DE602004016087D1 - Verfahren zur SAR- Verarbeitung ohne INS-Dateien - Google Patents

Verfahren zur SAR- Verarbeitung ohne INS-Dateien

Info

Publication number
DE602004016087D1
DE602004016087D1 DE602004016087T DE602004016087T DE602004016087D1 DE 602004016087 D1 DE602004016087 D1 DE 602004016087D1 DE 602004016087 T DE602004016087 T DE 602004016087T DE 602004016087 T DE602004016087 T DE 602004016087T DE 602004016087 D1 DE602004016087 D1 DE 602004016087D1
Authority
DE
Germany
Prior art keywords
ins
files
sar processing
sar
processing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
DE602004016087T
Other languages
English (en)
Inventor
Kapriel V Krikorian
James G Chow
Robert A Rosen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Raytheon Co
Original Assignee
Raytheon Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Raytheon Co filed Critical Raytheon Co
Publication of DE602004016087D1 publication Critical patent/DE602004016087D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28—Details of pulse systems
    • G01S7/285—Receivers
    • G01S7/295—Means for transforming co-ordinates or for evaluating data, e.g. using computers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/89—Radar or analogous systems specially adapted for specific applications for mapping or imaging
    • G01S13/90—Radar or analogous systems specially adapted for specific applications for mapping or imaging using synthetic aperture techniques, e.g. synthetic aperture radar [SAR] techniques
    • G01S13/9004—SAR image acquisition techniques
    • G01S13/9017—SAR image acquisition techniques with time domain processing of the SAR signals in azimuth
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/89—Radar or analogous systems specially adapted for specific applications for mapping or imaging
    • G01S13/90—Radar or analogous systems specially adapted for specific applications for mapping or imaging using synthetic aperture techniques, e.g. synthetic aperture radar [SAR] techniques
    • G01S13/9004—SAR image acquisition techniques
    • G01S13/9019—Auto-focussing of the SAR signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Signal Processing (AREA)
  • Radar Systems Or Details Thereof (AREA)
DE602004016087T 2003-08-05 2004-07-30 Verfahren zur SAR- Verarbeitung ohne INS-Dateien Active DE602004016087D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/634,303 US7038612B2 (en) 2003-08-05 2003-08-05 Method for SAR processing without INS data

Publications (1)

Publication Number Publication Date
DE602004016087D1 true DE602004016087D1 (de) 2008-10-09

Family

ID=33552896

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004016087T Active DE602004016087D1 (de) 2003-08-05 2004-07-30 Verfahren zur SAR- Verarbeitung ohne INS-Dateien

Country Status (3)

Country Link
US (1) US7038612B2 (de)
EP (1) EP1505408B1 (de)
DE (1) DE602004016087D1 (de)

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US7072248B2 (en) * 2002-09-09 2006-07-04 E. I. Du Pont De Nemours And Company Rapidly low temperature curable high gas barrier coating
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US7145498B2 (en) * 2004-11-23 2006-12-05 Raytheon Company Efficient autofocus method for swath SAR
US7145496B2 (en) * 2004-11-23 2006-12-05 Raytheon Company Autofocus method based on successive parameter adjustments for contrast optimization
US7411540B1 (en) * 2005-03-10 2008-08-12 Itt Manufacturing Enterprises Inc. Synthetic aperture radar (SAR) data compression
US7391357B1 (en) * 2005-03-25 2008-06-24 Sandia Corporation Correction of motion measurement errors beyond the range resolution of a synthetic aperture radar
US7633427B2 (en) * 2005-10-20 2009-12-15 Kinetx, Inc. Active imaging using satellite communication system
US7277042B1 (en) * 2006-05-12 2007-10-02 Raytheon Company Compensation of flight path deviation for spotlight SAR
WO2008021374A2 (en) * 2006-08-15 2008-02-21 General Dynamics Advanced Information Systems, Inc Methods for two-dimensional autofocus in high resolution radar systems
US20080297405A1 (en) * 2007-04-06 2008-12-04 Morrison Jr Robert L Synthetic Aperture focusing techniques
EP2120063A1 (de) * 2008-05-15 2009-11-18 The European Community, represented by the European Commission Radarbildgebung einer Szene im Fernfeld einer ein- oder zweidimensionalen Radaranordnung
CA2802784C (en) 2010-06-28 2016-03-15 Institut National D'optique Method and apparatus for compensating for a parameter change in a synthetic aperture imaging system
US8704703B2 (en) 2011-08-16 2014-04-22 The Mitre Corporation Pseudosynchronizer for an unsynchronized bistatic radar system
JP5917907B2 (ja) * 2011-12-22 2016-05-18 株式会社メガチップス 画像処理装置
JP5865696B2 (ja) * 2011-12-22 2016-02-17 株式会社メガチップス 画像処理装置
US9103918B2 (en) * 2012-11-29 2015-08-11 Raytheon Company Enhanced radar range resolution
US9329264B2 (en) * 2013-02-15 2016-05-03 Raytheon Company SAR image formation
US9134415B2 (en) * 2013-11-08 2015-09-15 C&P Technologies, Inc. Wideband waveform synthesis using frequency jump burst-type waveforms
CN104199031B (zh) * 2014-08-12 2017-01-25 北京理工大学 一种geo sar电离层闪烁幅相误差补偿的自聚焦方法
US10928510B1 (en) 2014-09-10 2021-02-23 Rockwell Collins, Inc. System for and method of image processing for low visibility landing applications
CN104316923B (zh) * 2014-10-14 2017-02-15 南京航空航天大学 针对合成孔径雷达bp成像的自聚焦方法
EP3407085B1 (de) * 2016-02-29 2020-04-08 Mitsubishi Electric Corporation Radarvorrichtung
US10228460B1 (en) 2016-05-26 2019-03-12 Rockwell Collins, Inc. Weather radar enabled low visibility operation system and method
US10353068B1 (en) * 2016-07-28 2019-07-16 Rockwell Collins, Inc. Weather radar enabled offshore operation system and method
CN108120982B (zh) * 2017-12-26 2020-02-21 中国科学院电子学研究所 一种基于低精度POS的微型InSAR运动补偿方法
DE102018202864A1 (de) * 2018-01-19 2019-07-25 Infineon Technologies Ag Verfahren und System für Synthetische-Apertur-Radarsignalverarbeitung
CN108896971B (zh) * 2018-05-10 2022-03-22 西安电子科技大学 一种海面漂浮小目标回波的仿真方法
CN110109102B (zh) * 2019-04-04 2022-05-03 电子科技大学 一种sar运动目标检测与速度估计的方法
CN111208515B (zh) * 2020-01-17 2023-03-24 西安电子科技大学 一种基于二维非线性映射的sar运动补偿方法
CN111474545B (zh) * 2020-04-22 2022-05-24 中国科学院空天信息创新研究院 基于ais的sar图像中船只位置计算和重聚焦的方法及装置
WO2022198566A1 (zh) * 2021-03-25 2022-09-29 华为技术有限公司 一种基于回波数据的速度估计方法及装置
CN113640794B (zh) * 2021-07-20 2023-12-01 北京理工大学 一种mimo-sar三维成像自聚焦方法
CN113640795B (zh) * 2021-07-27 2024-02-13 北京理工大学 一种基于生成对抗网络的sar智能参数化自聚焦方法
CN113820713B (zh) * 2021-10-19 2023-07-18 内蒙古工业大学 发射机运动双基弧形阵列sar的成像方法、装置及存储介质
CN114910934B (zh) * 2022-03-31 2023-02-07 北京卫星信息工程研究所 基于星载gnss-r/s一体化接收的海面矢量风场反演系统及方法

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US4706088A (en) * 1986-03-24 1987-11-10 United Technologies Corporation Synthetic aperture radar focusing
US4706089A (en) * 1986-03-24 1987-11-10 United Technologies Corporation Synthetic aperture radar focusing
US4724418A (en) * 1986-03-24 1988-02-09 United Technologies Corporation Synthetic aperture radar focusing
US4924229A (en) * 1989-09-14 1990-05-08 The United States Of America As Represented By The United States Department Of Energy Phase correction system for automatic focusing of synthetic aperture radar
US5021789A (en) 1990-07-02 1991-06-04 The United States Of America As Represented By The Secretary Of The Air Force Real-time high resolution autofocus system in digital radar signal processors
US5760732A (en) 1996-05-01 1998-06-02 Multispec Corporation Method and apparatus for enhanced resolution of range estimates in echo location for detection and imaging systems
US5854602A (en) * 1997-04-28 1998-12-29 Erim International, Inc. Subaperture high-order autofocus using reverse phase
US6037892A (en) * 1998-05-28 2000-03-14 Multispec Corporation Method for automatic focusing of radar or sonar imaging systems using high-order measurements
US6088295A (en) * 1998-12-29 2000-07-11 The United States Of America As Represented By The Secretary Of The Navy Feature imaging and adaptive focusing for synthetic aperture processor
US6603424B1 (en) * 2002-07-31 2003-08-05 The Boeing Company System, method and computer program product for reducing errors in synthetic aperture radar signals
US6781541B1 (en) * 2003-07-30 2004-08-24 Raytheon Company Estimation and correction of phase for focusing search mode SAR images formed by range migration algorithm

Also Published As

Publication number Publication date
EP1505408A1 (de) 2005-02-09
US7038612B2 (en) 2006-05-02
EP1505408B1 (de) 2008-08-27
US20050073455A1 (en) 2005-04-07

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