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Class Information
Number: 342/25D
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Synthetic aperture radar > Mapping or imaging using synthetic aperture radar (epo) > With frequency domain processing of the sar signals in azimuth (epo)

Patents under this class:
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Patent Number Title Of Patent Date Issued
8242949 Multipath SAR imaging Aug. 14, 2012
8179301 Image processor and image processing method for synthetic aperture radar May. 15, 2012
8059023 Radar device for maritime surveillance Nov. 15, 2011
8049657 Method for processing TOPS (terrain observation by progressive scan)-SAR (synthetic aperture radar)-raw data Nov. 1, 2011
7999724 Estimation and correction of error in synthetic aperture radar Aug. 16, 2011
7949203 Geospatial modeling system providing void inpainting based upon selectable inpainting functions and related methods May. 24, 2011
7843377 Methods for two-dimensional autofocus in high resolution radar systems Nov. 30, 2010
7714768 Non-statistical method for compressing and decompressing complex SAR data May. 11, 2010
7663529 Methods for two-dimensional autofocus in high resolution radar systems Feb. 16, 2010
7652614 Ground clutter mitigation using a parametric time domain method Jan. 26, 2010
7646327 Synthetic aperture radar motion estimation method Jan. 12, 2010
7598899 Method and apparatus for compression of SAR images Oct. 6, 2009
7567198 Subaperture 3D imaging Jul. 28, 2009
7538712 Method and apparatus for decompression of SAR images May. 26, 2009
7456780 Method and system for developing and using an image reconstruction algorithm for detecting and imaging moving targets Nov. 25, 2008
7411540 Synthetic aperture radar (SAR) data compression Aug. 12, 2008
7397418 SAR image formation with azimuth interpolation after azimuth transform Jul. 8, 2008
7307580 Non-statistical method for compressing and decompressing complex SAR data Dec. 11, 2007
7277042 Compensation of flight path deviation for spotlight SAR Oct. 2, 2007
7245250 Synthetic aperture radar image compression Jul. 17, 2007
7242342 Super-resolution based on frequency domain interferometric processing of sparse multi-sensor measurements Jul. 10, 2007
7212149 System, method and computer program product for detecting and tracking a moving ground target having a single phase center antenna May. 1, 2007
7196653 Imaging apparatus and method Mar. 27, 2007
7183965 Efficient stripmap SAR processing for the implementation of autofocus and missing pulse restoration Feb. 27, 2007
7151476 Radar system having a beamless emission signature Dec. 19, 2006
7145498 Efficient autofocus method for swath SAR Dec. 5, 2006
7145496 Autofocus method based on successive parameter adjustments for contrast optimization Dec. 5, 2006
7136010 Measurement and signature intelligence analysis and reduction technique Nov. 14, 2006
7006031 Interrupt SAR image restoration using linear prediction and Range Migration Algorithm (RMA) processing Feb. 28, 2006
6967613 Broadband waveform reconstruction for radar Nov. 22, 2005
6875978 Modelocked waveform for synthetic aperture ladar Apr. 5, 2005
6873285 Method and system for providing along-track alignment and formatting of synthetic aperture radar (SAR) data, and SAR image formation algorithms using such method and system Mar. 29, 2005
6864827 Digital intermediate frequency receiver module for use in airborne SAR applications Mar. 8, 2005
6781541 Estimation and correction of phase for focusing search mode SAR images formed by range migration algorithm Aug. 24, 2004
6356227 Smearing compensation apparatus for a radar system Mar. 12, 2002
6333986 Cepstral method and system for detecting/classifying objects from air-based or space-based images Dec. 25, 2001
6166677 Image synthesizing method using a plurality of reflection radar waves and aircraft image radar apparatus using the method Dec. 26, 2000
6163293 Radio wave receiving apparatus having an improved antenna resolution Dec. 19, 2000
6087981 Method for pulse compression with a stepped frequency waveform Jul. 11, 2000
6020843 Technique for implementing very large pulse compression biphase codes Feb. 1, 2000
5945937 Along-track interferometric synthetic aperture radar Aug. 31, 1999
5943006 RF image reconstruction and super resolution using fourier transform techniques Aug. 24, 1999
5861835 Method to improve data obtained by a radar Jan. 19, 1999
5796363 Automatic position calculating imaging radar with low-cost synthetic aperture sensor for imaging layered media Aug. 18, 1998
5736957 Delay compensated doppler radar altimeter Apr. 7, 1998
5488373 Signal processing apparatus for synthetic aperture radar Jan. 30, 1996
5440309 Method of extracting motion errors of a carrier bearing a coherent imaging radar system from radar raw data and apparatus for carrying out the method Aug. 8, 1995
5327140 Method and apparatus for motion compensation of SAR images by means of an attitude and heading reference system Jul. 5, 1994
5307070 Method for resolving ambiguity in the determination of antenna angle of view and Doppler frequency in synthetic aperture radar Apr. 26, 1994
5260708 Three dimensional interferometric synthetic aperture radar terrain mapping with unambiguous phase unwrapping employing subset bandwidth processing Nov. 9, 1993

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