GB201014603D0 - Method for improving the localization of the points composing a radar image of the sar type - Google Patents

Method for improving the localization of the points composing a radar image of the sar type

Info

Publication number
GB201014603D0
GB201014603D0 GBGB1014603.3A GB201014603A GB201014603D0 GB 201014603 D0 GB201014603 D0 GB 201014603D0 GB 201014603 A GB201014603 A GB 201014603A GB 201014603 D0 GB201014603 D0 GB 201014603D0
Authority
GB
United Kingdom
Prior art keywords
localization
improving
radar image
sar type
points composing
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.)
Granted
Application number
GBGB1014603.3A
Other versions
GB2474326B (en
GB2474326A (en
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.)
Thales SA
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 GB201014603D0 publication Critical patent/GB201014603D0/en
Publication of GB2474326A publication Critical patent/GB2474326A/en
Application granted granted Critical
Publication of GB2474326B publication Critical patent/GB2474326B/en
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
    • 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
    • G01S13/9011—SAR image acquisition techniques with frequency 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
    • G01S13/904—SAR modes
    • 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
    • G01S13/9035—
    • 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

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)
GB1014603.3A 2009-09-04 2010-09-02 Method for improving the localization of the points composing a radar image of the SAR type Active GB2474326B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0904210A FR2949868B1 (en) 2009-09-04 2009-09-04 METHOD FOR IMPROVING THE LOCATION OF POINTS COMPRISING A RADAR IMAGE OF SAR TYPE.

Publications (3)

Publication Number Publication Date
GB201014603D0 true GB201014603D0 (en) 2010-10-13
GB2474326A GB2474326A (en) 2011-04-13
GB2474326B GB2474326B (en) 2011-12-28

Family

ID=42077542

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1014603.3A Active GB2474326B (en) 2009-09-04 2010-09-02 Method for improving the localization of the points composing a radar image of the SAR type

Country Status (3)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111369642A (en) * 2020-03-13 2020-07-03 北京敏视达雷达有限公司 Radar radial data display drawing method and system
CN113640807A (en) * 2021-06-23 2021-11-12 中国人民解放军海军工程大学 Multi-subarray synthetic aperture sonar intra-pulse Doppler frequency shift compensation line-by-line imaging method
CN113671455A (en) * 2021-09-07 2021-11-19 辽宁工程技术大学 Simulation analysis method for geometric positioning accuracy of medium and high orbit SAR (synthetic aperture radar) satellite

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109471101B (en) * 2018-10-19 2021-05-04 湖北航天技术研究院总体设计所 Missile-borne SAR image correction method
US12117520B1 (en) 2021-07-08 2024-10-15 Waymo Llc Methods and systems for radar image video compression using per-pixel doppler measurements

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 (en) * 2006-08-15 2008-02-21 General Dynamics Advanced Information Systems, Inc Methods for two-dimensional autofocus in high resolution radar systems
EP2256515B1 (en) * 2008-03-07 2018-05-02 Japan Agency for Marine-Earth Science and Technology Synthetic aperture processing system and synthetic aperture processing method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111369642A (en) * 2020-03-13 2020-07-03 北京敏视达雷达有限公司 Radar radial data display drawing method and system
CN111369642B (en) * 2020-03-13 2023-11-10 华云敏视达雷达(北京)有限公司 Radar radial data display drawing method and system
CN113640807A (en) * 2021-06-23 2021-11-12 中国人民解放军海军工程大学 Multi-subarray synthetic aperture sonar intra-pulse Doppler frequency shift compensation line-by-line imaging method
CN113640807B (en) * 2021-06-23 2024-04-30 中国人民解放军海军工程大学 Multi-subarray synthetic aperture sonar intra-pulse Doppler frequency shift compensation progressive imaging method
CN113671455A (en) * 2021-09-07 2021-11-19 辽宁工程技术大学 Simulation analysis method for geometric positioning accuracy of medium and high orbit SAR (synthetic aperture radar) satellite

Also Published As

Publication number Publication date
GB2474326B (en) 2011-12-28
FR2949868A1 (en) 2011-03-11
FR2949868B1 (en) 2012-05-04
IL207857A (en) 2015-01-29
GB2474326A (en) 2011-04-13
IL207857A0 (en) 2011-01-31

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