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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:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 3987285 |
Digital matched filtering using a step transform process |
Oct. 19, 1976 |
| 3987442 |
Digital MTI radar system |
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 |
| 3942035 |
Charge coupled device signal processing apparatus using chirp-Z-transform techniques |
Mar. 2, 1976 |
| 3942178 |
Intrusion detection system |
Mar. 2, 1976 |
| 3938150 |
Microwave amplifier tube coherency test set |
Feb. 10, 1976 |
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