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Class Information
Number: 342/156
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Determining direction > Interferometer
Description: Subject matter including a receiving antenna system which determines the angle of arrival of the radar signal by phase comparison in the signals at several points on the antenna system.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8477063 System and method for obstacle detection and warning Jul. 2, 2013
8436762 Determining at least one coordinate of an object using intersecting surfaces May. 7, 2013
8416123 Radar system for continuous tracking of multiple objects Apr. 9, 2013
8400350 Radar device and azimuth angle detection method Mar. 19, 2013
8384583 Synthetic-aperture radar system and operating method for monitoring ground and structure displacements suitable for emergency conditions Feb. 26, 2013
8294610 Systems and methods for resolving interferometric angle-of-arrival ambiguities due to local multipath reflections Oct. 23, 2012
8228228 Apparatus and method for receiving electromagnetic waves using photonics Jul. 24, 2012
8164510 Quantity smoother Apr. 24, 2012
7994964 Method for determining the position, notably in terms of elevation, of a target flying at very low altitude Aug. 9, 2011
7952515 Range gated holographic radar May. 31, 2011
7898461 Interferometric signal processing Mar. 1, 2011
7768442 Interferometric signal processing Aug. 3, 2010
7764221 Apparatus and method for determination of a direction to an object Jul. 27, 2010
7729450 Spread spectrum signal receiver Jun. 1, 2010
7688253 Method and processor for reduced ambiguity resolution matrix for interferometric angle determination Mar. 30, 2010
7626536 Non-scanning radar for detecting and tracking targets Dec. 1, 2009
7599678 Processor for a passive ranger Oct. 6, 2009
7436351 Multipath resolving correlation interferometer direction finding Oct. 14, 2008
7417586 Methods and systems for interferometric cross track phase calibration Aug. 26, 2008
7394422 Interferometer-type radar Jul. 1, 2008
7358891 Multipath resolving correlation interferometer direction finding Apr. 15, 2008
7295150 Methods and systems for identifying high-quality phase angle measurements in an interferometric radar system Nov. 13, 2007
7292179 Instantaneous passive range finding Nov. 6, 2007
7026990 Interferometer arrangement for unambiguous determination of an angle of incidence of incident electromagnetic radiation Apr. 11, 2006
6982668 Tangential velocity measurement using interferometric MTI radar Jan. 3, 2006
6911932 Two antenna, two pass interferometric synthetic aperture radar Jun. 28, 2005
6911931 Using dynamic interferometric synthetic aperature radar (InSAR) to image fast-moving surface waves Jun. 28, 2005
6867728 Methods and systems for identifying signals-of-interest Mar. 15, 2005
6864828 Method and apparatus for collection and processing of interferometric synthetic aperture radar data Mar. 8, 2005
6856279 Methods and apparatus for determining an interferometric angle to a target in body coordinates Feb. 15, 2005
6844786 Millimeter- and submillimeter-wave noise generator Jan. 18, 2005
6839017 Method and apparatus for using anti-jam technology to determine the location of an electromagnetic radiation source Jan. 4, 2005
6791493 Method for using signal frequency change to differentially resolve long baseline interferometer measurements Sep. 14, 2004
6784826 Body motion tracking system Aug. 31, 2004
6744401 Methods and apparatus for radar data processing Jun. 1, 2004
6741202 Techniques for 3-dimensional synthetic aperture radar May. 25, 2004
6738563 Methods and apparatus for weighting radar return data May. 18, 2004
6720911 Method and apparatus for reducing the amount of shipboard-collected calibration data Apr. 13, 2004
6697012 Altitude estimation system and method Feb. 24, 2004
6680691 Methods and apparatus for accurate phase detection Jan. 20, 2004
6677884 Satellite configuration for interferometric and/or tomographic remote sensing by means of synthetic aperture radar (SAR) Jan. 13, 2004
6661368 Control of reflected electromagnetic fields at an IFSAR antenna Dec. 9, 2003
6639545 Methods and apparatus to determine a target location in body coordinates Oct. 28, 2003
6618002 HF radar Sep. 9, 2003
6525685 Method and apparatus for detecting and eliminating signal angle-of-arrival errors caused by multipath Feb. 25, 2003
6421008 Method to resolve interferometric ambiguities Jul. 16, 2002
6411249 Apparatus and method for the monopulse linking of frequency agile emitter pulses intercepted in on single interferometer baseline Jun. 25, 2002
6377214 Pipelined processing algorithm for interferometer angle of arrival estimation Apr. 23, 2002
6313795 Direction-finding method for determining the incident direction of a high-frequency electromagnetic signal Nov. 6, 2001
6266005 Method for processing radar signals Jul. 24, 2001

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