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Class Information
Number: 342/195
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > With particular circuit > Digital processing
Description: Subject matter including receiver circuit means to process the returned radar signal by transforming the information contained therein into data carrying signals wherein the information is in the form of one of a discrete number of codes.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4879561 |
Filter system for radar applications |
Nov. 7, 1989 |
| 4876549 |
Discrete fourier transform direction finding apparatus |
Oct. 24, 1989 |
| 4875050 |
Generalized doppler matched binary pulse compressor |
Oct. 17, 1989 |
| 4860014 |
Doppler radar with multiphase modulation of transmitted and reflected signal |
Aug. 22, 1989 |
| 4845685 |
Digital phase-locked loop |
Jul. 4, 1989 |
| 4835480 |
Electronic signal synchronization apparatus for radar and the like |
May. 30, 1989 |
| 4829303 |
Data volume reduction for imaging radar polarimetry |
May. 9, 1989 |
| 4816834 |
Pulse synchronizing apparatus |
Mar. 28, 1989 |
| 4804963 |
Wide dynamic range digital receiver |
Feb. 14, 1989 |
| 4801939 |
High-speed data compressor/decompressor for synthetic aperture radar |
Jan. 31, 1989 |
| 4783660 |
Signal source distortion compensator |
Nov. 8, 1988 |
| 4779222 |
Laser Doppler Velocimeter multiplexer interface for simultaneous measured events |
Oct. 18, 1988 |
| 4768156 |
Imaging system |
Aug. 30, 1988 |
| 4754278 |
Method for the in-line measurement of background noise for MTI radar with suppression of samples not originating from noise, and digital device embodying said method |
Jun. 28, 1988 |
| 4749994 |
Signal processing for radars having clutter maps |
Jun. 7, 1988 |
| 4742353 |
Digital processor for radar signals which can perform adaptive suppression of clutter means of a parametric estimator |
May. 3, 1988 |
| 4740909 |
Real time data reduction system standard interface unit |
Apr. 26, 1988 |
| 4728954 |
Ground velocity sensor with drop-out detection |
Mar. 1, 1988 |
| 4724438 |
Radar apparatus |
Feb. 9, 1988 |
| 4712109 |
Device for the identification of undesirable echoes in radar systems |
Dec. 8, 1987 |
| 4710772 |
Log magnitude pulse interference detection for a radar system |
Dec. 1, 1987 |
| 4709236 |
Selectable doppler filter for radar systems |
Nov. 24, 1987 |
| 4703440 |
Method and apparatus for processing ultrasonic echo signals |
Oct. 27, 1987 |
| 4701762 |
Three-dimensional electromagnetic surveillance system and method |
Oct. 20, 1987 |
| 4694300 |
Apparatus for providing constant azimuth cells in an airborne radar |
Sep. 15, 1987 |
| 4686532 |
Accurate location sonar and radar |
Aug. 11, 1987 |
| 4673941 |
Digital pulse compression filter |
Jun. 16, 1987 |
| 4672380 |
Gain restoration after doppler filtering |
Jun. 9, 1987 |
| 4670753 |
Method and apparatus for minimum amplitude time history analysis |
Jun. 2, 1987 |
| 4667200 |
Pulse radar apparatus |
May. 19, 1987 |
| 4663630 |
PPI radar apparatus |
May. 5, 1987 |
| 4658372 |
Scale-space filtering |
Apr. 14, 1987 |
| 4649390 |
Two dimension radar system with selectable three dimension target data extraction |
Mar. 10, 1987 |
| 4648101 |
MLS on-board receiver circuit to decode fast-scanning boosted preamble |
Mar. 3, 1987 |
| 4635061 |
Receiver for a pulsed Doppler radar system |
Jan. 6, 1987 |
| 4633198 |
Flexible (multi-mode) waveform generator |
Dec. 30, 1986 |
| 4633251 |
Method and apparatus for identifying radar targets |
Dec. 30, 1986 |
| 4631541 |
Microprocessor based programmable frequency controller for frequency agile radar |
Dec. 23, 1986 |
| 4631708 |
Transmitter/responder systems |
Dec. 23, 1986 |
| 4626856 |
Radar signal correction system |
Dec. 2, 1986 |
| 4620192 |
Continuous wave radar with ranging capability |
Oct. 28, 1986 |
| 4533918 |
Pilot assistance device |
Aug. 6, 1985 |
| 4532515 |
Angle of arrival measurements for two unresolved sources |
Jul. 30, 1985 |
| 4531124 |
Device for processing logarithmic signals, and its application to a frequency diversity radar |
Jul. 23, 1985 |
| 4490720 |
Multipulse signal processing for radar system |
Dec. 25, 1984 |
| 4484265 |
Corner turn memory address generator |
Nov. 20, 1984 |
| 4435708 |
Means for eliminating step error in FM/CW radio altimeters |
Mar. 6, 1984 |
| 4393444 |
Memory addressing circuit for converting sequential input data to interleaved output data sequence using multiple memories |
Jul. 12, 1983 |
| 4238795 |
Microwave range measuring system for measuring the distance of an object |
Dec. 9, 1980 |
| 4224619 |
Symbology writing apparatus for radar plan position indicator displays |
Sep. 23, 1980 |
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