IL207857A - A method for improving the position of points that produce a sar radar image - Google Patents

A method for improving the position of points that produce a sar radar image

Info

Publication number
IL207857A
IL207857A IL207857A IL20785710A IL207857A IL 207857 A IL207857 A IL 207857A IL 207857 A IL207857 A IL 207857A IL 20785710 A IL20785710 A IL 20785710A IL 207857 A IL207857 A IL 207857A
Authority
IL
Israel
Prior art keywords
localization
improving
sar type
radar image
point
Prior art date
Application number
IL207857A
Other languages
English (en)
Hebrew (he)
Other versions
IL207857A0 (en
Original Assignee
Thales Sa
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 Thales Sa filed Critical Thales Sa
Publication of IL207857A0 publication Critical patent/IL207857A0/en
Publication of IL207857A publication Critical patent/IL207857A/en

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S13/00Systems 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
    • G01S13/88Radar or analogous systems specially adapted for specific applications
    • G01S13/89Radar or analogous systems specially adapted for specific applications for mapping or imaging
    • G01S13/90Radar or analogous systems specially adapted for specific applications for mapping or imaging using synthetic aperture techniques, e.g. synthetic aperture radar [SAR] techniques
    • G01S13/9004SAR image acquisition techniques
    • G01S13/9011SAR image acquisition techniques with frequency domain processing of the SAR signals in azimuth
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S13/00Systems 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
    • G01S13/88Radar or analogous systems specially adapted for specific applications
    • G01S13/89Radar or analogous systems specially adapted for specific applications for mapping or imaging
    • G01S13/90Radar or analogous systems specially adapted for specific applications for mapping or imaging using synthetic aperture techniques, e.g. synthetic aperture radar [SAR] techniques
    • G01S13/904SAR modes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S13/00Systems 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
    • G01S13/88Radar or analogous systems specially adapted for specific applications
    • G01S13/89Radar or analogous systems specially adapted for specific applications for mapping or imaging
    • G01S13/90Radar or analogous systems specially adapted for specific applications for mapping or imaging using synthetic aperture techniques, e.g. synthetic aperture radar [SAR] techniques
    • G01S13/9004SAR image acquisition techniques
    • G01S13/9019Auto-focussing of the SAR signals
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28Details of pulse systems
    • G01S7/285Receivers
    • G01S7/295Means for transforming co-ordinates or for evaluating data, e.g. using computers

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)
IL207857A 2009-09-04 2010-08-29 A method for improving the position of points that produce a sar radar image IL207857A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0904210A FR2949868B1 (fr) 2009-09-04 2009-09-04 Procede d'amelioration de la localisation des points composant une image de radar de type sar.

Publications (2)

Publication Number Publication Date
IL207857A0 IL207857A0 (en) 2011-01-31
IL207857A true IL207857A (en) 2015-01-29

Family

ID=42077542

Family Applications (1)

Application Number Title Priority Date Filing Date
IL207857A IL207857A (en) 2009-09-04 2010-08-29 A method for improving the position of points that produce a sar radar image

Country Status (3)

Country Link
FR (1) FR2949868B1 (fr)
GB (1) GB2474326B (fr)
IL (1) IL207857A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109471101B (zh) * 2018-10-19 2021-05-04 湖北航天技术研究院总体设计所 一种弹载sar图像校正方法
CN111369642B (zh) * 2020-03-13 2023-11-10 华云敏视达雷达(北京)有限公司 一种雷达径向数据显示绘制方法和系统
CN113640807B (zh) * 2021-06-23 2024-04-30 中国人民解放军海军工程大学 多子阵合成孔径声纳脉内多普勒频移补偿逐线成像方法
CN113671455A (zh) * 2021-09-07 2021-11-19 辽宁工程技术大学 一种中高轨道sar卫星几何定位精度仿真分析方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2086169A (en) * 1980-09-26 1982-05-06 Org Europeene De Rech Method of processing data generated by a synthetic aperture radar system
US4771287A (en) * 1983-06-23 1988-09-13 Westinghouse Electric Corp. Method of correcting for errors in radar imaging
GB2189362B (en) * 1986-04-16 1990-04-25 Gen Electric Plc A frequency domain correlation system
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
US7391357B1 (en) * 2005-03-25 2008-06-24 Sandia Corporation Correction of motion measurement errors beyond the range resolution of a synthetic aperture radar
WO2008021374A2 (fr) * 2006-08-15 2008-02-21 General Dynamics Advanced Information Systems, Inc Procédés d'auto-focalisation bidimensionnel dans des systèmes radar haute résolution
JP5182676B2 (ja) * 2008-03-07 2013-04-17 独立行政法人海洋研究開発機構 合成開口処理システム及び合成開口処理方法

Also Published As

Publication number Publication date
GB201014603D0 (en) 2010-10-13
FR2949868B1 (fr) 2012-05-04
GB2474326B (en) 2011-12-28
GB2474326A (en) 2011-04-13
IL207857A0 (en) 2011-01-31
FR2949868A1 (fr) 2011-03-11

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