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Browse by Category: Main > Communications
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
4028699 Search radar Jun. 7, 1977
4021805 Sidelobe blanking system May. 3, 1977
4021804 Synchronized, coherent timing system for coherent-on-receive radar system May. 3, 1977
4016567 CCD range-doppler processor Apr. 5, 1977
4011438 Simplified digital moving target indicator filter Mar. 8, 1977
4011561 Simplified digital conversion for coherent-on-receive pulsed radar system Mar. 8, 1977
4005423 Synthetic aperture radar utilizing a low-speed analog-to-digital converter Jan. 25, 1977
4005417 Frequency spectrum analyzer Jan. 25, 1977
4003054 Method of compensating for imbalances in a quadrature demodulator Jan. 11, 1977
3995271 Adaptive clutter cancellation and interference rejection system for AMTI radar Nov. 30, 1976
3993995 Respiration monitor Nov. 23, 1976
3993994 Adaptive clutter cancellation for synthetic aperture AMTI radar Nov. 23, 1976
3987442 Digital MTI radar system Oct. 19, 1976
3987285 Digital matched filtering using a step transform process Oct. 19, 1976
3976998 Synthetic aperture radars Aug. 24, 1976
3974500 Velocity sensing apparatus Aug. 10, 1976
3962704 Moving target indicator clutter tracker Jun. 8, 1976
3961172 Real-time cross-correlation signal processor Jun. 1, 1976
3950750 Radar system having quadrature phase detector compensator Apr. 13, 1976
3945010 Pulse compression radar Mar. 16, 1976
3943513 System and method for selecting Doppler altered reflected signals Mar. 9, 1976
3943511 Spike enable circuit Mar. 9, 1976
3942178 Intrusion detection system Mar. 2, 1976
3942035 Charge coupled device signal processing apparatus using chirp-Z-transform techniques Mar. 2, 1976
3938150 Microwave amplifier tube coherency test set Feb. 10, 1976

1 2 3 4 5 6 7 8 9 10










 
 
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