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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 |
| 5757312 |
Method and apparatus for hard-wired adaptive cancellation |
May. 26, 1998 |
| 5748142 |
Pulse doppler radar system which identifies and removes electromagnetic interference |
May. 5, 1998 |
| 5734577 |
Adaptive IIR multitone detector |
Mar. 31, 1998 |
| 5734347 |
Digital holographic radar |
Mar. 31, 1998 |
| 5706013 |
Nonhomogeneity detection method and apparatus for improved adaptive signal processing |
Jan. 6, 1998 |
| 5703592 |
Method and apparatus for estimating the detection range of a radar |
Dec. 30, 1997 |
| 5694342 |
Method for detecting signals in non-Gaussian background clutter |
Dec. 2, 1997 |
| 5689444 |
Statistical quality control of wind profiler data |
Nov. 18, 1997 |
| 5689262 |
Electronic baffle and baffle controlled microwave devices |
Nov. 18, 1997 |
| 5686919 |
Process for generating wind profiler data free of fixed ground clutter contamination |
Nov. 11, 1997 |
| 5668739 |
System and method for tracking objects using a detection system |
Sep. 16, 1997 |
| 5661487 |
Digital center line filter |
Aug. 26, 1997 |
| 5659319 |
Method and apparatus for operating a surface detection surveillance radar using frequency agile pulse transmissions |
Aug. 19, 1997 |
| 5644508 |
Detection of moving objects |
Jul. 1, 1997 |
| 5633643 |
Method and device for signal-processing in a radar system |
May. 27, 1997 |
| 5630154 |
Programmable systolic array system arranged in a found arrangement for passing data through programmable number of cells in a time interleaved manner |
May. 13, 1997 |
| 5617099 |
Adaptive filtering of matched-filter data |
Apr. 1, 1997 |
| 5612700 |
System for extracting targets from radar signatures |
Mar. 18, 1997 |
| 5608514 |
High range resolution ladar |
Mar. 4, 1997 |
| 5604503 |
Multipath and co-channel signal preprocessor |
Feb. 18, 1997 |
| 5602760 |
Image-based detection and tracking system and processing method employing clutter measurements and signal-to-clutter ratios |
Feb. 11, 1997 |
| 5598355 |
Process for the trajectography of objects and device for performing this process |
Jan. 28, 1997 |
| 5594450 |
Radar system and method for detecting targets clutter using target intensity and angular position |
Jan. 14, 1997 |
| 5587929 |
System and method for tracking objects using a detection system |
Dec. 24, 1996 |
| 5563601 |
Two-port synthetic aperature radar system for radar detection of targets |
Oct. 8, 1996 |
| 5563604 |
Weather radar using spectral gaussian envelope discrimination for clutter rejection |
Oct. 8, 1996 |
| 5546089 |
Optical monopulse chirp processor |
Aug. 13, 1996 |
| 5510796 |
Apparatus for wind shear compensation in an MTI radar system |
Apr. 23, 1996 |
| 5504487 |
System for extracting targets from radar signatures |
Apr. 2, 1996 |
| 5500647 |
Method for determining the rank of distance ambiguity of radar echoes |
Mar. 19, 1996 |
| 5499195 |
Fine-grained multi-planar clutter rejection processor |
Mar. 12, 1996 |
| 5499030 |
Expert system constant false alarm rate (CFAR) processor |
Mar. 12, 1996 |
| 5497162 |
Radar signal selection based upon antenna bearing |
Mar. 5, 1996 |
| 5495253 |
Soliton rejection filter |
Feb. 27, 1996 |
| 5485157 |
Doppler radar detection system |
Jan. 16, 1996 |
| 5481269 |
General frame wavelet classifier |
Jan. 2, 1996 |
| 5473332 |
RFI suppression circuit and method |
Dec. 5, 1995 |
| 5469374 |
Automatic data segmentation module for target motion analysis applications |
Nov. 21, 1995 |
| 5469171 |
HF background noise measurement in HF environments |
Nov. 21, 1995 |
| 5467091 |
Radar and other communication systems having large bandwidth and large dynamic range |
Nov. 14, 1995 |
| 5465095 |
Time efficient method for processing adaptive target detection thresholds in doppler radar systems |
Nov. 7, 1995 |
| 5451961 |
Time varying adaptive clutter filter and clutter residue sensor |
Sep. 19, 1995 |
| 5434573 |
Three term ripple suppression |
Jul. 18, 1995 |
| 5432517 |
Method and device for the filtering of responses in a secondary radar extractor |
Jul. 11, 1995 |
| 5424743 |
2-D weighted least-squares phase unwrapping |
Jun. 13, 1995 |
| 5424674 |
Wide dynamic range detection circuit |
Jun. 13, 1995 |
| 5418536 |
Bandwidth and amplitude insensitive frequency discriminator |
May. 23, 1995 |
| 5418534 |
Method of compensating for a signal component generated by a moving radar antenna |
May. 23, 1995 |
| 5416488 |
Radar return signal processing method |
May. 16, 1995 |
| 5402131 |
Detection of radar targets using higher-order statistics |
Mar. 28, 1995 |
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