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Class Information
Number: 342/159
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Clutter elimination
Description: Subject matter wherein unwanted echoes are cancelled from the returned radar signal.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6114983 |
Electronic counter measures in radar |
Sep. 5, 2000 |
| 6111537 |
Method for reducing false target echo indications |
Aug. 29, 2000 |
| 6111535 |
Method of minimizing leakage energy in a synthetic aperture radar process |
Aug. 29, 2000 |
| 6097328 |
Averaging-area-constrained adaptive interferometric filter that optimizes combined coherent and noncoherent averaging |
Aug. 1, 2000 |
| 6097329 |
Meteorological radar apparatus |
Aug. 1, 2000 |
| 6097669 |
Wavelet filtering of sodar signals |
Aug. 1, 2000 |
| 6094160 |
Interference rejection method for an automotive radar CW/ICC system |
Jul. 25, 2000 |
| 6087977 |
False alarm rate and detection probability in a receiver |
Jul. 11, 2000 |
| 6087980 |
Radar of FM-CW system |
Jul. 11, 2000 |
| 6081221 |
Signal processing and systematic phase coding for mitigation of range and velocity ambiguities in Doppler weather radars |
Jun. 27, 2000 |
| 6075479 |
Radar apparatus installed on vehicle for producing correct detecting result |
Jun. 13, 2000 |
| 6072418 |
Electromagnetic in particular radar emission sensors, with reduced downstream flow rate |
Jun. 6, 2000 |
| 6069582 |
Method and apparatus for synthesizing multi-channel radar or sonar data |
May. 30, 2000 |
| 6063234 |
Temperature sensing system for use in a radio frequency environment |
May. 16, 2000 |
| 6064334 |
Clutter resistant target detector |
May. 16, 2000 |
| 6061016 |
Method for the attenuation of the clutter coming from the reflection lobes of a radar antenna |
May. 9, 2000 |
| 6052078 |
Apparatus for overcoming the blockage effect of an object in the path of a radiating beam of RF energy |
Apr. 18, 2000 |
| 6043770 |
Statistical inference of electromagnetic interference sources based on a priori knowledge of source and receiver parameters |
Mar. 28, 2000 |
| 6044336 |
Method and apparatus for situationally adaptive processing in echo-location systems operating in non-Gaussian environments |
Mar. 28, 2000 |
| 6040797 |
Method for detecting a radar target |
Mar. 21, 2000 |
| 6038526 |
Method for detecting weak signals in a non-gaussian and non-stationary background |
Mar. 14, 2000 |
| 6037895 |
Vehicle mounted radar apparatus |
Mar. 14, 2000 |
| 6037892 |
Method for automatic focusing of radar or sonar imaging systems using high-order measurements |
Mar. 14, 2000 |
| 6028549 |
Process for the detection and suppression of interfering signals in S.A.R. data and device for performing this process |
Feb. 22, 2000 |
| 6018310 |
Radar device with false-alarm control on scatter |
Jan. 25, 2000 |
| 5995038 |
Wake filter for false alarm suppression and tracking |
Nov. 30, 1999 |
| 5990824 |
Ground based pulse radar system and method providing high clutter rejection and reliable moving target indication with extended range for airport traffic control and other applications |
Nov. 23, 1999 |
| 5973634 |
Method and apparatus for reducing range ambiguity in synthetic aperture radar |
Oct. 26, 1999 |
| 5955985 |
Device for the reduction of noise in a radar receiver |
Sep. 21, 1999 |
| 5955984 |
System and method for simultaneous data link with multipurpose radar operations |
Sep. 21, 1999 |
| 5952955 |
Compensation for radar path length variation and phase error |
Sep. 14, 1999 |
| 5952954 |
Ground penetrating radar with synthesized end-fire array |
Sep. 14, 1999 |
| 5949368 |
Adaptive constant false alarm rate circuit with extremely low loss |
Sep. 7, 1999 |
| 5940025 |
Noise cancellation method and apparatus |
Aug. 17, 1999 |
| 5920282 |
Digitally-controlled pulse shaper for pulsed radar systems and radar wind profilers |
Jul. 6, 1999 |
| 5909190 |
Clutter rejection using adaptive estimation of clutter probability density function |
Jun. 1, 1999 |
| 5900835 |
Coherent hidden markov model |
May. 4, 1999 |
| 5861837 |
Poly-frequency CW doppler radar system with leakage cancellation and method |
Jan. 19, 1999 |
| 5842156 |
Multirate multiresolution target tracking |
Nov. 24, 1998 |
| 5808579 |
Radar system using a cell averaging constant false alarm rate device |
Sep. 15, 1998 |
| 5805107 |
Cost-effective method for determining a pulse response of a high-resolution, band-limited radar channel |
Sep. 8, 1998 |
| 5805106 |
Dual polarization wave clutter reduction |
Sep. 8, 1998 |
| 5798728 |
Radar signal processing apparatus |
Aug. 25, 1998 |
| 5793326 |
Methods of generating a clutter threshold and arrangements for executing the methods |
Aug. 11, 1998 |
| 5786788 |
Radar system and method for reducing range sidelobes |
Jul. 28, 1998 |
| 5781144 |
Wide band video signal denoiser and method for denoising |
Jul. 14, 1998 |
| 5781149 |
Doppler radar clutter spike rejector |
Jul. 14, 1998 |
| 5760734 |
Radar clutter removal by matrix processing |
Jun. 2, 1998 |
| 5760733 |
Apparatus for avoiding crosstalk problems when locating a vehicle travelling along means for propagating electromagnetic waves |
Jun. 2, 1998 |
| 5757312 |
Method and apparatus for hard-wired adaptive cancellation |
May. 26, 1998 |
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