JP2012168168A5 - - Google Patents

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JP2012168168A5
JP2012168168A5 JP2012008125A JP2012008125A JP2012168168A5 JP 2012168168 A5 JP2012168168 A5 JP 2012168168A5 JP 2012008125 A JP2012008125 A JP 2012008125A JP 2012008125 A JP2012008125 A JP 2012008125A JP 2012168168 A5 JP2012168168 A5 JP 2012168168A5
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azimuth
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JP5748676B2 (ja
JP2012168168A (ja
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JP2012008125A 2011-02-11 2012-01-18 合成開口レーダーシステムによって取得された入力信号を処理する方法 Expired - Fee Related JP5748676B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/026,085 US8493262B2 (en) 2011-02-11 2011-02-11 Synthetic aperture radar image formation system and method
US13/026,085 2011-02-11

Publications (3)

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JP2012168168A JP2012168168A (ja) 2012-09-06
JP2012168168A5 true JP2012168168A5 (https=) 2014-12-18
JP5748676B2 JP5748676B2 (ja) 2015-07-15

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JP2012008125A Expired - Fee Related JP5748676B2 (ja) 2011-02-11 2012-01-18 合成開口レーダーシステムによって取得された入力信号を処理する方法

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US (1) US8493262B2 (https=)
JP (1) JP5748676B2 (https=)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201204792D0 (en) * 2012-03-19 2012-05-02 Qinetiq Ltd Detection techniques
US9335410B2 (en) 2013-02-19 2016-05-10 Mitsubishi Electric Research Laboratories, Inc. System and method for multiple spotlight synthetic radar imaging using random beam steering
KR101465370B1 (ko) * 2013-12-09 2014-11-26 한국항공우주연구원 위상누적다항식을 이용하여 양방향 첩신호를 생성하는 장치 및 방법
CN103983971B (zh) * 2014-04-10 2016-08-24 西安电子科技大学 星载sar的地面运动目标成像方法
US9448300B2 (en) * 2014-05-28 2016-09-20 Nxp B.V. Signal-based data compression
CN104182942B (zh) * 2014-08-26 2016-11-16 电子科技大学 Sar图像方位模糊抑制方法
EP3214460B1 (en) 2014-10-30 2023-10-11 Mitsubishi Electric Corporation Synthetic aperture radar device
CA2980920C (en) 2015-03-25 2023-09-26 King Abdulaziz City Of Science And Technology Apparatus and methods for synthetic aperture radar with digital beamforming
CA2990063A1 (en) 2015-06-16 2017-03-16 King Abdulaziz City Of Science And Technology Efficient planar phased array antenna assembly
US9977116B2 (en) 2015-10-05 2018-05-22 Analog Devices, Inc. Scaling fixed-point fast Fourier transforms in radar and sonar applications
EP3380864A4 (en) 2015-11-25 2019-07-03 Urthecast Corp. APPARATUS AND METHODS FOR OPEN SYNTHESIS RADAR IMAGING
KR101821607B1 (ko) * 2016-05-03 2018-01-25 엘아이지넥스원 주식회사 오메가-k 알고리즘의 멀티 컴퓨터 프로세싱을 사용한 sar 및 isar 영상 생성 장치
CN106526553B (zh) * 2016-10-31 2019-05-24 北京空间飞行器总体设计部 一种高分辨率sar卫星距离模糊度性能分析方法
DE102017205649B3 (de) * 2017-04-03 2018-03-22 Deutsches Zentrum für Luft- und Raumfahrt e.V. Verfahren und Vorrichtung zur rechnergestützten Verarbeitung von SAR-Rohdaten
WO2018217902A1 (en) 2017-05-23 2018-11-29 King Abdullah City Of Science And Technology Synthetic aperture radar imaging apparatus and methods for moving targets
WO2018217814A1 (en) 2017-05-23 2018-11-29 Urthecast Corp. Synthetic aperture radar imaging apparatus and methods
EP3698167A4 (en) 2017-11-22 2021-11-17 Urthecast Corp. SYNTHETIC OPENING RADAR FORMING APPARATUS AND ASSOCIATED PROCESSES
CN109061640B (zh) * 2018-07-02 2022-06-21 南京信息工程大学 一种用于顺轨干涉sar海流反演的方位模糊抑制方法
CN109975804B (zh) * 2019-03-04 2023-04-07 广东工业大学 一种多平台星座sar融合相参成像方法
CN113419241B (zh) * 2021-05-28 2023-03-21 中国科学院空天信息创新研究院 一种信号重构方法及设备
CN113805173A (zh) * 2021-08-04 2021-12-17 中国人民解放军国防科技大学 一种正交编码孔径全极化雷达图像二维联合重构方法
CN114779247B (zh) * 2022-04-07 2024-03-29 南京航空航天大学 一种基于频率变标的星载稀疏合成孔径雷达斜视成像方法
CN114895305B (zh) * 2022-04-18 2024-03-29 南京航空航天大学 一种基于l1范数正则化的稀疏sar自聚焦成像方法及装置
EP4357804B1 (en) * 2022-10-17 2025-07-02 Nxp B.V. A method of processing radar data
CN115511011B (zh) * 2022-11-21 2023-06-09 南京信息工程大学 一种基于对抗生成网络模型的雷达资料订正方法及系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61100678A (ja) * 1984-10-23 1986-05-19 Natl Space Dev Agency Japan<Nasda> 合成開口レ−ダ
DE19609728C2 (de) * 1996-03-13 1998-01-29 Deutsche Forsch Luft Raumfahrt Verfahren zur Azimut-Skalierung von SAR-Daten und hochgenauer Prozessor zur zweidimensionalen Verarbeitung von ScanSAR-Daten
US6763148B1 (en) * 2000-11-13 2004-07-13 Visual Key, Inc. Image recognition methods
JP2002315004A (ja) * 2001-04-09 2002-10-25 Ntt Docomo Inc 画像符号化方法及び装置、画像復号方法及び装置、並びに画像処理システム
JP2004212256A (ja) * 2003-01-06 2004-07-29 National Institute Of Information & Communication Technology Sar画像のノイズ低減処理方法及び装置
DE102007031020B3 (de) * 2007-07-04 2008-12-24 Deutsches Zentrum für Luft- und Raumfahrt e.V. Verfahren zur Verarbeitung von TOPS(Terrain Observation by Progressive Scan)-SAR(Synthetic Aperture Radar)-Rohdaten und Verwendung des Verfahrens
US20090278921A1 (en) * 2008-05-12 2009-11-12 Capso Vision, Inc. Image Stabilization of Video Play Back
JP5369282B2 (ja) * 2008-11-14 2013-12-18 株式会社パスコ 植生生育状況解析方法、プログラムおよび植生生育状況解析装置
US8204301B2 (en) * 2009-02-25 2012-06-19 Seiko Epson Corporation Iterative data reweighting for balanced model learning
WO2010120338A2 (en) * 2009-04-14 2010-10-21 Thomson Licensing Methods and apparatus for filter parameter determination and selection responsive to variable transforms in sparsity-based de-artifact filtering

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