FR2682773B1 - Procede et dispositif d'extraction d'erreurs de phase occasionnees par l'atmosphere dans le signal de retrodiffusion d'un systeme d'imagerie radar coherent. - Google Patents

Procede et dispositif d'extraction d'erreurs de phase occasionnees par l'atmosphere dans le signal de retrodiffusion d'un systeme d'imagerie radar coherent.

Info

Publication number
FR2682773B1
FR2682773B1 FR9208795A FR9208795A FR2682773B1 FR 2682773 B1 FR2682773 B1 FR 2682773B1 FR 9208795 A FR9208795 A FR 9208795A FR 9208795 A FR9208795 A FR 9208795A FR 2682773 B1 FR2682773 B1 FR 2682773B1
Authority
FR
France
Prior art keywords
atmosphere
imaging system
broadcast signal
phase errors
radar imaging
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.)
Expired - Fee Related
Application number
FR9208795A
Other languages
English (en)
French (fr)
Other versions
FR2682773A1 (fr
Inventor
Keydel Wolfgang Dr.
Joao Moreira
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.)
Deutsches Zentrum fuer Luft und Raumfahrt eV
Original Assignee
Deutsches Zentrum fuer Luft und Raumfahrt eV
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 Deutsches Zentrum fuer Luft und Raumfahrt eV filed Critical Deutsches Zentrum fuer Luft und Raumfahrt eV
Publication of FR2682773A1 publication Critical patent/FR2682773A1/fr
Application granted granted Critical
Publication of FR2682773B1 publication Critical patent/FR2682773B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • 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
    • G01S7/40—Means for monitoring or calibrating

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)
FR9208795A 1991-07-19 1992-07-16 Procede et dispositif d'extraction d'erreurs de phase occasionnees par l'atmosphere dans le signal de retrodiffusion d'un systeme d'imagerie radar coherent. Expired - Fee Related FR2682773B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4124062A DE4124062C1 (enExample) 1991-07-19 1991-07-19

Publications (2)

Publication Number Publication Date
FR2682773A1 FR2682773A1 (fr) 1993-04-23
FR2682773B1 true FR2682773B1 (fr) 1994-05-13

Family

ID=6436609

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9208795A Expired - Fee Related FR2682773B1 (fr) 1991-07-19 1992-07-16 Procede et dispositif d'extraction d'erreurs de phase occasionnees par l'atmosphere dans le signal de retrodiffusion d'un systeme d'imagerie radar coherent.

Country Status (5)

Country Link
US (1) US5257028A (enExample)
JP (1) JP2650080B2 (enExample)
DE (1) DE4124062C1 (enExample)
FR (1) FR2682773B1 (enExample)
GB (1) GB2258111B (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4311754C1 (de) * 1993-04-08 1994-06-23 Deutsche Forsch Luft Raumfahrt Verfahren zur Extraktion von Bewegungsfehlern eines ein kohärentes Abbildungsradarsystem mitführenden Trägers aus Radar-Rohdaten und Einrichtung zur Durchführung des Verfahrens
US5451961A (en) * 1993-11-08 1995-09-19 Unisys Corporation Time varying adaptive clutter filter and clutter residue sensor
US5841890A (en) * 1996-05-06 1998-11-24 Northrop Grumman Corporation Multi-dimensional wavelet tomography
US6560461B1 (en) 1997-08-04 2003-05-06 Mundi Fomukong Authorized location reporting paging system
GB2354655A (en) * 1999-09-23 2001-03-28 Matra Marconi Space Uk Ltd Mitigation of Faraday rotation in space bourne radar
KR100446452B1 (ko) * 2002-05-22 2004-09-01 국방과학연구소 방향탐지기의 방위오차 저감장치
CN110703211B (zh) * 2019-08-29 2021-11-19 西安电子科技大学 基于多项式迭代的分布相参雷达相位误差估计方法及系统
CN115128563B (zh) * 2022-08-31 2022-11-29 中国科学院空天信息创新研究院 一种星载合成孔径雷达系统幅相误差补偿方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3659291A (en) * 1969-08-18 1972-04-25 Dorn Thomas E Aircraft navigation computer
US3778602A (en) * 1970-10-30 1973-12-11 King Radio Corp Area navigation computer and solid state filter
US3866227A (en) * 1973-03-15 1975-02-11 Rca Corp Doppler tracker receiver
US5034748A (en) * 1973-12-03 1991-07-23 The United States Of America As Represented By The Secretary Of The Navy Narrow band automatic phase control tracking circuitry
US4387373A (en) * 1977-04-21 1983-06-07 Westinghouse Electric Corp. Synthetic monopulse radar
US4594593A (en) * 1981-12-28 1986-06-10 Nippon Electric Co., Ltd. Synthetic aperture radar image processing system
NL8402781A (nl) * 1984-09-12 1986-04-01 Hollandse Signaalapparaten Bv Apparaat voor het handhaven van de orientatie van een antennesysteem ten opzichte van een baken.
US5029307A (en) * 1988-03-30 1991-07-02 Director General, Agency Of Industrial Science And Technology Synthetic aperture radar apparatus
US5043734A (en) * 1988-12-22 1991-08-27 Hughes Aircraft Company Discrete autofocus for ultra-high resolution synthetic aperture radar
DE3922428A1 (de) * 1989-07-07 1991-01-17 Deutsche Forsch Luft Raumfahrt Verfahren zur extraktion von bewegungsfehlern eines ein kohaerentes abbildungsradarsystem mitfuehrenden traegers aus radar-rohdaten und einrichtung zur durchfuehrung des verfahrens
DE3922427C1 (enExample) * 1989-07-07 1991-01-24 Deutsche Forschungsanstalt Fuer Luft- Und Raumfahrt Ev, 5300 Bonn, De
US5148452A (en) * 1990-12-31 1992-09-15 Motorola, Inc. Global positioning system digital receiver

Also Published As

Publication number Publication date
JP2650080B2 (ja) 1997-09-03
US5257028A (en) 1993-10-26
GB9214721D0 (en) 1992-08-19
GB2258111A (en) 1993-01-27
FR2682773A1 (fr) 1993-04-23
GB2258111B (en) 1995-01-11
JPH05188145A (ja) 1993-07-30
DE4124062C1 (enExample) 1992-09-03

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Legal Events

Date Code Title Description
ST Notification of lapse