excitation beam system configured to provide at least one excitation optical beam through the sensor cell to excite the alkali metal atoms from a. ground state to a Rydberg energy state. The system also includes a stimulated emission beam system configured to provide a stimulated emission optical beam through the sensor cell to provide energy decay of the alkali metal atoms to a decay energy state that is less than the Rydberg energy state. The system further includes a detection system configured to monitor fluorescent detection light emitted from the alkali metal atoms as the alkali metal atoms decay from the decay state to the ground state to determine signal characteristics of an external signal based on an intensity of the fluorescent detection light.
G01N 21/63 - Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
A map control module receives a stream of map data characterizing a geographic region proximal to a vehicle and outputs a moving map, and the moving map is divisible into a matrix of cells. A map item control receives a stream of point of interest (POI) data characterizing a plurality of POIs within the boundary and categorizes each of the plurality of POIs to define a set of categories. The map item control determines a display location of a map item within the matrix of cells for each of the plurality of POIs and determines an importance for each POI within a same category. The map item control forms a set of clusters of map items. Each map item in a given cluster of map items has a same cell and a same category. The map item control selects a top-item for each cluster of map items.
G01C 21/36 - Input/output arrangements for on-board computers
G06F 3/04817 - Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance using icons
A robot intelligence engine receives highly immersive virtual environment (HIVE) data characterizing a set of robot tasks executed by a test robot in a HIVE, wherein the robot tasks of the set of robot tasks include a robot skill. The robot intelligence engine receives sensor data from a problem detecting robot deployed in an environment of operation that characterizes conditions corresponding to a detected problem and searches the set of robot tasks to identify a subset of the robot tasks that are potentially employable to remedy the detected problem. The robot intelligence engine simulates the subset of robot tasks to determine a likelihood of success for the subset of robot tasks. The simulation generates a set of unsupervised robot tasks that are potentially employable to remedy the detected problem. The robot intelligence engine selects one of the subset of robot tasks or one of the unsupervised robot tasks.
A method of forming a multi-chip system is disclosed. The method includes forming one or more bumps on respective conductive contact pads of a first electronic device, forming one or more mini-bumps on respective conductive contact pads of a second electronic device, and aligning respective one or more mini-bumps with respective one or more bumps. The method further includes performing a bump bonding process that exerts compression force on one or both the first electronic device and the second electronic device to compress the one or more mini-bumps into the one or more bumps to form one or more bump bond structures that bond the second electronic device to the first electronic device.
One example includes a quantum lidar system. The system includes a beam generator configured to generate a signal beam and an idler beam and a beam combiner configured to generate a combined optical beam comprising the signal beam and the idler beam. The system also includes a lidar transmitter configured to transmit the combined optical beam to a target and a lidar receiver configured to receive the combined optical beam and a reflected beam of the combined optical beam reflected from the target to generate lidar data associated with the target.
G01S 7/481 - Constructional features, e.g. arrangements of optical elements
H01S 5/34 - Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
H01S 5/40 - Arrangement of two or more semiconductor lasers, not provided for in groups
One example includes a superconducting circuit. The circuit superconducting circuitry fabricated on a first surface of a circuit layer. The circuit layer includes a dielectric material. The circuit also includes a metal layer formed on a second surface of the circuit layer opposite the first surface and a through-substrate via (TSV) conductively coupled to the metal layer and extending through the circuit layer to the first surface. The circuit further includes a flux gasket conductively coupled to and extending from the TSV on the first surface proximal to the superconducting circuitry. The flux gasket can be configured to divert magnetic fields away from the superconducting circuitry.
H10N 69/00 - Integrated devices, or assemblies of multiple devices, comprising at least one superconducting element covered by group
H01L 23/522 - Arrangements for conducting electric current within the device in operation from one component to another including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
H01L 23/00 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details of semiconductor or other solid state devices
Reciprocal quantum logic (RQL) bias-level sensors are fabricated on an RQL integrated circuit (IC) to sample AC or DC bias values provided to operational RQL circuitry on the RQL IC. The bias-level sensors, or samplers, include Josephson transmission lines (JTLs) or logic gates having strengthened or weakened bias taps as compared to bias taps of JTLs or logic gates in the operational RQL circuitry. Sampler JTLs or logic gates with weakened bias taps to AC clock resonators can have lower limits of their operational ranges placed near an optimal bias point at the centroid of the operating region of the operational RQL circuitry. Staging relative strengths of the bias taps of the samplers in an ensemble of samplers allows for outputs of wrapper circuitry to be indicative of whether a provided bias value is an improvement or optimization of the bias value when varied over a range.
H03K 19/195 - Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using superconductive devices
G11C 11/44 - Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using super-conductive elements, e.g. cryotron
G06N 10/00 - Quantum computing, i.e. information processing based on quantum-mechanical phenomena
One example includes an atomic optical reference system. The system includes an optical system comprising a laser configured to generate an optical beam. The system also includes a vapor cell comprising alkali metal atoms that are stimulated in response to a modulated beam corresponding to an amplitude-modulated version of the optical beam. The system also includes a detection system configured to monitor at least one detection signal corresponding to light emitted from or absorbed by the vapor cell and to generate at least one feedback signal in response to the at least one detection signal. The system further includes a beam modulator configured to amplitude-modulate the optical beam to generate the modulated beam and to frequency shift the optical beam to generate an output beam having a stable frequency in response to the at least one feedback signal.
H03L 7/26 - Automatic control of frequency or phase; Synchronisation using energy levels of molecules, atoms, or subatomic particles as a frequency reference
H01S 1/06 - Masers, i.e. devices using stimulated emission of electromagnetic radiation in the microwave range gaseous
H01S 5/06 - Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
One example includes a vapor cell. The cell includes a transparent enclosure and alkali metal atoms enclosed within the transparent enclosure. The alkali metal atoms can be configured to be stimulated from a first energy state to a second energy state in response to an optical beam provided through the vapor cell and to emit fluorescent light in response to energy of the alkali metal atoms decaying from the second energy state to the first energy state. The cell further includes a reflective coating that is provided on an exterior surface of the transparent enclosure to surround the vapor cell to provide a reflective interior surface with respect to the transparent enclosure of the vapor cell to reflect the fluorescent light. The reflective coating can include a detection window configured to facilitate escape of the fluorescent light from the vapor cell for optical detection.
G01N 21/31 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
A reconfigurable solar array has a plurality of photovoltaic cells and an interconnect circuit including a plurality of switches for interconnecting the photovoltaic cells. A thermostatic feedback control circuit in communication with a temperature sensor is configured to produce a temperature signal that is proportional to a temperature of the photovoltaic cells. The thermostatic feedback control circuit is configured to cause at least one of the switches to change state at a preset temperature that is independent of supply voltage. When the temperature is above the preset temperature, the photovoltaic cells are arranged in a plurality of strings connected in parallel. When the temperature is at or below the preset temperature, at least one photovoltaic cell in each string is disconnected from a respective string and reconnected in series to each other to form a new string connected in parallel to the other strings.
H01L 31/02 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof - Details
H01L 31/0392 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by their semiconductor bodies characterised by their crystalline structure or particular orientation of the crystalline planes including thin films deposited on metallic or insulating substrates
18.
OUTPUT IMPEDANCE AND LOAD INDEPENDENT LATCH-OFF TIMER FOR VOLTAGE-LIMIT MODE PROTECTION
One example includes a power supply system. The system includes a voltage-limit power regulator to generate an output voltage and an instantaneous overvoltage sensor configured to detect an overvoltage condition associated with the output voltage. The system further includes an overvoltage latch-off timer system configured to initiate a latch-off timer in response to detecting the overvoltage condition. The latch-off timer can be uninterrupted by an amplitude of the output voltage. The overvoltage latch-off timer system can further be configured to detect a persistent overvoltage fault in response to detecting the overvoltage condition after expiration of the latch-off timer. The overvoltage latch-off timer system can be configured to generate a fault signal to disable the voltage-limit power regulator in response to detecting the persistent overvoltage fault.
H02H 3/027 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection - Details with automatic disconnection after a predetermined time
H02H 9/04 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
H02M 1/36 - Means for starting or stopping converters
H02H 7/12 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from norm for rectifiers for static converters or rectifiers
One example includes an acoustic resonator filter bank system. The system includes a multiplex passive filter that is configured to provide a plurality of filtered versions of a radio frequency (RF) input signal. The system also includes a filter bank that comprises a plurality of filter blocks that are each configured to provide a plurality of pass-bands across a frequency spectrum. Each of the filter blocks includes an acoustic resonator. The system further includes a switch matrix that is configured to provide one of the filtered versions of the RF input signal to one of the filter blocks in the filter bank to provide an RF output signal having a frequency band corresponding to a respective one of the pass-bands.
One example includes an acoustic resonator filter system. The system includes a filter element arranged between a low-voltage rail and a filter-path node through which an RF input signal propagates to provide a filtered RF output signal. The filter element includes an acoustic resonator and a capacitive network arranged in parallel with the acoustic resonator.
One example includes an acoustic resonator filter system. The system includes a plurality of filter blocks. Each of the filter blocks can include a plurality of tunable filter elements. Each of the tunable filter elements can include an acoustic resonator. The system also includes a switching network that receives a radio frequency (RF) input signal and provides a filtered RF output signal. The switching network can be configured to selectively switch at least one of the filter blocks in a signal path of the RF input signal to provide the RF output signal.
One example includes an optical element. The optical element includes a first optical material structure comprising a first index of refraction across a frequency spectrum. The optical element also includes a second optical material structure configured to exhibit an index anomaly corresponding to a change in index of refraction from the first index of refraction to a second index of refraction across a portion of the frequency spectrum and a change from the second index of refraction to the first index of refraction along the frequency spectrum. The optical element further includes a diffractive interface corresponding to a non-planar material contact junction between the first optical material structure and the second optical material structure. The diffractive interface can be configured to manipulate in a predetermined manner an optical beam having an optical path through the diffractive interface and having a frequency in the portion of the frequency spectrum.
The present disclosure relates to an evaluation of system-of-systems (SoS) architectures for cyber vulnerabilities. In an example, architecture description data and component description data for an SoS can be received. Architecture definition file (ADF) data can be generated based on the architecture and component description data. A model of a target SoS architecture for the SoS can be generated based on the ADF data. The target SoS architecture for the SoS can be evaluated to identify potential cyber-attack vectors with respect to the target SoS architecture, and a probabilistic analysis of the potential cyber-attack vectors can be executed to compute a probability for each cyber-attack vector indicative of a likelihood that a respective cyber-attack results in a mission failure by the SoS based on the target SoS architecture. Display data can be generated for visualization on an output device that includes each identified potential cyberattack vector and associated computed probability.
In an example, a component analyzer can compute a respective part score for each part of the platform based on a part property table, and a respective connection score for each connection of the platform based on a connection property table. The component analyzer can provide the respective part and connection scores as score data to an architecture modeling engine to compute a probability model based on the score data and an architecture model. The probability model can include a part probability value and a connection probability value, and the architecture model can characterize a target architecture of the platform. A survivability analysis engine can evaluate the probability model and the architecture model to determine a likelihood that one or more potential cyber-attacks on the platform based on the target architecture are successful or unsuccessful in compromising at least one part of the platform.
G06F 21/57 - Certifying or maintaining trusted computer platforms, e.g. secure boots or power-downs, version controls, system software checks, secure updates or assessing vulnerabilities
A key updater for a first party operating on a network generates a mutually distilled key for communication between the first party and a second party. The key updater determines a set of verifying parties operating on the network needed to authenticate the mutually distilled key, wherein each verifying party of the set of verifying parties operates on the network. The key updater iteratively executes a key equivalency test for each verifying party in the set of verifying parties to determine a nonce sum until the key equivalency test has been executed for each of the verifying parties in the set of verifying parties or until it is determined that at least one node on the network has been compromised. The key updater generates a final key for communication between the first party and the second party based on the nonce sum and the mutually distilled key.
H04L 9/32 - Arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system
26.
FLUX-TRAPPING MAGNETIC FILMS IN SUPERCONDUCTING CIRCUITS
One example includes a superconducting circuit. The circuit includes superconducting circuitry fabricated in a circuit layer. The circuit layer includes a first surface and a second surface opposite the first surface. The circuit also includes a flux moat comprising a dielectric material formed in the circuit layer. The flux moat can be configured to trap a magnetic flux as the superconducting circuit is cooled to below a superconducting critical temperature. The circuit further includes a magnetic film arranged proximal to the flux moat on at least one of the first and second surfaces of the circuit layer. The magnetic film can be configured to guide the magnetic flux to the flux moat as the superconducting circuit is cooled to below the superconducting critical temperature.
A superconductor junction includes a normal metal layer having a first side and a second side, an insulating layer overlying the second side of the normal metal layer, and a first superconductor layer formed of a first superconductor material that overlies a side of the insulating layer opposite the side that overlies the normal metal layer. The superconductor junction further includes a second superconductor layer formed of a second superconductor material with a first side overlying a side of the first superconductor material opposite the side that overlies the insulating layer. The second superconductor material has a higher diffusion coefficent than the first superconductor material and/or the second superconductor material has a lower recombination coefficent than the first superconductor metal layer. A normal metal layer quasiparticle trap is coupled to a second side of the second superconductor layer.
H10N 69/00 - Integrated devices, or assemblies of multiple devices, comprising at least one superconducting element covered by group
F25B 21/00 - Machines, plants or systems, using electric or magnetic effects
28.
AUTOMATED METHODS FOR MANUFACTURING SHEETS OF COMPOSITE MATERIAL AND COMPOSITE STRUCTURES, PATTERN PREPARATION AND FORMING SYSTEMS, AND SHEETS OF COMPOSITE MATERIAL
Automated methods of forming composite structures (52) may include applying fibers (26) having various predetermined lengths to a removable backing material (50) to form a net shape or near net shape pattern for forming a composite structure having a varying transverse cross-section. Sheets of composite material may comprise strips (26) of composite material adhered to a backing material (50) in a net shape or near net shape pattern for forming a composite structure with a varying transverse cross-section. Further methods of manufacturing sheets of composite material may comprise applying fibers having various predetermined lengths to a removable backing material in a net shape or near net shape pattern for forming a composite structure having a varying transverse cross-section. Pattern preparation systems may include a material placement device (10) programmed and configured to apply fibers having various predetermined lengths to a removable backing material. Forming systems may include an indicia locating device.
Machine learning fingerprinting of wireless signals and related systems, methods, and computer-readable media are disclosed. The systems and methods relate to storing fingerprint data indicating device fingerprint features detected for a plurality of identified transmitting devices in a database. The methods further relate to receiving, at a communication device, wireless communications from an unidentified transmitting device. Additionally, the systems and methods illustrate determining a device fingerprint responsive to a portion of each of the wireless communications using few-shot learning techniques and comparing the determined device fingerprint to the stored fingerprint data in the database
H04L 67/12 - Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
Systems and methods are provided for coupling two qubits. A first persistent current qubit is fabricated with a first superconducting loop interrupted by a first Josephson junction isolated by a first inductor and a second inductor from a second Josephson junction. A second persistent current qubit is fabricated with a second superconducting loop interrupted by a third Josephson junction isolated by a third inductor and a fourth inductor from a fourth Josephson junction. Nodes defined by the Josephson junctions of the first qubit and their neighboring inductors are connected to corresponding nodes defined by the third Josephson junction and the third inductor via a first capacitor, with one pair of connections swapped such that the nodes are not connected to their respective corresponding nodes.
A data storage system including a docking station, and a dockable external data storage device operates in an underwater environment. The dockable external data storage device includes a housing, a memory disposed within the housing to store data, and a connector assembly mounted on the housing. The connector assembly includes at least one optical transmitter configured to transfer data from the memory to a corresponding optical receiver in the docking station. The connector assembly also includes a self-passivating electrical contact configured to transfer electrical power to the dockable external data storage device from a corresponding power contact in the docking station.
A method for assembling a two-dimensional fiber array launcher assembly. The method includes providing an alignment structure having a two-dimensional alignment plate with holes at one end and a two-dimensional beam shaper with micro-lenses at an opposite end. An endcap having a fiber attached thereto is systematically positioned in each hole, and is aligned with one of the micro-lenses with a high precision tolerance. The aligned endcap is then secured in the hole using a curable glue. This process is continued until all of the holes have aligned endcaps. If one of the endcaps is mis-aligned or becomes damaged, the glue can be heated and the endcap realigned or replaced.
A panel array and associated deployment system may include a first cable extending along a first row of panels and coupled to each panel of the first row of panels. The array and system may further include a second cable extending along a second row of panels and coupled to each panel of the second row of panels. The array and system may also include a first column of panels comprising a panel from the first row of panels and a panel from the second row of panels. The system may further include a spool positioned adjacent the first column of panels. The spool may be coupled to at least one of the first cable and the second cable and configured to apply tension to the first cable and/or the second cable
An antenna structure may include a solid antenna structure and a mesh antenna structure. The mesh antenna structure may be coupled to an outer edge of the solid antenna structure through two or more ribs. The two or more ribs may be configured to extend away from the solid antenna structure to expand the mesh antenna structure and increase a surface area of the antenna structure
A method of forming a structure (146) comprising a continuous fiber material comprises continuously feeding, through a continuous fiber nozzle assembly (222) of an additive manufacturing tool (100), a feed material (126) comprising a continuous fiber material and a thermoset resin material, heating or cooling the feed material to maintain a temperature of the feed material to a temperature sufficient to tackify the feed material and at least partially cure the feed material and initiate adhesion of the feed material on a build platform or a previously formed portion of a structure, and moving the continuous fiber nozzle assembly in three dimensions while depositing the feed material on the build platform or the previously formed portion of the structure to form the structure comprising the continuous fiber material extending in three dimensions. Related methods of forming a composite structure, and related tools for additively manufacturing a structure are disclosed.
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 40/20 - Post-treatment, e.g. curing, coating or polishing
B33Y 70/10 - Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials
B29C 70/38 - Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
C04B 35/00 - Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
One example includes an Ising machine system. The system includes a plurality of ring oscillators that are each configured to propagate an oscillation signal. Each of the ring oscillators can be cross-coupled with at least one other of the ring oscillators via a respective one of the oscillation signals to provide a respective phase coupling between the respective cross-coupled ring oscillators. The system also includes an Ising machine controller configured, to generate control signals corresponding to parameters of an Ising problem and including a plurality of delay selection signals. The Ising machine controller can provide at least one of the delay selection signals to each of the ring oscillators. The delay selection signal can be configured to set a variable propagation delay of the ring oscillator to control the relative phase coupling of each of the ring oscillators to each of the at least one other of the ring oscillators.
An aircraft skin coating assembly for an aircraft. The coating assembly includes a primer layer (34) deposited on the aircraft skin (32), an optical stop-etch layer (52) deposited on the primer layer (34) that is reflective at a predetermined wavelength, a coating stack- up (36) deposited on the optical etch-stop layer (52) that provides performance features for the aircraft, and a sealant layer (42) deposited on the stack-up (36). When a laser coating removal process employing a laser beam is used to remove the coating stack-up for replacement, the stop-etch layer reflects the laser beam to prevent it from penetrating and possibly damaging the aircraft skin.
An RF amplifier (100) utilizes first and second main amplifiers (105, 110) in a balanced amplifier configuration with first and second auxiliary amplifiers (115, 120) connected in parallel across the first and second main amplifiers (105, 110), respectively. The main and the auxiliary amplifiers are biased such that the third-order nonlinearity components in the combined output current are reduced. A common or independent bias control circuit controls the DC operating bias of the auxiliary amplifiers and establishes DC operating points on curves representing third-order nonlinear components within the drain current having a positive slope (opposite to the corresponding slope of the main amplifiers). This results in reduction of overall third-order nonlinear components in combined currents at the output. In another embodiment, a phase shift of an input to one auxiliary amplifier is used to provide a peak in minimization at a frequency associated with the phase shift.
Classification of signals using machine learning and related systems, methods and computer-readable media are disclosed. A signal classification system includes a sentence embedding model network, a convolutional generator network, and a classifier network. The sentence embedding model network is trained to convert a body of sentences correlated to different signal modulation schemes into a latent space. The convolutional generator network is configured to project samples of a measured signal into the latent space. The classifier network is configured to classify the measured signal from the latent space responsive to a projection of the samples of the measured signal into the latent space. A method includes training a sentence embedding model network to convert descriptive sentences to a latent space, the descriptive sentences correlated to different signal modulation schemes. The method also includes training a convolutional generator network to project samples of a measured signal into the latent space.
A continuous filament additive manufacturing machine for building a part by laying down a continuous mono-filament or composite filament material layer by layer on a tool or substrate. The machine includes a system operable to move in at least three degrees of freedom, and a placement module coupled to the system and being configured to deposit the continuous filament material. The placement module includes a guide for guiding the material to the part and an ultrasonic compaction device (160) for compacting the material as it is being deposited from the placement module. The compaction device includes an ultrasonic driver, an attachment member and a plurality of ultrasonic horns (166) independently coupled to the attachment member and being movable independent of each other. The plurality of ultrasonic horns are ultrasonically vibrated to melt or flow the material and cause the material to fuse and be compacted to the tool or substrate.
B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
41.
ULTRASONIC CONSOLIDATION OF CONTINUOUS FILAMENT MATERIALS FOR ADDITIVE MANUFACTURING
A continuous filament additive manufacturing machine (10) for building a part by laying down a continuous mono-filament or composite filament material layer by layer on a tool or substrate. The machine includes a system, such as a robot (12), operable to move in at least three degrees of freedom, and a placement module (60) coupled to the system and being configured to deposit the continuous filament material. The placement module includes a guide (64) for guiding the material to the part, a heat source (72) for pre-heating the material as it is being deposited from the placement module and a compaction device (76) for compacting the material as it is being deposited from the placement module. The compaction device includes an ultrasonic horn (84) that is ultrasonically vibrated to melt or flow the material and cause the material to fuse and be compacted to the tool or substrate.
B29C 70/38 - Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
42.
ULTRASONIC COMPACTION DEVICE USING RECIPROCATING DISK HORNS
A continuous filament additive manufacturing machine for building a part by laying down a continuous mono-filament or composite filament material layer by layer on a tool or substrate. The machine includes a system, such as a robot (12), operable to move in at least three degrees of freedom, and a placement module (60) coupled to the system and being configured to deposit the continuous filament material. The placement module (60) includes a guide (64) for guiding the material to the part, an ultrasonic compaction device (76) including an ultrasonic driver, an attachment frame and an ultrasonic disk horn coupled to the attachment frame. The ultrasonic driver is coupled to the disk horn (84) and ultrasonically vibrates the horn in a reciprocating manner to melt or flow the material and cause the material to fuse and be compacted to the tool or substrate.
B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
43.
ULTRASONIC MATERIAL PLACEMENT AND COMPACTION DEVICE WITH MATERIAL PASSING THROUGH THE ULTRASONIC HORN ELEMENT
A continuous filament additive manufacturing machine (10) for building a part (66) by laying down a continuous mono-filament or composite filament material layer by layer on a tool (68) or substrate. The machine includes a system, such as a robot (12), operable to move in three degrees of freedom, and a placement module (100) coupled to the system and being configured to deposit the continuous filament material. The placement module (100) includes a guide (64) for guiding the material to the part and an ultrasonic compaction device (102) for compacting the material as it is being deposited from the placement module (100). The compaction device includes an ultrasonic horn (104) having at least one guide hole (106) through which the material passes before it is laid down and compacted. The ultrasonic horn (104) is ultrasonically vibrated to melt or flow the material and cause the material to fuse and be compacted to the tool or substrate.
B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
44.
INLET MANIFOLD FOR A LAMINAR GAS FLOW IN A LASER POWDER BED FUSION SYSTEM
An inlet manifold is for use in a laser powder bed fusion system having a build platform for carrying a powder bed and a pump or blower for supplying a gas flow in a direction relative to a surface of the build platform. The inlet manifold is made of a gas flow guide structure having a gas flow inlet to receive the gas flow and being comprised of a plurality of stacked gas flow guides, each being defined by top and bottom guide plates oriented downwards at an angle A relative to the direction of the gas flow for guiding the gas flow downwards towards a gas flow outlet. At least some of the top and the bottom guide plates have upwardly curved ends at the gas flow outlet to redirect the gas flow to be substantially parallel to the surface of the build platform.
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
In some examples, design parameter data for an object can be received based on user input. A set of design criteria for the object can be received based on the design parameter data. A search of a learned design virtual reality (VR) database can be implemented to identify a set of candidate designs for the object based on the set of design criteria. The learned design VR database can include a plurality of previously determined designs for the object. Each candidate design for the object can be simulated in a simulation environment based on a learned design simulation database and optimization criteria to identify at least one new design for the object. A ranked design list can be generated ranking each candidate design and the at least one new design for the object based on ranking criteria.
G06F 30/12 - Geometric CAD characterised by design entry means specially adapted for CAD, e.g. graphical user interfaces [GUI] specially adapted for CAD
G06F 30/15 - Vehicle, aircraft or watercraft design
G06F 30/27 - Design optimisation, verification or simulation using machine learning, e.g. artificial intelligence, neural networks, support vector machines [SVM] or training a model
A containerized cross-domain solution (CDS) is disclosed herein. In some examples, a first network interface container can be executed on a server to run a first network interface application to receive a data packet that includes data generated by a first process executing at a first security domain. A filter container can be executed on the server to run a data filter to evaluate a data content of the data to determine whether the data content violates a set of data rules. A second network interface container can be executed on the server to run a second network interface application. The data packet can be provided to the second network interface application in response to determining that the data content does not violates the set of data rules. The second network interface application can provide the data packet to a second security domain for a second process executing therein.
An apparatus for reducing thermal blooming in an optical subsystem of a high energy laser (HEL) comprises a fluid pump that receives a first fluid containing diatomic oxygen at a first concentration and a combustion chamber that combusts the first fluid to develop a second fluid containing diatomic oxygen at a second concentration, wherein the second concentration is less than the first concentration, and wherein the second fluid is supplied to the optical subsystem of the HEL. A method of operating an HEL having an optical subsystem is also disclosed.
A system for controlling access to data based on environmental verification can include a physical environment authenticator that receives data characterizing environmental parameters of a node in an environment from a set of environmental sensors. The physical environment authenticator can compare correlated environmental parameters with each other and/or a threshold value. At least a subset of the correlated environmental parameters are based on the data from the set of environmental sensors and grants access to a data if the correlated environmental parameters indicate that the node is operating in an authorized environment and prevents access to the data if the correlated environmental parameters indicates that the node is not operating in an authorized environment.
An electrical connector system includes a first connector comprising first contacts and a plurality of contact guides associated with the respective first contacts. The system also includes a second connector comprising second contacts configured to slide between a respective one of the contact guides and a respective one of the first contacts in response to joining the first and second connectors as a mated pair. Each respective contact guide provides contact pressure to a first surface of the respective one of the second contacts to provide a biasing force of the second contact onto the first contact to electrically couple a second surface of the respective one of the second contacts opposite the first side to an adjoining surface of the respective one of the first contacts to conduct a signal between the respective one of each of the first and second contacts.
H01R 13/629 - Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure
H01R 13/639 - Additional means for holding or locking coupling parts together after engagement
H01R 24/38 - Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
50.
METHODS OF FORMING A MANDREL FOR FORMING COMPOSITE STRUCTURES, METHODS OF FORMING COMPOSITE STRUCTURES, AND RELATED TOOLS
A tool for forming a composite structure may include two or more segments (102,104) formed from a polymer material. The tool may further include a crush insert (106) disposed between the two or more segments. The tool may also include a support shaft coupled between the two or more segments. A method of forming a mandrel may include forming segments of the mandrel through an additive manufacturing process. The method may further include assembling the segments relative to one another. The method may also include positioning a crush insert between each of the segments. A method of fabricating a composite structure is also disclosed.
B33Y 80/00 - Products made by additive manufacturing
B29C 33/48 - SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING - Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with means for collapsing or disassembling
A microelectronics H -frame device includes: a stack of two or more substrates wherein the substrate stack comprises a top substrate and a bottom substrate, wherein bonding of the top substrate to the bottom substrate creates a vertical electrical connection between the top substrate and the bottom substrate, wherein the top surface of the top substrate comprises top substrate top metallization, wherein the bottom surface of the bottom substrate comprises bottom substrate bottom metallization; mid-substrate metallization located between the top substrate and the bottom substrate; a micro- machined top cover bonded to a top side of the substrate stack; and a micro-machined bottom cover bonded to a bottom side of the substrate stack.
H01L 23/04 - Containers; Seals characterised by the shape
H01L 23/06 - Containers; Seals characterised by the material of the container or its electrical properties
H01L 23/10 - Containers; Seals characterised by the material or arrangement of seals between parts, e.g. between cap and base of the container or between leads and walls of the container
H01L 23/14 - Mountings, e.g. non-detachable insulating substrates characterised by the material or its electrical properties
H01L 23/544 - Marks applied to semiconductor devices, e.g. registration marks, test patterns
H01L 23/552 - Protection against radiation, e.g. light
A microelectronics H-frame device comprising an RF crossover includes: a stack of two or more substrates, wherein a bottom surface of a top substrate comprises top substrate bottom metallization, and wherein a top surface of a bottom substrate comprises bottom substrate top metallization, wherein the top substrate bottom metallization and the bottom substrate top metallization form a ground plane that provides isolation to allow a first signal line to traverse one or more of the top substrate and the bottom substrate without being disturbed by a second signal line traversing one or more of the top substrate and the bottom substrate at a non-zero angle relative to the first signal line, at least one of the first signal line and the second signal line passing to a second level with the protection of the ground plane, thereby providing isolation from the other signal line.
A code development engine can be programmed to evaluate build code that can be representative of program code at an instance of time during or after a software development of the program code to identify and correct coding errors in the build code. A code run-time simulation engine can be programmed to simulate the build code in a modeled program code environment for the program code to identify and correct coding failures in the build code. A build code output module can be programmed to evaluate the build code to determine whether the build code is acceptable for use in a program code environment based on a level of acceptable risk for the build code in response to the coding error and/or coding failure being corrected in the build code.
One example includes a switch system. The system includes a first signal port and a second signal port. The system also includes a first switching path arranged between the first and second signal ports. The first switching path includes at least one first switch and at least one of the at least one first switch being configured as a high-speed switching device. The system further includes a second switching path arranged between the first and second signal ports in parallel with the first switching path. The second switching path includes at least one second switch and at least one of the at least one second switch being configured as a high performance switching device.
H03K 17/0416 - Modifications for accelerating switching without feedback from the output circuit to the control circuit by measures taken in the output circuit
H01L 45/00 - Solid state devices specially adapted for rectifying, amplifying, oscillating, or switching without a potential-jump barrier or surface barrier, e.g. dielectric triodes; Ovshinsky-effect devices; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof
H01P 1/10 - Auxiliary devices for switching or interrupting
H03K 17/06 - Modifications for ensuring a fully conducting state
Systems and methods are described herein for determining an optimized flight route for an aerial vehicle. In some examples, weather conditions for the aerial vehicle during a flight can be predicted based on weather data. At least two flight route segments based on the predicted weather data can be determined. The at least two flight route segments can include one of a solar flight route segment and a thermal flight route segment. A respective flight route segment of the at least two flight route segments can be discarded that can cause the aerial vehicle to violate a flight constraint. A replacement flight route segment for the respective discarded flight route segment can be determined. An optimized flight route for the aerial vehicle can be generated based on the replacement flight route segment and at least one remaining flight route segment of the at least two flight route segments.
G01S 13/95 - Radar or analogous systems, specially adapted for specific applications for meteorological use
56.
HIGH-PERFORMANCE OPTICAL ABSORBER COMPRISING FUNCTIONALIZED, NON-WOVEN, CNT SHEET AND TEXTURIZED POLYMER FILM OR TEXTURIZED POLYMER COATING AND MANUFACTURING METHOD THEREOF
A high-performance optical absorber (100) includes: a texturized (130A-130D) base layer (110), the base layer comprising one or more of a polymer film and a polymer coating; and a surface layer (120) located above and immediately adjacent to the base layer, the surface layer joined to the base layer, the surface layer comprising a plasma-functionalized, non-woven carbon nanotube (CNT) sheet. A method using capillary force lamination (CFL) for manufacturing a high-performance optical absorber (100), includes: texturizing a base layer (110) of the high-performance optical absorber, the base layer comprising one or more of a polymer film and a polymer coating; joining a surface layer (120) of the high-performance optical absorber to the base layer, the surface layer comprising a non-woven carbon nanotube (CNT) sheet; wetting the joined surface layer and base layer with a solvent; drying the joined surface layer and base layer; and treating the resulting base layer with plasma, creating the high- performance optical absorber.
In an example, a system can include a web service interface (WSI) and a service directory for enabling communication between a web and non-web service. The WSI can be configured to communicate with the non-web service to receive reader data and/or writer data. The service directory can be configured to provide the WSI with non-web service subscriber data and/or nonweb service publisher data for the non-web service in response to receiving the reader and/or writer data. The non-web service subscriber data identifies a web service as a subscriber of data provided by the non-web service and the non-web service publisher data identifies the web service as a publisher of data from which the non-web service is enabled to retrieve data. The WSI can be configured to provide the web service subscriber and/or publisher data to the nonweb service to enable the non-web service to communicate with the web service.
HIGH-PERFORMANCE OPTICAL ABSORBER COMPRISING FUNCTIONALIZED, NON-WOVEN, CNT SHEET AND TEXTURIZED POLYMER FILM OR TEXTURIZED POLYMER COATING AND MANUFACTURING METHOD THEREOF
A high-performance optical absorber (100), having a texturized base layer (110), the base layer comprising one or more of a polymer film and a polymer coating; and a surface layer (120) located above and immediately adjacent to the base layer. The surface layer is joined to the base layer and the surface layer has a plasma-functionalized, non-woven carbon nanotube (CNT) sheet, wherein the base layer texturization comprises one or more of substantially rectangular ridges (130A-130D), substantially triangular ridges (350A-350D), substantially pyramidal ridges (360A-360Z), and truncated, substantially pyramidal ridges (380A-380O).
A solar array may include a first rigid composite solar panel including solar cells secured to a first substrate. The solar array may further include a second rigid composite solar panel including solar cells secured to a second substrate. The solar array may also include solar panel modules including solar cells secured to a flexible sheet of material. The solar panel modules may be coupled between the first composite solar panel and the second composite solar panel. The solar array may be configured to be retained in a stowed arrangement with the solar panel modules between the first rigid composite solar panel and the second rigid composite solar panel. The solar array further configured to be extended with an extendable arm until each of the first rigid composite solar panel, the second rigid composite solar panel and the solar panel modules are arranged in a substantially straight line
One embodiment includes an electrometer system. The system includes a sensor cell comprising alkali metal atoms within, and a probe laser configured to generate a probe beam, the probe beam being provided through the sensor cell. The system also includes a coupling laser configured to generate a coupling beam. The coupling beam can be provided through the sensor cell to combine with the probe beam provided through the sensor cell to provide a Rydberg energy state of the alkali metal atoms, the probe beam exiting the sensor cell as a detection beam. The system further includes a sensor control system configured to monitor the detection beam to detect an external signal based on monitoring a phase of the detection beam.
One embodiment includes a vapor cell for an atomic physics-based sensor system. The vapor cell includes a cell wall formed from an approximately transparent material. The cell wall can enclose an alkali metal vapor and can include an inner surface and an outer surface. The vapor cell can also include at least one structural feature provided on at least one of the inner surface and the outer surface of the cell wall and extending along a portion of the respective at least one of the inner surface and the outer surface.
G01R 33/26 - Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux using optical pumping
G01R 33/00 - Arrangements or instruments for measuring magnetic variables
G01R 33/02 - Measuring direction or magnitude of magnetic fields or magnetic flux
G01R 33/54 - Signal processing systems, e.g. using pulse sequences
62.
PROCESS FOR REINFORCING CONTINUOUS FIBER ADDITIVELY MANUFACTURED LAMINATES
A method for fabricating a composite part (90) using a 3D printing machine (10). The method includes forming the part (90) by depositing a plurality of part layers (82) in a consecutive manner on top of each other where each layer is deposited by laying down rows of filaments made of a thermoplastic composite material. Reinforcing Z-pins (74) are then inserted through the part layers to provide reinforcement of the part in the Z-direction. A plurality of additional part layers are deposited in a consecutive manner on top of each other on the part layers including the reinforcing Z-pins where each additional part layer is also deposited by laying down rows of filaments made of a thermoplastic composite material. Reinforcing Z-pins are also inserted through the additional part layers to provide reinforcement of the part in the Z-direction.
B29C 70/24 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in at least three directions forming a three dimensional structure
B29C 70/38 - Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
B33Y 70/00 - Materials specially adapted for additive manufacturing
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
An RF summer circuit (20) comprises first and second ports (P1, P2) coupled by first and second resistances (R1, R2), respectively, to a junction (22). The RF summer circuit further comprises a series combination of a third resistance (R3) with a switch (S3), and an amplifier (U1), wherein the series combination is coupled across the the amplifier (U1) between the junction (22) and a third port (P3). Further, when the switch (S3) is moved to the closed position and the amplifier (Ul) is switched to the off state a passive mode of operation is implemented and when the switch is moved to the open position and the amplifier (Ul) is switched to the on state an active mode of operation is implemented. The RF summer circuit develops a summed signal at the third port (P3) equal to a sum of signals at the first and second ports (P1, P2).
One embodiment includes an electrometer system. The system includes a sensor cell comprising alkali metal atoms within, and an optical beam system configured to provide at least one optical beam through the sensor cell to provide a first Rydberg energy state of the alkali metal atoms, the at least one optical beam exiting the sensor cell as a detection beam. The system also includes a tuning signal generator configured to generate a tuning signal having a predetermined tuning frequency to adjust an energy difference between the first Rydberg energy state and a second Rydberg energy state of the alkali metal atoms. The system further includes a detection system configured to monitor the detection beam to detect an external signal having a frequency that is approximately equal to the energy difference between the first Rydberg energy state and the second Rydberg energy state based on monitoring the detection beam.
A system and method for calculating worst case execution times for actions in a process that is partitioned into a number of sub-processes that perform certain ones of the actions and operate on their own partition schedule independent of the other partitions. The method includes providing a unified modeling language (UML) activity diagram including the actions in the process, identifying each action in the diagram, determining each possible processing path for the actions in the process, assigning each action in each path to one of the sub-processes in the partitions, determining the time that each action will take through each path based on the partition schedule, and integrating the times for performing the actions in each of the paths. The method reports a longest time for performing the process along each path based on the integration of the times.
An optical communications system including two communications terminals in communication with each other using optical signals having the same wavelength. Both terminals include a half-wave plate polarizer for rotating linearly polarized optical signals and a quarter-wave plate polarizer for circularly polarizing the optical signals. The quarter-wave plate polarizers are oriented 90° relative to each other so that circularly polarized optical signals sent from one terminal to the other terminal are linearly polarized 90° relative to a transmission polarization orientation to be separable from the transmitted optical signals by a beam splitter.
A system and method for storing and recovering a computer file. The method includes calculating fingerprint data of the file, separating the file into a plurality of data sub-files each having the same size and a single data sub-file having a smaller size than the other data sub-files, and attaching file metadata to the single data sub-file or as a metadata sub-file. The method also includes padding the single data sub-file including the metadata so that it is the same size as the plurality of data sub-files or the metadata sub-file so that it is the same size as the plurality of data sub-files, adding a header to each data sub- file that includes information about the sub-file, assigning a unique filename to each data sub-file, encrypting each data sub-file, and storing each data sub-file as separate files under their unique filename.
An optical assembly (10) including a plurality of metamirrors (12), where each metamirror includes a substrate (20), a reflective layer (22) formed to the substrate (20), an array of optical metaelements (24) extending from the reflective layer (22) and an array (34) of micro-actuators (36) coupled to the substrate (20) opposite to the reflective layer (22). The combination of the micro-actuators (36) are controlled to control the orientation and bending of the m eta mirrors (12) to set how the metaelements (24) focus a light beam that is reflected off of the reflective layers (22).
G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
69.
SYSTEMS AND METHODS FOR MANEUVERING AN AERIAL VEHICLE DURING ADVERSE WEATHER CONDITIONS
A machine learning maneuver model can be programmed to generate maneuver data identifying a plurality of flight paths for maneuvering an aerial vehicle through an adverse weather condition and a flight path confidence score for each flight path of the plurality of flight paths based on at least weather sensor data characterizing the adverse weather condition. The flight path confidence score can be indicative of a probability of successfully maneuvering the aerial vehicle through the adverse weather condition according to a respective flight path. A maneuver decision engine can be programmed to evaluate each flight path confidence score for each flight path relative to a flight path confidence threshold to identify a given flight path of the plurality of flight paths through the adverse weather condition that poses a least amount of structural risk to the aerial vehicle.
In some examples, systems and methods are described for output biasing maneuvers recommendations provided by at least one machine learning maneuver recommendation (MLM) engine executing on an aerial vehicle. In some examples, output biasing data can be received that includes at least one risk tuning parameter that can influence which of the maneuver recommendations are selected by a maneuver decision engine executing on the aerial vehicle based on a maneuver confidence threshold for implementation by the aerial vehicle. The maneuver confidence threshold can be updated based on the at least one risk tuning parameter to provide an updated maneuver confidence threshold for the output biasing of the maneuvers recommendation provided by the at least one MLM engine. Vehicle command data for implementing a given maneuver recommendation can be outputted based on an evaluation of the updated maneuver confidence threshold.
Systems and methods for machine-learning-based aircraft (102) icing (204, 212, 222) prediction use supervised and unsupervised learning (328) to process real-time environmental data, such as onboard measurements of outside air temperature and dew point (222), to predict a risk of icing (204, 212, 222) and determine whether to issue an icing (204, 212, 222) risk alert (312) to an onboard crew member or a remote operator, and/or to recommend an icing avoidance maneuver (214). The systems and methods can use reinforcement learning (512) to generate a confidence metric in the predicted risk of icing (204, 212, 222), to determine a time or distance to predicting icing (204, 212, 222), and/or to not issue an alert (312) or recommend a maneuver (214) in consideration of historical data in a "library of learning" and/or other flight (202) data such as airspeed, altitude, time of year, and weather conditions. The predictive systems and methods are low-cost and low-power, do not require onboard weather radar, and can be effective for use in smaller aircraft (102) that are completely icing-intolerant.
An integrated circuit assembly including an integrated circuit formed on one side of a substrate and a thermal spreading layer composed of a silver ink directly printed on an opposite side of the substrate from the integrated circuit, where the thermal spreading layer removes heat generated by the integrated circuit. The assembly also includes a heat sink thermally attached to the thermal spreading layer opposite to the substrate, where the heat sink is attached to the thermal spreading layer by printing the same material on the heat sink as the thermal spreading layer and pressing the spreading layer to the heat sink.
H01L 21/48 - Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the groups
H01L 23/373 - Cooling facilitated by selection of materials for the device
H01L 23/42 - Fillings or auxiliary members in containers selected or arranged to facilitate heating or cooling
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
73.
METHOD FOR OPERATING A DIGITAL SYSTEM AND DIGITAL SYSTEM INCORPORATING SUCH METHOD
A method of operating a digital system operable in multiple operational states having a digital resource and an event detector that detects events of the digital resource comprises the steps of determining an operational mode of at least one of the system and the digital resource in effect during an interval and accumulating a number of events that occur during the interval. The method further includes the steps of comparing accumulated events against at least one threshold associated with the operational mode and implementing at least one of isolationist, limiting, and corrective action if the comparison indicates an out-of-nominal operation of the digital resource, A digital system incorporating the method is also disclosed.
G06F 21/55 - Detecting local intrusion or implementing counter-measures
G06F 21/76 - Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information in application-specific integrated circuits [ASIC] or field-programmable devices, e.g. field-programmable gate arrays [FPGA] or programmable logic devices [PLD]
A beam combiner array assembly including an array block having a back wall and a front surface and a plurality of aligned and sealed channels extending from the back wall to the front surface. A lens array including a plurality of lenses is secured to the front surface of the block so that one of the lenses is aligned with each channel, and a plurality of fiber flanges are secured to the back wall of the block so that a separate one of the flanges is aligned with each channel. A hollow core fiber extends through each flange and the back wall so that an end of the fiber is positioned within one of the channels. A beam that propagates down each fiber is emitted into the channel, focused by the lens and emitted from the assembly as a collimated beam.
G02B 6/42 - Coupling light guides with opto-electronic elements
G02B 6/32 - Optical coupling means having lens focusing means
G02B 6/04 - Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres
G02B 27/09 - Beam shaping, e.g. changing the cross-sectioned area, not otherwise provided for
H01S 3/00 - Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
A method for assembling a beam combiner array including providing an array block having a back wall, a front surface and a plurality of aligned channels extending from the back wall to the front surface, where a bore extends through the back wall and into each channel, and providing a lens array including a plurality of lenses. The method further includes securing the lens array to the front surface of the block so that one of the lenses is aligned with each channel and threading a separate hollow core fiber through one of the bores in the back wall so that an end of the fiber is positioned within the channel. The method also includes aligning each fiber to the lens array so that a beam that propagates down the fiber is emitted into the channel, focused by the lens and emitted from the array as a collimated beam.
G02B 6/04 - Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres
G02B 6/32 - Optical coupling means having lens focusing means
G02B 6/42 - Coupling light guides with opto-electronic elements
G02B 27/09 - Beam shaping, e.g. changing the cross-sectioned area, not otherwise provided for
H01S 3/00 - Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
A flexible solar array for extraterrestrial deployment and a method of manufacturing such a flexible solar array are disclosed. A power generating layer, a durable layer, and an ultraviolet radiation blocking layer are disposed such that durable layer is between the power generating layer and the ultraviolet radiation blocking layer.
A ground-based computing system receives data of performance parameters for like components disposed on like aircraft, and determines corresponding levels of degradation and rates of change of degradation for the respective like components. A fleet-level of degradation for groups of like components is generated based on analysis of the combined degradations of the like components in the respective group. At least one of a remaining useful lifetime (RUL) and a state-of-health (SOH) for each of the respective like components is determined based on a comparison of the levels of degradation for each of the like components and the fleet-level of degradation of the group of like components. A predicted time for maintenance for each like component is determined based on the corresponding at least one of the RUL and SOH of the like component, thereby enabling cost effective maintenance determinations for components based on a fleet- level information.
An exemplary semiconductor technology implemented channelized filter includes a dielectric substrate with semiconductor fabricated metal traces on one surface, and input and output ports. A signal trace connected between the input and output port carries the signal to be filtered. Filter traces connect at intervals along the length of the signal trace to provide a reactance that varies with frequency. Ground traces provide a reference ground. A silicon enclosure with semiconductor fabricated cavities has a metal layer deposited over it. The periphery of the enclosure is dimensioned to engage corresponding ground traces about the periphery of the substrate. Walls of separate cavities enclose each of the filter traces to individually surround each thereby providing electromagnetic field isolation. Metal-to-metal conductive bonds are formed between cavity walls that engage the ground traces to establish a common reference ground. The filter traces preferably meander to minimize the footprint area of the substrate.
A multistage data sniffer instance can include a first stage that scans a given file for a set of data fields based on a configuration file for a selected format of the given file. The multistage data sniffer instance can also include a second stage that evaluates a value in each data filed in the set of data fields for the selected format to determine a validity of values in the set of data fields. The multistage data sniffer instance can further include a third stage that extracts data within the plurality of fields of the given file, aggregates the data based on a predetermined set of rules defined in the configuration file and outputs a data to a data mart database characterizing the aggregated data.
A computer implemented method is described herein for post-execution evaluation of a machine-learning (ML) algorithm. The method an include receiving a post-execution version of the ML algorithm having a plurality of behavioral states. The method can include generating behavior identification data identifying a given behavioral state from the plurality of behavioral states of the ML algorithm. The given behavioral state can correspond to a decision-making state of the ML algorithm that the ML algorithm learned during an execution of the ML algorithm. A graphical user interface (GUI) can be generated based on the behavior identification data that includes a behavior object characterizing the given behavioral state of the ML algorithm. Behavior evaluation data can be generated based on a user's interaction with the behavior object. A learning process of the ML algorithm can be altered for future execution of the ML algorithm based on the behavior evaluation data.
G06F 3/0481 - Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
A diverter/mixing valve is provided that includes a main outer housing and a barrel assembly disposed inside the main outer housing. When actuated, an actuator rotates the barrel assembly between an open end inlet position where a first fluid stream flows into a first inlet port and a second fluid stream is blocked from flowing into a second inlet port, and an open side inlet position where the second fluid stream flows into the second inlet port and the first fluid stream is blocked from flowing into the first inlet port.
F16K 11/076 - Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves; Arrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only sliding valves with pivoted closure members with sealing faces shaped as surfaces of solids of revolution
F16K 5/02 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor
F16K 11/083 - Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves; Arrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only taps or cocks with tapered plug
F16K 11/085 - Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves; Arrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
A system for establishing a mesh network that includes a plurality of nodes of the mesh network, wherein each of the plurality of nodes executes on one or more computing platforms. In response to coming online, each of the plurality of nodes executes an interlock that calculates a grace period for a service executed by a respective software application executing on a respective node of the plurality of nodes. The calculation is based on a previous number of services and topics communicated on the mesh network. The interlock can also reset the grace period in response to detecting a particular network event wherein the interlock prevents the service of the respective software application from communicating messages on the mesh network during a running of the grace period. The interlock can permit, in response to expiration of the grace period, the service of the respective software application to communicate messages.
One example includes an integrated circulator system comprising a junction. The junction includes a first port, a second port, and a third port. The junction also includes a substrate material layer on which the first, second, and third ports are provided. The junction also includes a magnetic material layer coupled to the substrate layer. The junction further includes a resonator coupled to the first, second, and third ports to provide signal transmission from the first port to the second port and from the second port to the third port based on a magnetic field provided by the magnetic material layer.
Apparatus for isolating transmit and receive optical beams having a common wavelength to ensure genderless interoperability in an optical communication system comprises a transmit path that propagates a transmit optical beam at a particular base wavelength and a receive path that propagates a receive optical beam at the same particular base wavelength wherein at least a portion of the receive path is separate from the transmit path. The apparatus further comprises an annular mirror having a receive beam region and a center aperture and the transmit path includes a steering mirror and the receive path also includes the steering mirror. The steering mirror has a single surface that reflects an entirety of the transmit optical beam transmitted along the transmit path and the single surface of the steering mirror reflects an entirety of the receive optical beam received along the receive path. A method of isolating transmit and receive optical beams in an optical communication system is also disclosed.
One example includes a superconducting current control system. The system includes an inductive coupler comprising a load inductor and a control inductor. The inductive coupler can be configured to inductively provide a control current from the control inductor to a superconducting circuit device based on a load current being provided through the load inductor. The system also includes a current control element comprising a superconducting quantum interference device (SQUID) array comprising a plurality of SQUIDs. The current control element can be coupled to the inductive coupler to control an amplitude of the load current through the load inductor, and thus to control an amplitude of the control current to the superconducting circuit device.
G01R 33/035 - Measuring direction or magnitude of magnetic fields or magnetic flux using superconductive devices
G01R 33/12 - Measuring magnetic properties of articles or specimens of solids or fluids
H01L 39/02 - Devices using superconductivity or hyperconductivity; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof - Details
H01L 39/22 - Devices comprising a junction of dissimilar materials, e.g. Josephson-effect devices
H03K 19/195 - Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using superconductive devices
G01R 33/00 - Arrangements or instruments for measuring magnetic variables
A deicing apparatus for aircraft comprises a passive vortex tube (30) adapted to be mounted at a location at or adjacent a component of an aircraft and adapted to heat the component. A deicing method is also disclosed.
Systems and methods are provided for evaluating a maintenance report. A maintenance report is received for an item of modular industrial equipment. The maintenance report includes a maintenance-related code, selected from a defined library of maintenance-related codes, and a free text field describing either or both of an observation of the item of modular equipment that is inconsistent with a defined specification and an action taken to repair or maintain the item of modular industrial equipment. A plurality of features representing the semantic content of a free-text field are extracted, with at least a portion of the plurality of features being extracted via a document embedding approach. At an expert system, a new maintenance-related code is determined from the defined library of maintenance-related codes for the item of modular industrial equipment, from the plurality of features.
Ring packet built-in self-test (PBIST) circuitry configured to detect errors in wires connecting a ring of superconducting chips includes circuitry configured to make the PBIST immune to interchip latency and still allow the PBIST to test a stop-to-stop connection. By making a PBIST independent of latency, an entire ring can be characterized for latency and for its bit-error rate prior to running any functional test. Such systems and associated methods can be scaled to larger platforms having any number of ring stops. The PBIST circuitry can function as either transmitter or receiver, or both, to test an entire ring. The PBIST can also be used to tune clocks in the ring to achieve the lowest overall bit error rate (BER) in the ring.
A high-bandwidth underwater electrical connector is provided that includes first and second connectors each having free space optical transceivers. The electrical connector further includes self-passivating transition metal contacts that form a non-conductive outer layer when immersed in a fluid. The first and second free space optical transceivers transmit and receive data at high data speeds.
Vehicle capture assemblies and related devices, systems, and methods include one or more probe assemblies for passively engaging with and securing the target vehicle.
Vehicle capture assemblies and related devices, systems, and methods include one or more probe assemblies for engaging with and securing the target vehicle. The one or more probe assemblies may include one or more attenuation features or movable joints.
An integrated circuit (50) is provided that comprises a plurality of conductive contact pads (60) on a surface of a first substrate (52), and a dielectric layer (54) overlying the first substrate and the conductive contact pads, which may be coupled to respective qubits (62). A second substrate (56) overlies the dielectric layer, and a plurality of superconducting contacts (58) extend through the second substrate and the dielectric layer such that each superconducting contact is aligned with and in contact with a respective conductive contact pad and may be coupled to a respective resonator (64). Corresponding fabrication methods are disclosed as well.
H01L 27/18 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components exhibiting superconductivity
H01L 25/065 - Assemblies consisting of a plurality of individual semiconductor or other solid state devices all the devices being of a type provided for in the same subgroup of groups , or in a single subclass of , , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
H01L 23/485 - Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads or terminal arrangements consisting of lead-in layers inseparably applied to the semiconductor body consisting of layered constructions comprising conductive layers and insulating layers, e.g. planar contacts
H01L 21/60 - Attaching leads or other conductive members, to be used for carrying current to or from the device in operation
93.
FILTER WITH AN ENCLOSURE HAVING A MICROMACHINED INTERIOR USING SEMICONDUCTOR FABRICATION
An exemplary semiconductor technology implemented microwave filter includes a dielectric substrate with metal traces on one surface that function as frequency selective circuits and reference ground. Other metal traces on the other surface of the substrate also provide reference ground. Bottom and top enclosures that enclose the substrate have respective interior recesses with deposited continuous metal coatings. A plurality of metal bonding bumps or bonding wall extends outwardly from the projecting walls of the bottom and top enclosures. The bonding bumps on the bottom and top enclosures engage reference ground metal traces on respective surfaces of the substrate. As a result of applied pressure, the bonding bumps and respective reference ground metal traces together with the through-substrate vias form a metal-to-metal singly-connected ground reference structure for the entire circuitry.
H01P 1/213 - Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
H01P 11/00 - Apparatus or processes specially adapted for manufacturing waveguides or resonators, lines, or other devices of the waveguide type
H01L 23/04 - Containers; Seals characterised by the shape
H01L 23/10 - Containers; Seals characterised by the material or arrangement of seals between parts, e.g. between cap and base of the container or between leads and walls of the container
One example includes a superconducting latch system (50). The system includes a first input stage (52) configured to receive a first input pulse and a second input stage (54) configured to receive a second input pulse. The system also includes a storage loop (60) configured to switch from a first state to a second state in response to receiving the first input pulse, and to switch from the second state to the first state in response to the second input pulse. The first state corresponds to no flux in the storage loop and the second state corresponds to a flux in the storage loop. The system further includes an output stage (62) configured to generate an output pulse (PLSout) in the second state of the storage loop.
H03K 3/38 - Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of superconductive devices
H03K 19/195 - Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using superconductive devices
95.
UAVS FOR MONITORING THE INTENSIFICATION OF TROPICAL CYCLONES
A system and method for monitoring the intensification and weakening of tropical cyclones, including tropical storms and hurricanes. The method includes flying a UAV above the tropical cyclone for an extended period of time and detecting transitions in structure. Intensification to hurricane stage is indicated by core structure transition of the tropical cyclone to include the presence of an eye within an eyewall. The UAV can be a Global Hawk aircraft and include a number of sensors and detectors, such as a camera for providing images of the tropical cyclone, an infrared detector for detecting temperature changes in the eye structure, a radar detector for detecting wind magnitude and direction in the tropical cyclone, dropsonde sensors for measuring temperature, pressure, humidity, and wind speed/direction in the tropical cyclone, etc. The UAV can relay the vortex parameter data in real time to a satellite for subsequent downlinking to receiving stations.
A release mechanism (12) for releasably securing a releasable structure (14) to a stationary structure (16), where the mechanism (12) employs release balls (30) that can re-secure the releasable structure (14) to the stationary structure (16). The release mechanism (12) includes a base portion (50) having three rails (70) extending radially outward from a center of the base portion (50), and a rotatable portion (52) rotatably mounted to the base portion (50), where the rotatable portion (52) has a cam indentation (72). The release balls (42) are positioned between the base portion (50) and the rotatable portion (52) so that one of the release balls (42) is ridable on each of the rails (70) and all of the release balls (42) are positioned within the cam indentation (72). The cam indentation (72) is configured so that as the rotatable portion (52) is rotated relative to the base portion (50) the cam indentation (72) causes and allows the release balls (42) to move along the rails (70) in unison with each other to hold and release the releasable structure (14).
F16B 21/02 - Releasable fastening devices locking by rotation
F16B 21/16 - Means without screw-thread for preventing relative axial movement of a pin, spigot, shaft, or the like and a member surrounding it; Stud-and-socket releasable fastenings without screw-thread by separate parts with grooves or notches in the pin or shaft
97.
REDUCED COMPLEXITY IN GENERATING CHAOTIC SEQUENCES FOR COMMUNICATION SYSTEMS USING SUB-SAMPLING TECHNIQUES
A sub-sampling system that is part of a modulator in a transmitter employing a chaos based architecture and including a symbol mapper and a chaos generator. The system includes M-number of channels each receiving a sequence of chaos samples from the generator and a delay device in all of the channels except one that delay the chaos samples at different delay times. The system also includes a sub-sampler in all of the channels that receive the delayed samples, where each sub-sampler outputs every predetermined one of the chaos samples and a register in each channel each storing a predetermined number of the sub-sampled chaos samples. A selection switch responsive to the stored sub-sampled chaos samples from the registers, where the selection switch is responsive to a selection signal from the symbol mapper that selects one of the registers to output the sequences of stored sub-sampled chaos samples from the system.
An all-digital spread-spectrum type communications system employing chaotic symbol modulation. The system includes a transmitter having a symbol mapper that converts a series of information bits to a series of bit symbols, a digital chaos modulator employing an M-ary chaotic shift keying (M-CSK) architecture for chaotically spreading the bit symbols in the digital domain, where the chaos modulator includes a separate chaos generator for each of the M-CSK symbols, and a digital-to-analog converter (DAC) for converting the chaotic modulated bit symbols to an analog signal for transmission. The system also includes a receiver responsive to the analog signal from the transmitter and generating a received signal therefrom. The receiver performs signal acquisition and tracking on the received signal using a look-up table, a transmitter ID and a receiver ID in the received signal, de¬ spreading and de-modulation on the received signal and bit removal from the symbols in the received signal.
An aerial vehicle includes a body and an antenna assembly mounted to the body. The antenna assembly includes a fairing component comprising a hollow body, a conductive coating formed on at least an inner surface of the fairing component, a plurality of antenna elements formed in the conductive coating, each antenna element including a first slot line defining a first transmission line and a second slot line defining a second transmission line, an insulator sleeve disposed within the fairing component, wherein an outer surface of the insulator sleeve at least substantially matches an inner surface of the fairing component, and a plurality of cable assemblies operably coupled to the plurality of antenna elements, wherein each cable assembly is coupled to a respective antenna element.
H01Q 21/20 - Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along, or adjacent to, a curvilinear path
H01R 24/40 - Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
F42B 15/34 - Protection against overheating or radiation, e.g. heat shields; Additional cooling arrangements
H01Q 1/02 - Arrangements for de-icing; Arrangements for drying-out
A reciprocal quantum logic (RQL) wave-pipeline logic (WPL) inverting gate includes a Josephson junction-based comparator that corrects a design weakness present in other RQL WPL inverting gates that can lead to the propagation of glitches under certain timing conditions. With selective placement of pulse generators at the inputs, the RQL WPL inverting gate can be used to construct A AND (B XOR C) gates, XOR gates, NOT gates, and A-AND-NOT-B gates.
H03K 19/195 - Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using superconductive devices
patents
