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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 |
| 7606294 |
Channel quality estimation method and receiving apparatus |
Oct. 20, 2009 |
| 7598899 |
Method and apparatus for compression of SAR images |
Oct. 6, 2009 |
| 7589666 |
System and method for processing data in weather radar |
Sep. 15, 2009 |
| 7558695 |
Self-powered vehicle speed sensor |
Jul. 7, 2009 |
| 7555051 |
Method and device for estimating IQ imbalance |
Jun. 30, 2009 |
| 7551118 |
RFI suppression in SAR |
Jun. 23, 2009 |
| 7551119 |
Flight path-driven mitigation of wavefront curvature effects in SAR images |
Jun. 23, 2009 |
| 7548193 |
Radar device |
Jun. 16, 2009 |
| 7538712 |
Method and apparatus for decompression of SAR images |
May. 26, 2009 |
| 7532154 |
Frequency modulation radar device |
May. 12, 2009 |
| 7528768 |
Radar device |
May. 5, 2009 |
| 7508334 |
Method and apparatus for processing SAR images based on an anisotropic diffusion filtering algorithm |
Mar. 24, 2009 |
| 7504985 |
Multi-dimensional real-array radar antennas and systems steered and focused using fast fourier transforms |
Mar. 17, 2009 |
| 7486225 |
Radar device |
Feb. 3, 2009 |
| 7479921 |
Distance measuring device, distance measuring method and distance measuring program |
Jan. 20, 2009 |
| 7477182 |
Pulse radar system |
Jan. 13, 2009 |
| 7471237 |
Built-in missile RADAR calibration verification |
Dec. 30, 2008 |
| 7463181 |
Method of suppressing interferences in systems for detecting objects |
Dec. 9, 2008 |
| 7456780 |
Method and system for developing and using an image reconstruction algorithm for detecting and imaging moving targets |
Nov. 25, 2008 |
| 7450054 |
Method and apparatus for processing complex interferometric SAR data |
Nov. 11, 2008 |
| 7439899 |
Encoded transmitted signals in a simultaneous dual polarization weather system |
Oct. 21, 2008 |
| 7417584 |
Monopulse radar estimation of target altitude at low angles of elevation |
Aug. 26, 2008 |
| 7414567 |
ADS-B radar system |
Aug. 19, 2008 |
| 7391362 |
Linear FM radar |
Jun. 24, 2008 |
| 7379017 |
Micro movement pulsed radar system and method of phase noise compensation |
May. 27, 2008 |
| 7372897 |
Portable information communication terminal, program, and recording medium |
May. 13, 2008 |
| 7352800 |
Method of partial parallel interference cancellation |
Apr. 1, 2008 |
| 7298317 |
Gain compensation in an ultra-wideband transceiver |
Nov. 20, 2007 |
| 7298315 |
Radar pulse compression repair |
Nov. 20, 2007 |
| 7295145 |
Selective-sampling receiver |
Nov. 13, 2007 |
| 7295154 |
Vehicle obstacle warning radar |
Nov. 13, 2007 |
| 7280067 |
Radar detector and radar detecting method for WLAN systems according to 802.11 wireless communication standards |
Oct. 9, 2007 |
| 7268724 |
Reduced-error monopulse processor |
Sep. 11, 2007 |
| 7259716 |
Quadrature mixture LO suppression via DSW DAC noise dither |
Aug. 21, 2007 |
| 7250902 |
Method of generating accurate estimates of azimuth and elevation angles of a target for a phased--phased array rotating radar |
Jul. 31, 2007 |
| 7248205 |
Radar apparatus |
Jul. 24, 2007 |
| 7236123 |
System for enhanced detection of a target |
Jun. 26, 2007 |
| 7206707 |
Wideband digital IFM receiver |
Apr. 17, 2007 |
| 7205931 |
Method for determining the distance between a base station and a mobile object, in addition to a base station and identification system for a method of this type |
Apr. 17, 2007 |
| 7199751 |
Radar equipment |
Apr. 3, 2007 |
| 7190302 |
Sub-surface radar imaging |
Mar. 13, 2007 |
| 7183964 |
Mine detection using radar vibrometer |
Feb. 27, 2007 |
| 7176828 |
Near-field antenna array with signal processing |
Feb. 13, 2007 |
| 7170440 |
Linear FM radar |
Jan. 30, 2007 |
| 7167126 |
Radar system and method for determining the height of an object |
Jan. 23, 2007 |
| 7167513 |
IQ imbalance correction |
Jan. 23, 2007 |
| 7161530 |
System and method for radar calibration using antenna leakage |
Jan. 9, 2007 |
| 7145497 |
Robust detection technique of fixed and moving ground targets using a common waveform |
Dec. 5, 2006 |
| 7142153 |
Short pulse/stepped frequency radar system |
Nov. 28, 2006 |
| 7136014 |
System and method for estimating the azimuth pointing angle of a moving monopulse antenna |
Nov. 14, 2006 |
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