SE517768C2 - Ett SAR-radar system - Google Patents

Ett SAR-radar system

Info

Publication number
SE517768C2
SE517768C2 SE9503275A SE9503275A SE517768C2 SE 517768 C2 SE517768 C2 SE 517768C2 SE 9503275 A SE9503275 A SE 9503275A SE 9503275 A SE9503275 A SE 9503275A SE 517768 C2 SE517768 C2 SE 517768C2
Authority
SE
Sweden
Prior art keywords
radar
ground
subaperture
sar
distance
Prior art date
Application number
SE9503275A
Other languages
English (en)
Swedish (sv)
Other versions
SE9503275L (sv
SE9503275D0 (sv
Inventor
Hans Hellsten
Original Assignee
Totalfoersvarets Forskningsins
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 Totalfoersvarets Forskningsins filed Critical Totalfoersvarets Forskningsins
Priority to SE9503275A priority Critical patent/SE517768C2/sv
Publication of SE9503275D0 publication Critical patent/SE9503275D0/xx
Priority to PCT/SE1996/001164 priority patent/WO1997011387A1/en
Priority to US09/043,459 priority patent/US5969662A/en
Priority to JP51264497A priority patent/JP3878213B2/ja
Priority to CA002232602A priority patent/CA2232602C/en
Priority to EP96931351A priority patent/EP0855042B1/en
Priority to DE69620429T priority patent/DE69620429T2/de
Publication of SE9503275L publication Critical patent/SE9503275L/
Publication of SE517768C2 publication Critical patent/SE517768C2/sv

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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/003Transmission of data between radar, sonar or lidar systems and remote stations
    • 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
    • G01S13/9017SAR image acquisition techniques with time 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
    • G01S13/9004SAR 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Radar Systems Or Details Thereof (AREA)
SE9503275A 1995-09-21 1995-09-21 Ett SAR-radar system SE517768C2 (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE9503275A SE517768C2 (sv) 1995-09-21 1995-09-21 Ett SAR-radar system
PCT/SE1996/001164 WO1997011387A1 (en) 1995-09-21 1996-09-20 A sar radar system
US09/043,459 US5969662A (en) 1995-09-21 1996-09-20 SAR radar system
JP51264497A JP3878213B2 (ja) 1995-09-21 1996-09-20 Sarレーダシステム
CA002232602A CA2232602C (en) 1995-09-21 1996-09-20 A sar radar system
EP96931351A EP0855042B1 (en) 1995-09-21 1996-09-20 A sar radar system
DE69620429T DE69620429T2 (de) 1995-09-21 1996-09-20 Radarsystem mit synthetischer apertur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9503275A SE517768C2 (sv) 1995-09-21 1995-09-21 Ett SAR-radar system

Publications (3)

Publication Number Publication Date
SE9503275D0 SE9503275D0 (sv) 1995-09-21
SE9503275L SE9503275L (sv) 1997-03-22
SE517768C2 true SE517768C2 (sv) 2002-07-16

Family

ID=20399552

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9503275A SE517768C2 (sv) 1995-09-21 1995-09-21 Ett SAR-radar system

Country Status (7)

Country Link
US (1) US5969662A (ja)
EP (1) EP0855042B1 (ja)
JP (1) JP3878213B2 (ja)
CA (1) CA2232602C (ja)
DE (1) DE69620429T2 (ja)
SE (1) SE517768C2 (ja)
WO (1) WO1997011387A1 (ja)

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SE9804417L (sv) * 1998-12-18 1999-12-20 Foersvarets Forskningsanstalt Ett SAR-radarsystem
SE512532C2 (sv) 1999-02-26 2000-03-27 Foersvarets Forskningsanstalt Sätt att med en SAR-radar detektera objekt som förändrar sig med tiden
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US6914949B2 (en) * 2000-10-13 2005-07-05 Time Domain Corporation Method and system for reducing potential interference in an impulse radio
US6518914B1 (en) * 2000-11-02 2003-02-11 Totalförsvarets Forskningsinstitut Synthetic aperture radar system capable of detecting moving targets
US6735346B2 (en) * 2000-12-11 2004-05-11 Essex Corporation HD fourier transforms for irregularly sampled data
US7042386B2 (en) * 2001-12-11 2006-05-09 Essex Corporation Sub-aperture sidelobe and alias mitigation techniques
US6650272B2 (en) * 2002-01-16 2003-11-18 Raytheon Company Radar system and method
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US7411540B1 (en) * 2005-03-10 2008-08-12 Itt Manufacturing Enterprises Inc. Synthetic aperture radar (SAR) data compression
US8129684B2 (en) * 2005-03-22 2012-03-06 Coherent, Inc. Detection of hidden objects by terahertz heterodyne laser imaging
US7345279B2 (en) * 2005-09-20 2008-03-18 Coherent, Inc. Identification of hidden objects by terahertz heterodyne laser imaging
US20070257194A1 (en) * 2005-03-22 2007-11-08 Mueller Eric R Terahertz heterodyne tomographic imaging system
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US7378658B2 (en) * 2005-09-20 2008-05-27 Coherent, Inc. Security portal with THz trans-receiver
US7567198B2 (en) * 2006-04-25 2009-07-28 The Boeing Company Subaperture 3D imaging
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US7498968B1 (en) * 2006-05-22 2009-03-03 Sandia Corporation Synthetic aperture design for increased SAR image rate
BRPI0622161A2 (pt) * 2006-12-11 2011-12-27 Ericsson Telefon Ab L M sistema de radar, e, mÉtodo para fornecer uma imagem de um cenÁrio
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BRPI0924275B1 (pt) * 2009-02-06 2021-02-23 Saab Ab sistema de radar e método para um radar de abertura sintética
US8035545B2 (en) * 2009-03-13 2011-10-11 Raytheon Company Vehicular surveillance system using a synthetic aperture radar
EP2306402A1 (en) 2009-08-25 2011-04-06 Soemar Emid Exact image reconstruction method
KR101009967B1 (ko) * 2010-08-12 2011-01-20 엘아이지넥스원 주식회사 레이더 영상 생성 장치와 그 방법, 및 상기 방법을 구현하는 프로그램이 기록된 기록매체
US8362947B2 (en) * 2011-03-29 2013-01-29 Victor Gorelik Method for obtaining object-plane field from its two images
CN102520403B (zh) * 2011-11-30 2013-09-11 北京理工大学 一种改进的基于频域频谱重建的频率步进sar成像方法
US9239383B2 (en) * 2012-01-10 2016-01-19 Raytheon Company Wide beam SAR focusing method using navigation solution derived from autofocus data
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CN103576153B (zh) * 2013-11-22 2016-05-25 中国科学院电子学研究所 一种方位向多波束合成孔径雷达及其实现方法和装置
CN103576152B (zh) * 2013-11-22 2016-04-06 中国科学院电子学研究所 一种滑动聚束合成孔径雷达及其实现方法和装置
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CN118501880A (zh) * 2024-07-22 2024-08-16 中国电子科技集团公司第十四研究所 一种分布式InSAR大双基角条带模式的实现方法、系统及介质

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Also Published As

Publication number Publication date
DE69620429D1 (de) 2002-05-08
JPH11512531A (ja) 1999-10-26
SE9503275L (sv) 1997-03-22
EP0855042B1 (en) 2002-04-03
CA2232602C (en) 2008-01-29
US5969662A (en) 1999-10-19
EP0855042A1 (en) 1998-07-29
WO1997011387A1 (en) 1997-03-27
CA2232602A1 (en) 1997-03-27
JP3878213B2 (ja) 2007-02-07
SE9503275D0 (sv) 1995-09-21
DE69620429T2 (de) 2002-11-07

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