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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 |
| 6683561 |
Radar systems |
Jan. 27, 2004 |
| 6680691 |
Methods and apparatus for accurate phase detection |
Jan. 20, 2004 |
| 6677885 |
Method for mitigating atmospheric propagation error in multiple pass interferometric synthetic aperture radar |
Jan. 13, 2004 |
| 6677892 |
Process for the phase amplitude demodulation of a received radar signal and device implementing such a process |
Jan. 13, 2004 |
| 6674396 |
System and method for distance measurement by inphase and quadrature signals in a radio system |
Jan. 6, 2004 |
| 6674390 |
Shipboard point defense system and elements therefor |
Jan. 6, 2004 |
| 6664914 |
Ground penetrating radar |
Dec. 16, 2003 |
| 6646591 |
Doppler complex FFT police radar with direction sensing capability |
Nov. 11, 2003 |
| 6642882 |
Mixer, radar module, and communication apparatus incorporating the same |
Nov. 4, 2003 |
| 6639543 |
Sensor front-end for vehicle closing velocity sensor |
Oct. 28, 2003 |
| 6639547 |
System for functional testing in a continuous-wave radar |
Oct. 28, 2003 |
| 6633252 |
Radar plow drillstring steering |
Oct. 14, 2003 |
| 6630902 |
Shipboard point defense system and elements therefor |
Oct. 7, 2003 |
| 6624780 |
False target radar image generator for countering wideband imaging radars |
Sep. 23, 2003 |
| 6614390 |
Method for generating and analyzing radar pulses as well as a radar sensor |
Sep. 2, 2003 |
| 6614389 |
Vehicle-onboard signal processing device and vehicle-onboard radar system |
Sep. 2, 2003 |
| 6608586 |
Method for removing RFI from SAR images |
Aug. 19, 2003 |
| 6608585 |
High-definition imaging apparatus and method |
Aug. 19, 2003 |
| 6597304 |
System and method for coherent array aberration sensing |
Jul. 22, 2003 |
| 6583754 |
Fast fourier transform signal processing method for doppler radar speed sensor |
Jun. 24, 2003 |
| 6570525 |
Method and device for the encoding and decoding of power distribution at the outputs of a system |
May. 27, 2003 |
| 6563455 |
Universal two-channel STAP filter |
May. 13, 2003 |
| 6549158 |
Shipboard point defense system and elements therefor |
Apr. 15, 2003 |
| 6525686 |
Receiving/transmitting apparatus and radar equipment |
Feb. 25, 2003 |
| 6522285 |
Ground-penetrating imaging and detecting radar |
Feb. 18, 2003 |
| 6522290 |
Transmit phase removal in FM homodyne radars |
Feb. 18, 2003 |
| 6501414 |
Method for locating a concealed object |
Dec. 31, 2002 |
| 6492933 |
SSB pulse Doppler sensor and active reflector system |
Dec. 10, 2002 |
| 6480139 |
Jammer counting using cholesky factor diagonal elements |
Nov. 12, 2002 |
| 6473025 |
Landmine locating system |
Oct. 29, 2002 |
| 6469661 |
Correction of I/Q channel errors without calibration |
Oct. 22, 2002 |
| 6420992 |
On board jammer |
Jul. 16, 2002 |
| 6411253 |
Equalization system using general purpose filter architecture |
Jun. 25, 2002 |
| 6404379 |
Matrix monopulse ratio radar processor for two target azimuth and elevation angle determination |
Jun. 11, 2002 |
| 6388604 |
Circuit for LPI signal detection and suppression of conventional pulsed signals |
May. 14, 2002 |
| 6384766 |
Method to generate a three-dimensional image of a ground area using a SAR radar |
May. 7, 2002 |
| 6369746 |
Simultaneous nulling in low sidelobe sum and difference antenna beam patterns |
Apr. 9, 2002 |
| 6362775 |
Precision all-weather target location system |
Mar. 26, 2002 |
| 6297764 |
Radar receiver having matched filter processing |
Oct. 2, 2001 |
| 6295019 |
System and method for distance measurement by inphase and quadrature signals in a radio system |
Sep. 25, 2001 |
| 6292128 |
Time domain detection and clockless logic electronic warfare receiver |
Sep. 18, 2001 |
| 6282231 |
Strong signal cancellation to enhance processing of weak spread spectrum signal |
Aug. 28, 2001 |
| 6268821 |
Multiple band sidelobe canceller |
Jul. 31, 2001 |
| 6255987 |
Block adaptive quantization |
Jul. 3, 2001 |
| 6243036 |
Signal processing for object detection system |
Jun. 5, 2001 |
| 6232913 |
Method and system for measuring radar reflectivity and doppler shift by means of a pulse radar |
May. 15, 2001 |
| 6229475 |
Pulse doppler radar system with improved cluster target resolution capability |
May. 8, 2001 |
| 6229474 |
Radar apparatus |
May. 8, 2001 |
| 6211815 |
Coherent radar detection using non-coherent architecture |
Apr. 3, 2001 |
| 6204803 |
Radar apparatus |
Mar. 20, 2001 |
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