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Class Information
Number: 342/173
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Testing or calibrating of radar system > By monitoring
Description: Subject matter including means to observe the performance characteristics of the radar apparatus under test.

Sub-classes under this class:

Class Number Class Name Patents
342/174 Calibrating 588

Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8686896 Bench-top measurement method, apparatus and system for phased array radar apparatus calibration Apr. 1, 2014
8643539 Advance manufacturing monitoring and diagnostic tool Feb. 4, 2014
8626084 Area efficient concurrent matching transceiver Jan. 7, 2014
8596587 Systems and methods for redundant vehicle detection at highway-rail grade crossings Dec. 3, 2013
8593336 Control apparatus, radar detection system, and radar detection method Nov. 26, 2013
8593337 Phased array antenna and its phase calibration method Nov. 26, 2013
8586901 Method for compensating for boresight error in missiles with composite radomes and guidance section with boresight error compensation Nov. 19, 2013
8552906 Method and circuit for operating a mixer Oct. 8, 2013
8466833 Monitoring system for an inner area of a machine Jun. 18, 2013
8416118 Chaff cloud detection and centroid estimation Apr. 9, 2013
8400166 Non-destructive determination of electromagnetic properties Mar. 19, 2013
8395497 Radiofrequency circuit embedded onboard in a satellite comprising a thermal control system based on an alarm signal generated by the reflection of power Mar. 12, 2013
8396007 Wireless device deployment with reliable links Mar. 12, 2013
8378879 Apparatus and methods for remote detection of physiological changes Feb. 19, 2013
8344940 Apparatus and sensor for adjusting sensor vertical alignment Jan. 1, 2013
8325084 System for calibration of dual polarization radar with built-in test couplers Dec. 4, 2012
8319682 Method and apparatus for examining an object using electromagnetic millimeter-wave signal illumination Nov. 27, 2012
8314733 Adjustment of radar parameters to maintain accelerating target in track Nov. 20, 2012
8279111 Distance measuring system Oct. 2, 2012
8274427 Radar device Sep. 25, 2012
8274428 Method for estimating a radar cross-section Sep. 25, 2012
8259002 Radar altimeter antenna performance monitoring via reflected power measurements Sep. 4, 2012
8248297 Phase noise measurement system and method Aug. 21, 2012
8243832 Encoded space time warped asymmetrical signaling Aug. 14, 2012
8217829 Apparatus and method for determining axis deviation of radar Jul. 10, 2012
8212714 Using doppler radar images to estimate aircraft navigational heading error Jul. 3, 2012
8193971 Antenna reciprocity calibration Jun. 5, 2012
8193974 Systems and methods for suppressing ambiguous peaks from stepped frequency techniques Jun. 5, 2012
8193972 Adaptive calculation of pulse compression filter coefficients for a radar signal Jun. 5, 2012
8179305 Enhanced impulse response measurement of an FM radar transmitter pulse May. 15, 2012
8169355 Device for imaging test objects using electromagnetic waves, in particular for inspecting people for suspicious items May. 1, 2012
8164308 Apparatus and method for capturing cosmic background radiation and converting the same to electricity Apr. 24, 2012
8159384 Method for examining an ice region or dry region using radar echo sounding Apr. 17, 2012
8134494 Simulating the mutual performance of an antenna array coupled to an electrical drive circuit Mar. 13, 2012
8125375 Radar Feb. 28, 2012
8085189 Antenna calibration Dec. 27, 2011
8085188 Method and apparatus for determining a deviation between an actual direction of a launched projectile and a predetermined direction Dec. 27, 2011
8049663 Hardware compensating pulse compression filter system and method Nov. 1, 2011
8049662 Systems and methods for antenna calibration Nov. 1, 2011
8049661 Antenna array with robust failed-element processor Nov. 1, 2011
8044838 Methods and systems for determining the phase constant for a dielectric medium Oct. 25, 2011
8026844 Radar visibility model Sep. 27, 2011
8009085 Level gauge with positive level verifier Aug. 30, 2011
8004457 Antenna calibration Aug. 23, 2011
8004456 Antenna calibration Aug. 23, 2011
8004458 Means for dual polarization radar with automatic built-in test equipment and calibration Aug. 23, 2011
7999726 Antenna pointing bias estimation using radar imaging Aug. 16, 2011
7965228 Quasi-compact range Jun. 21, 2011
RE42472 Main beam alignment verification for tracking antennas Jun. 21, 2011
7936302 Unwrapping of phase values at array antenna elements May. 3, 2011

1 2 3 4 5 6 7 8

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