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Class Information
Number: 342/194
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > With particular circuit > Complex signal (in phase and quadrature)
Description: Subject matter including receiver circuit means to separate returned radar signals into "in phase" and quadrature" components.










Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
4218678 Synthetic pulse radar including a microprocessor based controller Aug. 19, 1980
4217582 Radar system for detecting approaching vehicles from behind Aug. 12, 1980
4217584 System for the suppression by matching techniques of unwanted echoes in impulse coherent radars Aug. 12, 1980
4216473 MIPS Hover attachment Aug. 5, 1980
RE30288 Intrusion detection system May. 27, 1980
4183024 Side-looking radar systems Jan. 8, 1980
4173017 Programmable signal processor for Doppler filtering Oct. 30, 1979
4168500 Method and system for moving target elimination and indication using smoothing filters Sep. 18, 1979
4168501 Method and system for moving target elimination and indication Sep. 18, 1979
4163975 Method of measuring the altitude of a target maneuvering at a very low elevation, and a tracking radar using same Aug. 7, 1979
4160975 Correction circuit for wide bandwidth antenna Jul. 10, 1979
4160249 Analogue storage and processing system Jul. 3, 1979
4153899 MTI radar system and method May. 8, 1979
4150376 Side-looking radar systems Apr. 17, 1979
4143372 Side-lobe blanking arrangement for a radar system Mar. 6, 1979
4139850 Arrangement for detecting the presence of radar echos in a pulsed radar system Feb. 13, 1979
4137532 VIP doppler filter bank signal processor for pulse doppler radar Jan. 30, 1979
4137533 Angle/vector processed, phase-accumulated single vector rotation, variable order adaptive MTI processor Jan. 30, 1979
4136341 Radar system employing two kinds of pulses Jan. 23, 1979
4132990 AMTI target/clutter discriminator Jan. 2, 1979
4131889 Miniature doppler radar systems and microwave receivers suitable therefor Dec. 26, 1978
4122448 Automatic phase and gain balance controller for a baseband processor Oct. 24, 1978
4110753 Device for processing signals from a coherent pulse radar Aug. 29, 1978
4104631 Method and system for clutter blanking in a radar target processor Aug. 1, 1978
4103301 Constant false alarm rate moving target indication radar system (CFAR-MTI) Jul. 25, 1978
4101889 Constant false alarm rate doppler radar system Jul. 18, 1978
4095224 Digital phase correction for coherent-on-receive pulsed radar system Jun. 13, 1978
4093949 Clutter tracker using a smoothed doppler frequency measurement Jun. 6, 1978
4087815 Hybrid digital-optical radar signal processor May. 2, 1978
4083049 Moving target radar Apr. 4, 1978
4075630 Signal processor Feb. 21, 1978
4068234 Frequency scanned illumination imaging array Jan. 10, 1978
4065768 Radar apparatus Dec. 27, 1977
4064511 Clutter subtraction system Dec. 20, 1977
4062011 MTI System processor and method Dec. 6, 1977
4054879 Dual-frequency, remote ocean-wave spectrometer Oct. 18, 1977
4053885 Moving target indication radar Oct. 11, 1977
4053882 Polarization radar method and system Oct. 11, 1977
4053886 Stepped dual-frequency, ocean-wave spectrometer Oct. 11, 1977
4047173 FM pulse compression radar Sep. 6, 1977
4045797 Radar doppler frequency measuring apparatus Aug. 30, 1977
4042925 Pseudo-random code (PRC) surveilance radar Aug. 16, 1977
4042924 MTI clutter tracking and cancelling system Aug. 16, 1977
4041488 Doppler radar system Aug. 9, 1977
4040055 Digital compensator for transmitter instability Aug. 2, 1977
4038540 Quadrature correlation pulse detector Jul. 26, 1977
4035799 Digital mean clutter doppler compensation system Jul. 12, 1977
4034376 Radio direction finder with array element signal processing Jul. 5, 1977
4034370 Second order motion compensator for high resolution radar Jul. 5, 1977
4028700 Pulse compression radar and method of operating such a radar Jun. 7, 1977

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