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Class Information
Number: 342/99
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Return signal controls radar system > Receiver > Frequency > Doppler frequency tracking
Description: Subject matter wherein circuitry is provided to follow variations in the doppler component of the returned signal.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 8645053 |
Relative vehicular positioning using vehicular communications |
Feb. 4, 2014 |
| 8633805 |
Systems and methods to determine motion parameters using RFID tags |
Jan. 21, 2014 |
| 8576664 |
Moving object detection system |
Nov. 5, 2013 |
| 8559491 |
Methods and devices for determining the impulse response of propagation channels involving emitters, reflectors and sensors that are fixed or mobile |
Oct. 15, 2013 |
| 8355473 |
Methods and systems with simplified doppler spread classification |
Jan. 15, 2013 |
| 8242888 |
Systems and methods to determine motion parameters using RFID tags |
Aug. 14, 2012 |
| 8188911 |
Low noise generator for frequency swept signals |
May. 29, 2012 |
| 8170135 |
Methods and apparatus for emitter detection |
May. 1, 2012 |
| 8149159 |
Radar coasting during data dropout |
Apr. 3, 2012 |
| 7995682 |
Method and apparatus for performing signal processing using historical correlation data |
Aug. 9, 2011 |
| 7970083 |
Estimating doppler frequency in ISDB-T systems |
Jun. 28, 2011 |
| 7970081 |
Delay-doppler channel response demodulation method and apparatus |
Jun. 28, 2011 |
| 7911375 |
Doppler beam-sharpened radar altimeter |
Mar. 22, 2011 |
| 7876262 |
Radar system |
Jan. 25, 2011 |
| 7856066 |
OFDM receiver and doppler frequency estimating circuit |
Dec. 21, 2010 |
| 7768963 |
System and method of improving sampling of WLAN packet information to improve estimates of Doppler frequency of a WLAN positioning device |
Aug. 3, 2010 |
| 7756498 |
Channel estimator and method for changing IIR filter coefficient depending on moving speed of mobile communication terminal |
Jul. 13, 2010 |
| 7714782 |
Phase arrays exploiting geometry phase and methods of creating such arrays |
May. 11, 2010 |
| 7626536 |
Non-scanning radar for detecting and tracking targets |
Dec. 1, 2009 |
| 7579976 |
Systems and methods for discriminating signals in a multi-band detector |
Aug. 25, 2009 |
| 7561098 |
System and method for estimating airborne radar antenna pointing errors |
Jul. 14, 2009 |
| 7456740 |
Detector device |
Nov. 25, 2008 |
| 7405869 |
Method and system of local oscillator signal generation |
Jul. 29, 2008 |
| 7375676 |
Mutual interference processor for pulse radar |
May. 20, 2008 |
| 7376210 |
Apparatus and method for performing adaptive channel estimation in a mobile communication system |
May. 20, 2008 |
| 7336218 |
Radar system with peak frequency analysis and window functions |
Feb. 26, 2008 |
| 7324041 |
Method for solving two RF signals' angular position |
Jan. 29, 2008 |
| 7317417 |
Methods for detection and tracking of targets |
Jan. 8, 2008 |
| 7248208 |
Methods and systems for maintaining a position during hovering operations |
Jul. 24, 2007 |
| 7218274 |
System and method for detection and tracking of targets |
May. 15, 2007 |
| 7176826 |
System and method for detection of emitter signals using multiple intercept rules |
Feb. 13, 2007 |
| 7164737 |
Method for estimating doppler frequency |
Jan. 16, 2007 |
| 7136013 |
Radio-wave radar system and adaptive cruise control system |
Nov. 14, 2006 |
| 7068209 |
System and method for detecting and jamming emitter signals |
Jun. 27, 2006 |
| 7053815 |
Radar tracking system |
May. 30, 2006 |
| 6995705 |
System and method for doppler track correlation for debris tracking |
Feb. 7, 2006 |
| 6972710 |
Automotive radio wave radar and signal processing |
Dec. 6, 2005 |
| 6933878 |
Wide bandwidth radar |
Aug. 23, 2005 |
| 6801155 |
Method and apparatus for recognising a radar target |
Oct. 5, 2004 |
| 6677887 |
Intrusion detection radar system |
Jan. 13, 2004 |
| 6653974 |
Method for clearly determining the intermediate frequency difference in a frequency-controlled radar system |
Nov. 25, 2003 |
| 6636174 |
System and method for detection and tracking of targets |
Oct. 21, 2003 |
| 6556942 |
Short range spread-spectrum radiolocation system and method |
Apr. 29, 2003 |
| 6553007 |
Compensation of doppler shift in a mobile communication system |
Apr. 22, 2003 |
| 6518916 |
Object recognition apparatus |
Feb. 11, 2003 |
| 6498580 |
Missile launch point estimation system |
Dec. 24, 2002 |
| 6433730 |
Noise riding threshold control with immunity to signals with high pulse repetition frequencies and high duty cycles |
Aug. 13, 2002 |
| 6429804 |
Motor-vehicle-mounted radar apparatus |
Aug. 6, 2002 |
| 6297764 |
Radar receiver having matched filter processing |
Oct. 2, 2001 |
| 6275182 |
Radome polarization error compensation |
Aug. 14, 2001 |
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