DK272285A - Kohaerent fasereference anbragt paa radarmaal til opnaaelse af forbedret syntetisk apertur afbildning og oplaesning af bevaegelsesdetaljer. - Google Patents

Kohaerent fasereference anbragt paa radarmaal til opnaaelse af forbedret syntetisk apertur afbildning og oplaesning af bevaegelsesdetaljer. Download PDF

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Publication number
DK272285A
DK272285A DK272285A DK272285A DK272285A DK 272285 A DK272285 A DK 272285A DK 272285 A DK272285 A DK 272285A DK 272285 A DK272285 A DK 272285A DK 272285 A DK272285 A DK 272285A
Authority
DK
Denmark
Prior art keywords
movement
synthetic aperture
phase reference
obtain improved
aperture image
Prior art date
Application number
DK272285A
Other languages
English (en)
Other versions
DK272285D0 (da
Inventor
Ernst Krogager
Original Assignee
Forsvarets Forsknings
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 Forsvarets Forsknings filed Critical Forsvarets Forsknings
Priority to DK272285A priority Critical patent/DK272285A/da
Publication of DK272285D0 publication Critical patent/DK272285D0/da
Priority to US07/032,727 priority patent/US4786906A/en
Priority to DE8686903281T priority patent/DE3678696D1/de
Priority to PCT/DK1986/000068 priority patent/WO1986007635A1/en
Priority to CA000511712A priority patent/CA1276273C/en
Priority to EP86903281A priority patent/EP0229772B1/en
Priority to AT86903281T priority patent/ATE62552T1/de
Publication of DK272285A publication Critical patent/DK272285A/da
Priority to NO870555A priority patent/NO168853C/no
Priority to DK076387A priority patent/DK163078C/da

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
    • G01S13/9019—Auto-focussing of the SAR signals
    • 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
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/767—Responders; Transponders
DK272285A 1985-06-17 1985-06-17 Kohaerent fasereference anbragt paa radarmaal til opnaaelse af forbedret syntetisk apertur afbildning og oplaesning af bevaegelsesdetaljer. DK272285A (da)

Priority Applications (9)

Application Number Priority Date Filing Date Title
DK272285A DK272285A (da) 1985-06-17 1985-06-17 Kohaerent fasereference anbragt paa radarmaal til opnaaelse af forbedret syntetisk apertur afbildning og oplaesning af bevaegelsesdetaljer.
US07/032,727 US4786906A (en) 1985-06-17 1986-06-16 Method of motion compensation in synthetic aperture radar target imaging and a system for performing the method
DE8686903281T DE3678696D1 (de) 1985-06-17 1986-06-16 Verfahren zur kompensation der eigenbewegung in der zielabbildung eines radars mit synthetischer apertur und dieses verfahren verwendende vorrichtung.
PCT/DK1986/000068 WO1986007635A1 (en) 1985-06-17 1986-06-16 A method of motion compensation in synthetic aperture radar target imaging and a system for performing the method
CA000511712A CA1276273C (en) 1985-06-17 1986-06-16 Method of motion compensation in synthetic aperture radar target imaging and a system for performing the method
EP86903281A EP0229772B1 (en) 1985-06-17 1986-06-16 A method of motion compensation in synthetic aperture radar target imaging and a system for performing the method
AT86903281T ATE62552T1 (de) 1985-06-17 1986-06-16 Verfahren zur kompensation der eigenbewegung in der zielabbildung eines radars mit synthetischer apertur und dieses verfahren verwendende vorrichtung.
NO870555A NO168853C (no) 1985-06-17 1987-02-12 Fremgangsmaate til bevegelseskompensasjon ved maalavbildning med syntetisk aperturradar, samt anlegg til utfoerelse avfremgangsmaaten
DK076387A DK163078C (da) 1985-06-17 1987-02-16 Fremgangsmaade til bevaegelseskompensation ved maalafbildning med syntetisk apertur radar samt anlaeg til udoevelse af fremgangsmaaden

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK272285A DK272285A (da) 1985-06-17 1985-06-17 Kohaerent fasereference anbragt paa radarmaal til opnaaelse af forbedret syntetisk apertur afbildning og oplaesning af bevaegelsesdetaljer.

Publications (2)

Publication Number Publication Date
DK272285D0 DK272285D0 (da) 1985-06-17
DK272285A true DK272285A (da) 1986-12-18

Family

ID=8115066

Family Applications (1)

Application Number Title Priority Date Filing Date
DK272285A DK272285A (da) 1985-06-17 1985-06-17 Kohaerent fasereference anbragt paa radarmaal til opnaaelse af forbedret syntetisk apertur afbildning og oplaesning af bevaegelsesdetaljer.

Country Status (5)

Country Link
US (1) US4786906A (da)
EP (1) EP0229772B1 (da)
CA (1) CA1276273C (da)
DK (1) DK272285A (da)
WO (1) WO1986007635A1 (da)

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IT1231358B (it) * 1989-04-21 1991-12-02 Selenia Ind Elettroniche Dispositivo per migliorare la risoluzione radar
FI83999C (fi) * 1989-10-26 1991-09-25 Vaisala Oy Foerfarande och anordning foer maetning av hastigheten av ett objekt genom att utnyttja doppler -foerskjutningen av elektromagnetisk straolning.
US5113194A (en) * 1990-08-29 1992-05-12 Hughes Aircraft Company Acceleration compensation by matched filtering
US5250952A (en) * 1991-07-01 1993-10-05 Duane Roth Method of correcting rotational motion error in SAR and ISAR imagery
US5184133A (en) * 1991-11-26 1993-02-02 Texas Instruments Incorporated ISAR imaging radar system
WO1993013432A1 (en) * 1991-12-20 1993-07-08 Essex Corporation Image synthesis using time sequential holography
US5343203A (en) * 1992-09-24 1994-08-30 Hughes Aircraft Company Doppler tracking method for object imaging from radar returns
US5473330A (en) * 1993-02-01 1995-12-05 Motorola, Inc. Tagging system having resonant frequency shift compensation
US5343204A (en) * 1993-07-29 1994-08-30 Unisys Corporation Auto-focusing correction for rotational acceleration effects on inverse synthetic aperture radar images
JP2618332B2 (ja) * 1994-03-08 1997-06-11 宇宙開発事業団 合成開口レーダ画像の画質評価方法
US5486830A (en) * 1994-04-06 1996-01-23 The United States Of America As Represented By The United States Department Of Energy Radar transponder apparatus and signal processing technique
US5767802A (en) * 1997-01-10 1998-06-16 Northrop Grumman Corporation IFF system including a low radar cross-section synthetic aperture radar (SAR)
US6181270B1 (en) * 1999-02-23 2001-01-30 Veridian Erim International, Inc. Reference-based autofocusing method for IFSAR and other applications
US6791489B1 (en) * 2001-03-12 2004-09-14 Northrop Grumman Corporation Radio tag for LFM radar
US7277042B1 (en) * 2006-05-12 2007-10-02 Raytheon Company Compensation of flight path deviation for spotlight SAR
ITTO20060453A1 (it) * 2006-06-20 2007-12-21 Telespazio Spa Metodo di identificazione di un obiettivo per un sistema radar ad apertura sintetica
US7598900B2 (en) * 2007-11-09 2009-10-06 The Boeing Company Multi-spot inverse synthetic aperture radar imaging
CN102707282B (zh) * 2012-06-08 2013-11-20 北京航空航天大学 一种对非协同目标高精度的isar运动补偿方法
US9329264B2 (en) * 2013-02-15 2016-05-03 Raytheon Company SAR image formation
CN105759264B (zh) * 2016-01-19 2018-05-04 西安电子科技大学 基于时频字典的微动目标缺损回波高分辨成像方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3522602A (en) * 1968-10-30 1970-08-04 Sylvania Electric Prod System for measuring range and relative velocity
US4134113A (en) * 1977-04-18 1979-01-09 Westinghouse Electric Corporation Monopulse motion compensation for a synthetic aperture radar
US4218680A (en) * 1979-01-12 1980-08-19 Motorola, Inc. Coded coherent transponder
JPS56100372A (en) * 1979-12-28 1981-08-12 Ibm Movinggtarget detector
JPS5815178A (ja) * 1981-07-20 1983-01-28 Nec Corp 合成開口レ−ダ画像処理装置
US4563686A (en) * 1982-06-17 1986-01-07 Grumman Aerospace Corporation Range/doppler ship imaging for ordnance control
DE3222869C1 (de) * 1982-06-18 1986-07-17 Dornier System Gmbh, 7990 Friedrichshafen Vorrichtung zur Erzeugung kuenstlicher Zielmarken in der Abbildung eines Radars mit synthetischer Apertur
DE3300087A1 (de) * 1983-01-04 1984-07-05 Alois 7932 Unterwachingen Aßfalg Mechanische stotterbremse
JPS60188866A (ja) * 1984-03-09 1985-09-26 Mitsubishi Electric Corp 合成開口レ−ダ

Also Published As

Publication number Publication date
EP0229772A1 (en) 1987-07-29
WO1986007635A1 (en) 1986-12-31
DK272285D0 (da) 1985-06-17
US4786906A (en) 1988-11-22
EP0229772B1 (en) 1991-04-10
CA1276273C (en) 1990-11-13

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