DE69935492D1 - Mittelwertbildendes bereichbeschränktes adaptives interferometrisches filter das kombinierte kohärente und nicht kohärente mittelwertbildung optimiert - Google Patents

Mittelwertbildendes bereichbeschränktes adaptives interferometrisches filter das kombinierte kohärente und nicht kohärente mittelwertbildung optimiert

Info

Publication number
DE69935492D1
DE69935492D1 DE69935492T DE69935492T DE69935492D1 DE 69935492 D1 DE69935492 D1 DE 69935492D1 DE 69935492 T DE69935492 T DE 69935492T DE 69935492 T DE69935492 T DE 69935492T DE 69935492 D1 DE69935492 D1 DE 69935492D1
Authority
DE
Germany
Prior art keywords
average
coherent
interferometric filter
range restricted
filter optimizes
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
DE69935492T
Other languages
English (en)
Other versions
DE69935492T2 (de
Inventor
Robert T Frankot
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.)
Raytheon Co
Original Assignee
Raytheon Co
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 Raytheon Co filed Critical Raytheon Co
Publication of DE69935492D1 publication Critical patent/DE69935492D1/de
Application granted granted Critical
Publication of DE69935492T2 publication Critical patent/DE69935492T2/de
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
    • 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
    • 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
    • G01S13/9021—SAR image post-processing techniques
    • G01S13/9023—SAR image post-processing techniques combined with interferometric techniques
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00—Adaptive networks
    • H03H21/0012—Digital adaptive filters

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)
  • Spectrometry And Color Measurement (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Image Processing (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Feedback Control In General (AREA)
DE69935492T 1998-07-02 1999-06-25 Mittelwertbildendes bereichbeschränktes adaptives interferometrisches filter das kombinierte kohärente und nicht kohärente mittelwertbildung optimiert Expired - Fee Related DE69935492T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US109834 1998-07-02
US09/109,834 US6097328A (en) 1998-07-02 1998-07-02 Averaging-area-constrained adaptive interferometric filter that optimizes combined coherent and noncoherent averaging
PCT/US1999/014496 WO2000005598A2 (en) 1998-07-02 1999-06-25 Averaging-area-constrained adaptive interferometric filter that optimizes combined coherent and noncoherent averaging

Publications (2)

Publication Number Publication Date
DE69935492D1 true DE69935492D1 (de) 2007-04-26
DE69935492T2 DE69935492T2 (de) 2007-11-29

Family

ID=22329819

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69935492T Expired - Fee Related DE69935492T2 (de) 1998-07-02 1999-06-25 Mittelwertbildendes bereichbeschränktes adaptives interferometrisches filter das kombinierte kohärente und nicht kohärente mittelwertbildung optimiert

Country Status (7)

Country Link
US (1) US6097328A (de)
EP (1) EP1019746B1 (de)
JP (1) JP3299253B1 (de)
KR (1) KR100362489B1 (de)
DE (1) DE69935492T2 (de)
IL (1) IL134836A (de)
WO (1) WO2000005598A2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU5245101A (en) * 2000-04-25 2001-11-07 Eskom Low noise to signal evaluation
US6911931B2 (en) * 2002-10-24 2005-06-28 The Regents Of The University Of California Using dynamic interferometric synthetic aperature radar (InSAR) to image fast-moving surface waves
US6677885B1 (en) * 2003-01-02 2004-01-13 Raytheon Company Method for mitigating atmospheric propagation error in multiple pass interferometric synthetic aperture radar
GB0520332D0 (en) * 2005-10-06 2005-11-16 Roke Manor Research Calibration of phased array antennas
IT1394733B1 (it) * 2009-07-08 2012-07-13 Milano Politecnico Procedimento per il filtraggio di interferogrammi generati da immagini sar acquisite sulla stessa area.
US9020293B2 (en) 2012-02-07 2015-04-28 National Cheung Kung University Integration of filters and phase unwrapping algorithms for removing noise in image reconstruction
EP3076624B1 (de) 2013-10-30 2024-05-08 Samsung Electronics Co., Ltd. Verfahren und vorrichtung zur übertragung einer präambelsequenz
CN104459633B (zh) * 2014-12-01 2016-08-17 中国科学院电子学研究所 结合局部频率估计的小波域InSAR干涉相位滤波方法
US10345440B1 (en) * 2015-12-02 2019-07-09 National Technology & Engineering Solutions Of Sandia, Llc Reduced-bias multi-resolution coherent change detection

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USH1181H (en) * 1985-05-16 1993-05-04 The United States Of America As Represented By The Secretary Of The Air Force Method for high resolution radar imagery and accurate dimensional measurements
US5043734A (en) * 1988-12-22 1991-08-27 Hughes Aircraft Company Discrete autofocus for ultra-high resolution synthetic aperture radar
US4975704A (en) * 1990-01-26 1990-12-04 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Method for detecting surface motions and mapping small terrestrial or planetary surface deformations with synthetic aperture radar
US5250952A (en) * 1991-07-01 1993-10-05 Duane Roth Method of correcting rotational motion error in SAR and ISAR imagery
US5248976A (en) * 1991-11-27 1993-09-28 Hughes Aircraft Company Multiple discrete autofocus
US5260708A (en) * 1992-04-13 1993-11-09 Environmental Research Institute Of Michigan Three dimensional interferometric synthetic aperture radar terrain mapping with unambiguous phase unwrapping employing subset bandwidth processing
US5677693A (en) * 1994-05-26 1997-10-14 Hughes Aircraft Company Multi-pass and multi-channel interferometric synthetic aperture radars
US5424743A (en) * 1994-06-01 1995-06-13 U.S. Department Of Energy 2-D weighted least-squares phase unwrapping
US5488374A (en) * 1994-10-14 1996-01-30 Hughes Aircraft Company Multi-scale adaptive filter for interferometric SAR data
JP3301292B2 (ja) * 1995-12-12 2002-07-15 三菱電機株式会社 干渉型高分解能レーダ装置及び高分解能レーダ装置を用いた地形高さ測定方法
US5835055A (en) * 1996-03-20 1998-11-10 Atlantis Scientific Inc. Method for iterative disk masking and automatic error repair for phase unwrapping
JPH09264950A (ja) * 1996-03-28 1997-10-07 Hitachi Ltd 反射波形の抽出・映像化装置
US5659318A (en) * 1996-05-31 1997-08-19 California Institute Of Technology Interferometric SAR processor for elevation
US5726656A (en) * 1996-12-19 1998-03-10 Hughes Electronics Atmospheric correction method for interferometric synthetic array radar systems operating at long range
JP3395606B2 (ja) * 1997-10-21 2003-04-14 三菱電機株式会社 位相補償回路、位相補償方法およびレーダ装置

Also Published As

Publication number Publication date
WO2000005598A3 (en) 2000-04-27
IL134836A0 (en) 2001-05-20
WO2000005598A2 (en) 2000-02-03
JP3299253B1 (ja) 2002-07-08
JP2002521672A (ja) 2002-07-16
EP1019746B1 (de) 2007-03-14
KR20010023592A (ko) 2001-03-26
IL134836A (en) 2004-01-04
US6097328A (en) 2000-08-01
DE69935492T2 (de) 2007-11-29
WO2000005598A9 (en) 2000-10-12
EP1019746A2 (de) 2000-07-19
KR100362489B1 (ko) 2002-11-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee