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G01S 1/00
|
Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith |
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G01S 1/02
|
Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves |
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G01S 1/04
|
Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves - Details |
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G01S 1/06
|
Means for providing multiple indication, e.g. coarse and fine indications |
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G01S 1/08
|
Systems for determining direction or position line |
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G01S 1/10
|
Systems for determining direction or position line using amplitude comparison of signals transmitted sequentially from antennas or antenna systems having differently-oriented overlapping directivity-characteristics, e.g. equi-signal A-N type |
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G01S 1/12
|
Systems for determining direction or position line using amplitude comparison of signals transmitted sequentially from antennas or antenna systems having differently-oriented overlapping directivity-characteristics, e.g. equi-signal A-N type the signals being transmitted sequentially from an antenna or antenna system having the orientation of its directivity characteristic periodically varied, e.g. by means of sequentially effective reflectors |
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G01S 1/14
|
Systems for determining direction or position line using amplitude comparison of signals transmitted simultaneously from antennas or antenna systems having differently-oriented overlapping directivity-characteristics |
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G01S 1/16
|
Azimuthal guidance systems, e.g. system for defining aircraft approach path, localiser system |
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G01S 1/18
|
Elevational guidance systems, e.g. system for defining aircraft glide path |
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G01S 1/20
|
Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems |
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G01S 1/22
|
Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being frequency modulations on carrier waves and the transit times being compared by measuring difference of instantaneous frequencies of received carrier waves |
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G01S 1/24
|
Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being pulses or equivalent modulations on carrier waves and the transit times being compared by measuring the difference in arrival time of a significant part of the modulations |
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G01S 1/26
|
Systems in which pulses or time-base signals are generated locally at the receiver and brought into predetermined time-relationship with received signals, e.g. pulse duration coincides with time interval between arrival of significant part of modulat |
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G01S 1/28
|
Systems in which pulses or time-base signals are generated locally at the receiver and brought into predetermined time-relationship with received signals, e.g. pulse duration coincides with time interval between arrival of significant part of modulat wherein the predetermined time-relationship is maintained automatically |
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G01S 1/30
|
Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being continuous waves or intermittent trains of continuous waves, the intermittency not being for the purpose of determining direction or position line and the transit times being compared by measuring the phase difference |
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G01S 1/32
|
Systems in which the signals received, with or without amplification, or signals derived therefrom, are compared in phase directly |
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G01S 1/34
|
Systems in which first and second synchronised signals are transmitted from both antennas or antenna systems and a beat frequency, obtained by heterodyning the first signals with each other is compared in phase with a beat frequency obtained by heter |
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G01S 1/36
|
Systems in which a beat frequency, obtained by heterodyning the synchronised signals, is compared in phase with a reference signal having a phase substantially independent of direction |
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G01S 1/38
|
Systems for determining direction or position line using comparison of [1] the phase of the envelope of the change of frequency, due to Doppler effect, of the signal transmitted by an antenna moving, or appearing to move, in a cyclic path with [2] the phase of a reference signal, the frequency of thi |
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G01S 1/40
|
Systems for determining direction or position line using comparison of [1] the phase of the envelope of the change of frequency, due to Doppler effect, of the signal transmitted by an antenna moving, or appearing to move, in a cyclic path with [2] the phase of a reference signal, the frequency of thi the apparent movement of the antenna being produced by cyclic sequential energisation of fixed antennas |
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G01S 1/42
|
Conical-scan beam beacons transmitting signals which indicate at a mobile receiver any displacement of the receiver from the conical-scan axis, e.g. for "beam-riding" missile control |
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G01S 1/44
|
Rotating or oscillating beam beacons defining directions in the plane of rotation or oscillation |
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G01S 1/46
|
Broad-beam systems producing at a receiver a substantially continuous sinusoidal envelope signal of the carrier wave of the beam, the phase angle of which is dependent upon the angle between the direction of the receiver from the beacon and a referen |
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G01S 1/48
|
Broad-beam systems producing at a receiver a substantially continuous sinusoidal envelope signal of the carrier wave of the beam, the phase angle of which is dependent upon the angle between the direction of the receiver from the beacon and a referen wherein the phase angle of the direction-dependent envelope signal is a multiple of the direction angle, e.g. for "fine" bearing indication |
|
G01S 1/50
|
Broad-beam systems producing at a receiver a substantially continuous sinusoidal envelope signal of the carrier wave of the beam, the phase angle of which is dependent upon the angle between the direction of the receiver from the beacon and a referen wherein the phase angle of the direction-dependent envelope signal is compared with a non-direction- dependent reference signal |
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G01S 1/52
|
Broad-beam systems producing at a receiver a substantially continuous sinusoidal envelope signal of the carrier wave of the beam, the phase angle of which is dependent upon the angle between the direction of the receiver from the beacon and a referen wherein the phase angles of a plurality of direction-dependent envelope signals produced by a plurality of beams rotating at different speeds or in different directions are compared |
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G01S 1/54
|
Narrow-beam systems producing at a receiver a pulse-type envelope signal of the carrier wave of the beam, the timing of which is dependent upon the angle between the direction of the receiver from the beacon and a reference direction from the beacon; Overlapping broad beam systems defining a narrow zone and producing at a receiver a pulse-type envelope signal of the carrier wave of the beam, the timing of which is dependent upon the angle between the direction of the receiver from the beacon and |
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G01S 1/56
|
Timing the pulse-type envelope signals derived by reception of beam |
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G01S 1/58
|
Narrow-beam systems producing at a receiver a pulse-type envelope signal of the carrier wave of the beam, the timing of which is dependent upon the angle between the direction of the receiver from the beacon and a reference direction from the beacon; Overlapping broad beam systems defining a narrow zone and producing at a receiver a pulse-type envelope signal of the carrier wave of the beam, the timing of which is dependent upon the angle between the direction of the receiver from the beacon and wherein a characteristic of the beam transmitted or of an auxiliary signal is varied in time synchronously with rotation or oscillation of the beam |
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G01S 1/60
|
Varying frequency of beam signal or of auxiliary signal |
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G01S 1/62
|
Varying phase-relationship between beam and auxiliary signal |
|
G01S 1/64
|
Varying pulse timing, e.g. varying interval between pulses radiated in pairs |
|
G01S 1/66
|
Superimposing direction-indicating intelligence signals, e.g. speech, Morse |
|
G01S 1/68
|
Marker, boundary, call-sign, or like beacons transmitting signals not carrying directional information |
|
G01S 1/70
|
Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using electromagnetic waves other than radio waves |
|
G01S 1/72
|
Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic, or infrasonic waves |
|
G01S 1/74
|
Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic, or infrasonic waves - Details |
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G01S 1/76
|
Systems for determining direction or position line |
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G01S 1/78
|
Systems for determining direction or position line using amplitude comparison of signals transmitted from transducers or transducer systems having differently-oriented characteristics |
|
G01S 1/80
|
Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional transducers or transducer systems spaced apart, i.e. path-difference systems |
|
G01S 1/82
|
Rotating or oscillating beam beacons defining directions in the plane of rotation or oscillation |
|
G01S 3/00
|
Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received |
|
G01S 3/02
|
Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves |
|
G01S 3/04
|
Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves - Details |
|
G01S 3/06
|
Means for increasing effective directivity, e.g. by combining signals having differently-oriented directivity characteristics or by sharpening the envelope waveform of the signal derived from a rotating or oscillating beam antenna |
|
G01S 3/08
|
Means for reducing polarisation errors, e.g. by use of Adcock or spaced loop antenna systems |
|
G01S 3/10
|
Means for reducing or compensating for quadrantal, site, or like errors |
|
G01S 3/12
|
Means for determining sense of direction, e.g. by combining signals from directional antenna or goniometer search coil with those from non-directional antenna |
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G01S 3/14
|
Systems for determining direction or deviation from predetermined direction |
|
G01S 3/16
|
Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived sequentially from receiving antennas or antenna systems having differently-oriented directivity characteristics or from an antenna system having periodically-varied orientation of directivity characterist |
|
G01S 3/18
|
Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived sequentially from receiving antennas or antenna systems having differently-oriented directivity characteristics or from an antenna system having periodically-varied orientation of directivity characterist derived directly from separate directional antennas |
|
G01S 3/20
|
Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived sequentially from receiving antennas or antenna systems having differently-oriented directivity characteristics or from an antenna system having periodically-varied orientation of directivity characterist derived by sampling signal received by an antenna system having periodically-varied orientation of directivity characteristic |
|
G01S 3/22
|
Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived sequentially from receiving antennas or antenna systems having differently-oriented directivity characteristics or from an antenna system having periodically-varied orientation of directivity characterist derived from different combinations of signals from separate antennas, e.g. comparing sum with difference |
|
G01S 3/24
|
Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived sequentially from receiving antennas or antenna systems having differently-oriented directivity characteristics or from an antenna system having periodically-varied orientation of directivity characterist derived from different combinations of signals from separate antennas, e.g. comparing sum with difference the separate antennas comprising one directional antenna and one non-directional antenna, e.g. combination of loop and open antennas producing a reversed cardioid directivity characteristic |
|
G01S 3/26
|
Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived sequentially from receiving antennas or antenna systems having differently-oriented directivity characteristics or from an antenna system having periodically-varied orientation of directivity characterist derived from different combinations of signals from separate antennas, e.g. comparing sum with difference the separate antennas having differently-oriented directivity characteristics |
|
G01S 3/28
|
Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived simultaneously from receiving antennas or antenna systems having differently-oriented directivity characteristics |
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G01S 3/30
|
Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived simultaneously from receiving antennas or antenna systems having differently-oriented directivity characteristics derived directly from separate directional systems |
|
G01S 3/32
|
Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived simultaneously from receiving antennas or antenna systems having differently-oriented directivity characteristics derived from different combinations of signals from separate antennas, e.g. comparing sum with difference |
|
G01S 3/34
|
Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived simultaneously from receiving antennas or antenna systems having differently-oriented directivity characteristics derived from different combinations of signals from separate antennas, e.g. comparing sum with difference the separate antennas comprising one directional antenna and one non-directional antenna, e.g. combination of loop and open antennas producing a reversed cardioid directivity characteristic |
|
G01S 3/36
|
Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived simultaneously from receiving antennas or antenna systems having differently-oriented directivity characteristics derived from different combinations of signals from separate antennas, e.g. comparing sum with difference the separate antennas having differently-oriented directivity characteristics |
|
G01S 3/38
|
Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal |
|
G01S 3/40
|
Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal adjusting orientation of a single directivity characteristic to produce maximum or minimum signal, e.g. rotatable loop antenna or equivalent goniometer system |
|
G01S 3/42
|
Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal the desired condition being maintained automatically |
|
G01S 3/44
|
Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal the adjustment being varied periodically or continuously until it is halted automatically when the desired condition is attained |
|
G01S 3/46
|
Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems |
|
G01S 3/48
|
Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems the waves arriving at the antennas being continuous or intermittent and the phase difference of signals derived therefrom being measured |
|
G01S 3/50
|
Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems the waves arriving at the antennas being pulse modulated and the time difference of their arrival being measured |
|
G01S 3/52
|
Systems for determining direction or deviation from predetermined direction using a receiving antenna moving, or appearing to move, in a cyclic path to produce a Doppler variation of frequency of the received signal |
|
G01S 3/54
|
Systems for determining direction or deviation from predetermined direction using a receiving antenna moving, or appearing to move, in a cyclic path to produce a Doppler variation of frequency of the received signal the apparent movement of the antenna being produced by coupling the receiver cyclically and sequentially to each of several fixed spaced antennas |
|
G01S 3/56
|
Conical-scan beam systems using signals indicative of the deviation of the direction of reception from the scan axis |
|
G01S 3/58
|
Rotating or oscillating beam systems using continuous analysis of received signal for determining direction in the plane of rotation or oscillation or for determining deviation from a predetermined direction in such a plane |
|
G01S 3/60
|
Broad-beam systems producing in the receiver a substantially-sinusoidal envelope signal of the carrier wave of the beam, the phase angle of which is dependent upon the angle between the direction of the transmitter from the receiver and a reference d |
|
G01S 3/62
|
Broad-beam systems producing in the receiver a substantially-sinusoidal envelope signal of the carrier wave of the beam, the phase angle of which is dependent upon the angle between the direction of the transmitter from the receiver and a reference d wherein the phase angle of the signal is indicated by a cathode-ray tube |
|
G01S 3/64
|
Broad-beam systems producing in the receiver a substantially-sinusoidal envelope signal of the carrier wave of the beam, the phase angle of which is dependent upon the angle between the direction of the transmitter from the receiver and a reference d wherein the phase angle of the signal is determined by phase comparison with a reference alternating signal varying in synchronism with the directivity variation |
|
G01S 3/66
|
Narrow-beam systems producing in the receiver a pulse-type envelope signal of the carrier wave of the beam, the timing of which is dependent upon the angle between the direction of the transmitter from the receiver and a reference direction from the ; Overlapping broad-beam systems defining in the receiver a narrow zone and producing a pulse-type envelope signal of the carrier wave of the beam, the timing of which is dependent upon the angle between the direction of the transmitter from the receiv |
|
G01S 3/68
|
Narrow-beam systems producing in the receiver a pulse-type envelope signal of the carrier wave of the beam, the timing of which is dependent upon the angle between the direction of the transmitter from the receiver and a reference direction from the ; Overlapping broad-beam systems defining in the receiver a narrow zone and producing a pulse-type envelope signal of the carrier wave of the beam, the timing of which is dependent upon the angle between the direction of the transmitter from the receiv wherein the timing of the pulse-type envelope signal is indicated by cathode-ray tube |
|
G01S 3/70
|
Narrow-beam systems producing in the receiver a pulse-type envelope signal of the carrier wave of the beam, the timing of which is dependent upon the angle between the direction of the transmitter from the receiver and a reference direction from the ; Overlapping broad-beam systems defining in the receiver a narrow zone and producing a pulse-type envelope signal of the carrier wave of the beam, the timing of which is dependent upon the angle between the direction of the transmitter from the receiv wherein the timing of the pulse-type envelope signal is determined by bringing a locally-generated pulse-type signal into coincidence or other predetermined time-relationship with the envelope signal |
|
G01S 3/72
|
Diversity systems specially adapted for direction-finding |
|
G01S 3/74
|
Multi-channel systems specially adapted for direction-finding, i.e. having a single antenna system capable of giving simultaneous indications of the directions of different signals |
|
G01S 3/78
|
Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using electromagnetic waves other than radio waves |
|
G01S 3/80
|
Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic, or infrasonic waves |
|
G01S 3/82
|
Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic, or infrasonic waves with means for adjusting phase or compensating for time-lag errors |
|
G01S 3/84
|
Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic, or infrasonic waves with indication presented on cathode-ray tubes |
|
G01S 3/86
|
Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic, or infrasonic waves with means for eliminating undesired waves, e.g. disturbing noises |
|
G01S 3/781
|
Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using electromagnetic waves other than radio waves - Details |
|
G01S 3/782
|
Systems for determining direction or deviation from predetermined direction |
|
G01S 3/783
|
Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived from static detectors or detector systems |
|
G01S 3/784
|
Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived from static detectors or detector systems using a mosaic of detectors |
|
G01S 3/785
|
Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system |
|
G01S 3/786
|
Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system the desired condition being maintained automatically |
|
G01S 3/787
|
Systems for determining direction or deviation from predetermined direction using rotating reticles producing a direction-dependent modulation characteristic |
|
G01S 3/788
|
Systems for determining direction or deviation from predetermined direction using rotating reticles producing a direction-dependent modulation characteristic producing a frequency modulation characteristic |
|
G01S 3/789
|
Systems for determining direction or deviation from predetermined direction using rotating or oscillating beam systems, e.g. using mirrors, prisms |
|
G01S 3/801
|
Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic, or infrasonic waves - Details |
|
G01S 3/802
|
Systems for determining direction or deviation from predetermined direction |
|
G01S 3/803
|
Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived from receiving transducers or transducer systems having differently-oriented directivity characteristics |
|
G01S 3/805
|
Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristics of a transducer or transducer system to give a desired condition of signal derived from that transducer or transducer system, e.g. to give a maximum or minimum signal |
|
G01S 3/807
|
Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristics of a transducer or transducer system to give a desired condition of signal derived from that transducer or transducer system, e.g. to give a maximum or minimum signal the desired condition being maintained automatically |
|
G01S 3/808
|
Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems |
|
G01S 3/809
|
Rotating or oscillating beam systems using continuous analysis of received signal for determining direction in the plane of rotation or oscillation or for determining deviation from a predetermined direction in such a plane |
|
G01S 5/00
|
Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations |
|
G01S 5/02
|
Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves |
|
G01S 5/04
|
Position of source determined by a plurality of spaced direction-finders |
|
G01S 5/06
|
Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements |
|
G01S 5/08
|
Position of single direction-finder fixed by determining direction of a plurality of spaced sources of known location |
|
G01S 5/10
|
Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements |
|
G01S 5/12
|
Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves by co-ordinating position lines of different shape, e.g. hyperbolic, circular, elliptical or radial |
|
G01S 5/14
|
Determining absolute distances from a plurality of spaced points of known location |
|
G01S 5/16
|
Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations using electromagnetic waves other than radio waves |
|
G01S 5/18
|
Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations using ultrasonic, sonic, or infrasonic waves |
|
G01S 5/20
|
Position of source determined by a plurality of spaced direction-finders |
|
G01S 5/22
|
Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements |
|
G01S 5/24
|
Position of single direction-finder fixed by determining direction of a plurality of spaced sources of known location |
|
G01S 5/26
|
Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements |
|
G01S 5/28
|
Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations using ultrasonic, sonic, or infrasonic waves by co-ordinating position lines of different shape, e.g. hyperbolic, circular, elliptical or radial |
|
G01S 5/30
|
Determining absolute distances from a plurality of spaced points of known location |
|
G01S 7/00
|
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , |
|
G01S 7/02
|
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group |
|
G01S 7/03
|
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group - Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver |
|
G01S 7/04
|
Display arrangements |
|
G01S 7/06
|
Cathode-ray tube displays |
|
G01S 7/08
|
Cathode-ray tube displays with vernier indication of distance, e.g. using two cathode-ray tubes |
|
G01S 7/10
|
Providing two-dimensional co-ordinated display of distance and direction |
|
G01S 7/12
|
Plan-position indicators, i.e. P. P. I. |
|
G01S 7/14
|
Sector, off-centre, or expanded- angle display |
|
G01S 7/16
|
Signals displayed as intensity modulation with rectangular co-ordinates representing distance and bearing, e.g. type B |
|
G01S 7/18
|
Distance-height displays; Distance-elevation displays, e.g. type RHI, type E |
|
G01S 7/20
|
Stereoscopic displays; Three-dimensional displays; Pseudo-three-dimensional displays |
|
G01S 7/22
|
Producing cursor lines and indicia by electronic means |
|
G01S 7/24
|
Cathode-ray tube displays the display being orientated or displaced in accordance with movement of object carrying the transmitting and receiving apparatus, e.g. true-motion radar |
|
G01S 7/26
|
Displays using electroluminescent panels |
|
G01S 7/28
|
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group - Details of pulse systems |
|
G01S 7/32
|
Shaping echo pulse signals; Deriving non-pulse signals from echo pulse signals |
|
G01S 7/34
|
Gain of receiver varied automatically during pulse-recurrence period, e.g. anti-clutter gain control |
|
G01S 7/35
|
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group - Details of non-pulse systems |
|
G01S 7/36
|
Means for anti-jamming |
|
G01S 7/38
|
Jamming means, e.g. producing false echoes |
|
G01S 7/40
|
Means for monitoring or calibrating |
|
G01S 7/41
|
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group using analysis of echo signal for target characterisation; Target signature; Target cross-section |
|
G01S 7/42
|
Diversity systems specially adapted for radar |
|
G01S 7/48
|
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group |
|
G01S 7/51
|
Display arrangements |
|
G01S 7/52
|
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group |
|
G01S 7/53
|
Means for transforming co-ordinates or for evaluating data, e.g. using computers |
|
G01S 7/54
|
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group with receivers spaced apart |
|
G01S 7/56
|
Display arrangements |
|
G01S 7/58
|
Display arrangements for providing variable ranges |
|
G01S 7/60
|
Display arrangements for providing a permanent recording |
|
G01S 7/62
|
Cathode-ray tube displays |
|
G01S 7/64
|
Luminous indications |
|
G01S 7/282
|
Transmitters |
|
G01S 7/285
|
Receivers |
|
G01S 7/288
|
Coherent receivers |
|
G01S 7/292
|
Extracting wanted echo-signals |
|
G01S 7/295
|
Means for transforming co-ordinates or for evaluating data, e.g. using computers |
|
G01S 7/298
|
Scan converters |
|
G01S 7/481
|
Constructional features, e.g. arrangements of optical elements |
|
G01S 7/483
|
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group - Details of pulse systems |
|
G01S 7/484
|
Transmitters |
|
G01S 7/486
|
Receivers |
|
G01S 7/487
|
Extracting wanted echo signals |
|
G01S 7/489
|
Gain of receiver varied automatically during pulse-recurrence period |
|
G01S 7/491
|
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group - Details of non-pulse systems |
|
G01S 7/493
|
Extracting wanted echo signals |
|
G01S 7/495
|
Counter-measures or counter-counter-measures |
|
G01S 7/497
|
Means for monitoring or calibrating |
|
G01S 7/499
|
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group using polarisation effects |
|
G01S 7/521
|
Constructional features |
|
G01S 7/523
|
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group - Details of pulse systems |
|
G01S 7/524
|
Transmitters |
|
G01S 7/526
|
Receivers |
|
G01S 7/527
|
Extracting wanted echo signals |
|
G01S 7/529
|
Gain of receiver varied automatically during pulse-recurrence period |
|
G01S 7/531
|
Scan converters |
|
G01S 7/533
|
Data rate converters |
|
G01S 7/534
|
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group - Details of non-pulse systems |
|
G01S 7/536
|
Extracting wanted echo signals |
|
G01S 7/537
|
Counter measures or counter-counter-measures, e.g. jamming, anti-jamming |
|
G01S 7/539
|
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group using analysis of echo signal for target characterisation; Target signature; Target cross-section |
|
G01S 7/4861
|
Circuits for detection, sampling, integration or read-out |
|
G01S 7/4863
|
Detector arrays, e.g. charge-transfer gates |
|
G01S 7/4865
|
Time delay measurement, e.g. time-of-flight measurement, time of arrival measurement or determining the exact position of a peak |
|
G01S 7/4911
|
Transmitters |
|
G01S 7/4912
|
Receivers |
|
G01S 7/4913
|
Circuits for detection, sampling, integration or read-out |
|
G01S 7/4914
|
Detector arrays, e.g. charge-transfer gates |
|
G01S 7/4915
|
Time delay measurement, e.g. operational details for pixel components; Phase measurement |
|
G01S 11/00
|
Systems for determining distance or velocity not using reflection or reradiation |
|
G01S 11/02
|
Systems for determining distance or velocity not using reflection or reradiation using radio waves |
|
G01S 11/04
|
Systems for determining distance or velocity not using reflection or reradiation using radio waves using angle measurements |
|
G01S 11/06
|
Systems for determining distance or velocity not using reflection or reradiation using radio waves using intensity measurements |
|
G01S 11/08
|
Systems for determining distance or velocity not using reflection or reradiation using radio waves using synchronised clocks |
|
G01S 11/10
|
Systems for determining distance or velocity not using reflection or reradiation using radio waves using Doppler effect |
|
G01S 11/12
|
Systems for determining distance or velocity not using reflection or reradiation using electromagnetic waves other than radio waves |
|
G01S 11/14
|
Systems for determining distance or velocity not using reflection or reradiation using ultrasonic, sonic or infrasonic waves |
|
G01S 11/16
|
Systems for determining distance or velocity not using reflection or reradiation using difference in transit time between electromagnetic and sonic waves |
|
G01S 13/00
|
Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified |
|
G01S 13/02
|
Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems |
|
G01S 13/04
|
Systems determining presence of a target |
|
G01S 13/06
|
Systems determining position data of a target |
|
G01S 13/08
|
Systems for measuring distance only |
|
G01S 13/10
|
Systems for measuring distance only using transmission of interrupted, pulse modulated waves |
|
G01S 13/12
|
Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the pulse-recurrence frequency is varied to provide a desired time relationship between the transmission of a pulse and the receipt of the echo of a preceding pulse |
|
G01S 13/14
|
Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein a voltage or current pulse is initiated and terminated in accordance respectively with the pulse transmission and echo reception |
|
G01S 13/16
|
Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein a voltage or current pulse is initiated and terminated in accordance respectively with the pulse transmission and echo reception using counters |
|
G01S 13/18
|
Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein range gates are used |
|
G01S 13/20
|
Systems for measuring distance only using transmission of interrupted, pulse modulated waves whereby multiple time-around echos are used or eliminated |
|
G01S 13/22
|
Systems for measuring distance only using transmission of interrupted, pulse modulated waves using irregular pulse repetition frequency |
|
G01S 13/24
|
Systems for measuring distance only using transmission of interrupted, pulse modulated waves using frequency agility of carrier wave |
|
G01S 13/26
|
Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave |
|
G01S 13/28
|
Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave with time compression of received pulses |
|
G01S 13/30
|
Systems for measuring distance only using transmission of interrupted, pulse modulated waves using more than one pulse per radar period |
|
G01S 13/32
|
Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated |
|
G01S 13/34
|
Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal |
|
G01S 13/36
|
Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated with phase comparison between the received signal and the contemporaneously transmitted signal |
|
G01S 13/38
|
Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated with phase comparison between the received signal and the contemporaneously transmitted signal wherein more than one modulation frequency is used |
|
G01S 13/40
|
Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated with phase comparison between the received signal and the contemporaneously transmitted signal wherein the frequency of transmitted signal is adjusted to give a predetermined phase relationship |
|
G01S 13/42
|
Simultaneous measurement of distance and other coordinates |
|
G01S 13/44
|
Monopulse radar, i.e. simultaneous lobing |
|
G01S 13/46
|
Indirect determination of position data |
|
G01S 13/48
|
Indirect determination of position data using multiple beams at emission or reception |
|
G01S 13/50
|
Systems of measurement based on relative movement of target |
|
G01S 13/52
|
Discriminating between fixed and moving objects or between objects moving at different speeds |
|
G01S 13/53
|
Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi performing filtering on a single spectral line and associated with one or more range gates with a phase detector or a frequency mixer to extract the Doppler information, e.g. pulse Doppler radar |
|
G01S 13/56
|
Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection |
|
G01S 13/58
|
Velocity or trajectory determination systems; Sense-of-movement determination systems |
|
G01S 13/60
|
Velocity or trajectory determination systems; Sense-of-movement determination systems wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track |
|
G01S 13/62
|
Sense-of-movement determination |
|
G01S 13/64
|
Velocity measuring systems using range gates |
|
G01S 13/66
|
Radar-tracking systems; Analogous systems |
|
G01S 13/68
|
Radar-tracking systems; Analogous systems for angle tracking only |
|
G01S 13/70
|
Radar-tracking systems; Analogous systems for range tracking only |
|
G01S 13/72
|
Radar-tracking systems; Analogous systems for two-dimensional tracking, e.g. combination of angle and range tracking, track-while-scan radar |
|
G01S 13/74
|
Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems |
|
G01S 13/75
|
Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders |
|
G01S 13/76
|
Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted |
|
G01S 13/78
|
Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted discriminating between different kinds of targets, e.g. IFF-radar, i.e. identification of friend or foe |
|
G01S 13/79
|
Systems using random coded signals or random pulse repetition frequencies |
|
G01S 13/82
|
Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted |
|
G01S 13/84
|
Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted for distance determination by phase measurement |
|
G01S 13/86
|
Combinations of radar systems with non-radar systems, e.g. sonar, direction finder |
|
G01S 13/87
|
Combinations of radar systems, e.g. primary radar and secondary radar |
|
G01S 13/88
|
Radar or analogous systems, specially adapted for specific applications |
|
G01S 13/89
|
Radar or analogous systems, specially adapted for specific applications for mapping or imaging |
|
G01S 13/90
|
Radar or analogous systems, specially adapted for specific applications for mapping or imaging using synthetic aperture techniques |
|
G01S 13/91
|
Radar or analogous systems, specially adapted for specific applications for traffic control |
|
G01S 13/92
|
Radar or analogous systems, specially adapted for specific applications for traffic control for velocity measurement |
|
G01S 13/93
|
Radar or analogous systems, specially adapted for specific applications for anti-collision purposes |
|
G01S 13/94
|
Radar or analogous systems, specially adapted for specific applications for terrain-avoidance |
|
G01S 13/95
|
Radar or analogous systems, specially adapted for specific applications for meteorological use |
|
G01S 13/522
|
Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves |
|
G01S 13/524
|
Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi |
|
G01S 13/526
|
Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi performing filtering on the whole spectrum without loss of range information, e.g. using delay line cancellers or comb filters |
|
G01S 13/528
|
Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi performing filtering on the whole spectrum without loss of range information, e.g. using delay line cancellers or comb filters with elimination of blind speeds |
|
G01S 13/532
|
Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi performing filtering on a single spectral line and associated with one or more range gates with a phase detector or a frequency mixer to extract the Doppler information, e.g. pulse Doppler radar using a bank of range gates or a memory matrix |
|
G01S 13/534
|
Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi based upon amplitude or phase shift resulting from movement of objects, with reference to the surrounding clutter echo signal, e.g. non-coherent MTi, clutter referenced MTi, externally coherent MTi |
|
G01S 13/536
|
Discriminating between fixed and moving objects or between objects moving at different speeds using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves |
|
G01S 13/538
|
Discriminating between fixed and moving objects or between objects moving at different speeds eliminating objects that have not moved between successive antenna scans, e.g. area MTi |
|
G01S 13/931
|
Radar or analogous systems, specially adapted for specific applications for anti-collision purposes of land vehicles |
|
G01S 13/933
|
Radar or analogous systems, specially adapted for specific applications for anti-collision purposes of aircraft or spacecraft |
|
G01S 13/934
|
Radar or analogous systems, specially adapted for specific applications for anti-collision purposes of aircraft or spacecraft on airport surfaces, e.g. while taxiing |
|
G01S 13/935
|
Radar or analogous systems, specially adapted for specific applications for anti-collision purposes of aircraft or spacecraft for terrain-avoidance |
|
G01S 13/937
|
Radar or analogous systems, specially adapted for specific applications for anti-collision purposes of marine craft |
|
G01S 15/00
|
Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems |
|
G01S 15/02
|
Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves |
|
G01S 15/04
|
Systems determining presence of a target |
|
G01S 15/06
|
Systems determining position data of a target |
|
G01S 15/08
|
Systems for measuring distance only |
|
G01S 15/10
|
Systems for measuring distance only using transmission of interrupted, pulse-modulated waves |
|
G01S 15/12
|
Systems for measuring distance only using transmission of interrupted, pulse-modulated waves wherein the pulse-recurrence frequency is varied to provide a desired time relationship between the transmission of a pulse and the receipt of the echo of a preceding pulse |
|
G01S 15/14
|
Systems for measuring distance only using transmission of interrupted, pulse-modulated waves wherein a voltage or current pulse is initiated and terminated in accordance respectively with the pulse transmission and echo reception |
|
G01S 15/18
|
Systems for measuring distance only using transmission of interrupted, pulse-modulated waves wherein range gates are used |
|
G01S 15/32
|
Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated |
|
G01S 15/34
|
Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal |
|
G01S 15/36
|
Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated with phase comparison between the received signal and the contemporaneously transmitted signal |
|
G01S 15/42
|
Simultaneous measurement of distance and other coordinates |
|
G01S 15/46
|
Indirect determination of position data |
|
G01S 15/50
|
Systems of measurement based on relative movement of target |
|
G01S 15/52
|
Discriminating between fixed and moving objects or between objects moving at different speeds |
|
G01S 15/58
|
Velocity or trajectory determination systems; Sense-of-movement determination systems |
|
G01S 15/60
|
Velocity or trajectory determination systems; Sense-of-movement determination systems wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track |
|
G01S 15/62
|
Sense-of-movement determination |
|
G01S 15/66
|
Sonar tracking systems |
|
G01S 15/74
|
Systems using reradiation of acoustic waves, e.g. IFF, i.e. identification of friend or foe |
|
G01S 15/86
|
Combinations of sonar systems with lidar systems; Combinations of sonar systems with systems not using wave reflection |
|
G01S 15/87
|
Combinations of sonar systems |
|
G01S 15/88
|
Sonar systems specially adapted for specific applications |
|
G01S 15/89
|
Sonar systems specially adapted for specific applications for mapping or imaging |
|
G01S 15/93
|
Sonar systems specially adapted for specific applications for anti-collision purposes |
|
G01S 15/96
|
Sonar systems specially adapted for specific applications for locating fish |
|
G01S 15/931
|
Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles |
|
G01S 17/00
|
Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems |
|
G01S 17/02
|
Systems using the reflection of electromagnetic waves other than radio waves |
|
G01S 17/04
|
Systems determining the presence of a target |
|
G01S 17/06
|
Systems determining position data of a target |
|
G01S 17/08
|
Systems determining position data of a target for measuring distance only |
|
G01S 17/10
|
Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves |
|
G01S 17/14
|
Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves wherein a voltage or current pulse is initiated and terminated in accordance with the pulse transmission and echo reception respectively, e.g. using counters |
|
G01S 17/18
|
Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves wherein range gates are used |
|
G01S 17/26
|
Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves wherein the transmitted pulses use a frequency-modulated or phase-modulated carrier wave, e.g. for pulse compression of received signals |
|
G01S 17/32
|
Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated |
|
G01S 17/34
|
Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal |
|
G01S 17/36
|
Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated with phase comparison between the received signal and the contemporaneously transmitted signal |
|
G01S 17/42
|
Simultaneous measurement of distance and other coordinates |
|
G01S 17/46
|
Indirect determination of position data |
|
G01S 17/48
|
Active triangulation systems, i.e. using the transmission and reflection of electromagnetic waves other than radio waves |
|
G01S 17/50
|
Systems of measurement based on relative movement of target |
|
G01S 17/58
|
Velocity or trajectory determination systems; Sense-of-movement determination systems |
|
G01S 17/66
|
Tracking systems using electromagnetic waves other than radio waves |
|
G01S 17/74
|
Systems using reradiation of electromagnetic waves other than radio waves, e.g. IFF, i.e. identification of friend or foe |
|
G01S 17/86
|
Combinations of lidar systems with systems other than lidar, radar or sonar, e.g. with direction finders |
|
G01S 17/87
|
Combinations of systems using electromagnetic waves other than radio waves |
|
G01S 17/88
|
Lidar systems, specially adapted for specific applications |
|
G01S 17/89
|
Lidar systems, specially adapted for specific applications for mapping or imaging |
|
G01S 17/90
|
Lidar systems, specially adapted for specific applications for mapping or imaging using synthetic aperture techniques |
|
G01S 17/93
|
Lidar systems, specially adapted for specific applications for anti-collision purposes |
|
G01S 17/95
|
Lidar systems, specially adapted for specific applications for meteorological use |
|
G01S 17/875
|
Combinations of systems using electromagnetic waves other than radio waves for determining attitude |
|
G01S 17/894
|
3D imaging with simultaneous measurement of time-of-flight at a 2D array of receiver pixels, e.g. time-of-flight cameras or flash lidar |
|
G01S 17/931
|
Lidar systems, specially adapted for specific applications for anti-collision purposes of land vehicles |
|
G01S 17/933
|
Lidar systems, specially adapted for specific applications for anti-collision purposes of aircraft or spacecraft |
|
G01S 19/00
|
Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems |
|
G01S 19/01
|
Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO |
|
G01S 19/02
|
Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO - Details of the space or ground control segments |
|
G01S 19/03
|
Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers |
|
G01S 19/04
|
Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing carrier phase data |
|
G01S 19/05
|
Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing aiding data |
|
G01S 19/06
|
Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing aiding data employing an initial estimate of the location of the receiver as aiding data or in generating aiding data |
|
G01S 19/07
|
Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing data for correcting measured positioning data, e.g. DGPS [differential GPS] or ionosphere corrections |
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G01S 19/08
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Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing integrity information, e.g. health of satellites or quality of ephemeris data |
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G01S 19/09
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Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing processing capability normally carried out by the receiver |
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G01S 19/10
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Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing dedicated supplementary positioning signals |
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G01S 19/11
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Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing dedicated supplementary positioning signals wherein the cooperating elements are pseudolites or satellite radio beacon positioning system signal repeaters |
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G01S 19/12
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Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing dedicated supplementary positioning signals wherein the cooperating elements are telecommunication base stations |
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G01S 19/13
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Receivers |
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G01S 19/14
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Receivers specially adapted for specific applications |
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G01S 19/15
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Aircraft landing systems |
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G01S 19/16
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Anti-theft; Abduction |
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G01S 19/17
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Emergency applications |
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G01S 19/18
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Military applications |
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G01S 19/19
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Sporting applications |
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G01S 19/20
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Integrity monitoring, fault detection or fault isolation of space segment |
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G01S 19/21
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Interference related issues |
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G01S 19/22
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Multipath-related issues |
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G01S 19/23
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Testing, monitoring, correcting or calibrating of a receiver element |
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G01S 19/24
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Acquisition or tracking of signals transmitted by the system |
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G01S 19/25
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Acquisition or tracking of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS |
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G01S 19/26
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Acquisition or tracking of signals transmitted by the system involving a sensor measurement for aiding acquisition or tracking |
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G01S 19/27
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Acquisition or tracking of signals transmitted by the system creating, predicting or correcting ephemeris or almanac data within the receiver |
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G01S 19/28
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Satellite selection |
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G01S 19/29
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Acquisition or tracking of signals transmitted by the system carrier related |
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G01S 19/30
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Acquisition or tracking of signals transmitted by the system code related |
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G01S 19/31
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Acquisition or tracking of other signals for positioning |
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G01S 19/32
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Multimode operation in a single same satellite system, e.g. GPS L1/L2 |
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G01S 19/33
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Multimode operation in different systems which transmit time stamped messages, e.g. GPS/GLONASS |
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G01S 19/34
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Power consumption |
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G01S 19/35
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Constructional details or hardware or software details of the signal processing chain |
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G01S 19/36
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Constructional details or hardware or software details of the signal processing chain relating to the receiver frond end |
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G01S 19/37
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Hardware or software details of the signal processing chain |
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G01S 19/38
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Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system |
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G01S 19/39
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Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO |
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G01S 19/40
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Correcting position, velocity or attitude |
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G01S 19/41
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Differential correction, e.g. DGPS [differential GPS] |
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G01S 19/42
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Determining position |
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G01S 19/43
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Determining position using long or short baseline interferometry |
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G01S 19/44
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Carrier phase ambiguity resolution; Floating ambiguity; LAMBDA [Least-squares AMBiguity Decorrelation Adjustment] method |
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G01S 19/45
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Determining position by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement |
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G01S 19/46
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Determining position by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement the supplementary measurement being of a radio-wave signal type |
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G01S 19/47
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Determining position by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement the supplementary measurement being an inertial measurement, e.g. tightly coupled inertial |
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G01S 19/48
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Determining position by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system |
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G01S 19/49
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Determining position by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system whereby the further system is an inertial position system, e.g. loosely-coupled |
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G01S 19/50
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Determining position whereby the position solution is constrained to lie upon a particular curve or surface, e.g. for locomotives on railway tracks |
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G01S 19/51
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Relative positioning |
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G01S 19/52
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Determining velocity |
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G01S 19/53
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Determining attitude |
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G01S 19/54
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Determining attitude using long or short baseline interferometry |
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G01S 19/55
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Carrier phase ambiguity resolution; Floating ambiguity; LAMBDA [Least-squares AMBiguity Decorrelation Adjustment] method |
