JP7248109B2 - 合成開口レーダの信号処理装置および信号処理方法 - Google Patents

合成開口レーダの信号処理装置および信号処理方法 Download PDF

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JP7248109B2
JP7248109B2 JP2021521641A JP2021521641A JP7248109B2 JP 7248109 B2 JP7248109 B2 JP 7248109B2 JP 2021521641 A JP2021521641 A JP 2021521641A JP 2021521641 A JP2021521641 A JP 2021521641A JP 7248109 B2 JP7248109 B2 JP 7248109B2
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phase
processing
coherence
phase singularity
singularity
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JPWO2020240720A1 (https=
JPWO2020240720A5 (https=
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大典 生藤
大地 田中
治 宝珠仙
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NEC Corp
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    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Radar Systems Or Details Thereof (AREA)
JP2021521641A 2019-05-29 2019-05-29 合成開口レーダの信号処理装置および信号処理方法 Active JP7248109B2 (ja)

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JP7248109B2 true JP7248109B2 (ja) 2023-03-29

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Publication number Priority date Publication date Assignee Title
JP7248109B2 (ja) * 2019-05-29 2023-03-29 日本電気株式会社 合成開口レーダの信号処理装置および信号処理方法
ES3013922T3 (en) * 2020-02-17 2025-04-15 Paris Sciences Et Lettres Method for processing insar images to extract ground deformation signals
IT202000008110A1 (it) * 2020-04-16 2021-10-16 Ids Georadar S R L Metodo per il monitoraggio della stabilità di un fronte di scavo mediante interferometria radar
CN112835043B (zh) * 2021-01-06 2023-03-21 中南大学 一种任意方向的二维形变的监测方法
US12044775B2 (en) * 2021-06-24 2024-07-23 Waymo Llc Methods and systems for detecting and mitigating automotive radar interference
CN115096257B (zh) * 2022-06-22 2023-07-25 平安煤炭开采工程技术研究院有限责任公司 一种矿区开采沉陷监测方法及装置
JP7773949B2 (ja) * 2022-07-14 2025-11-20 株式会社日立製作所 位相画像処理装置及び位相画像処理方法
CN117609533B (zh) * 2024-01-24 2024-04-05 航天宏图信息技术股份有限公司 合成孔径雷达干涉图像对的自动筛选方法、装置及设备

Citations (1)

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JP2001083243A (ja) 1999-09-13 2001-03-30 Mitsubishi Electric Corp 干渉型合成開口レーダによる地形の３次元情報抽出装置

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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
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US5923278A (en) * 1996-07-11 1999-07-13 Science Applications International Corporation Global phase unwrapping of interferograms
WO2010000870A1 (en) * 2008-07-04 2010-01-07 Telespazio S.P.A. Identification and analysis of persistent scatterers in series of sar images
IT1394733B1 (it) * 2009-07-08 2012-07-13 Milano Politecnico Procedimento per il filtraggio di interferogrammi generati da immagini sar acquisite sulla stessa area.
US10495750B1 (en) * 2015-11-19 2019-12-03 National Technology & Engineering Solutions Of Sandia, Llc Spectral replacement to mitigate interference for multi-pass synthetic aperture radar
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JP2001083243A (ja) 1999-09-13 2001-03-30 Mitsubishi Electric Corp 干渉型合成開口レーダによる地形の３次元情報抽出装置

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BERARDINO, Paolo et al.，"A New Algorithm for Surface Deformation Monitoring Based on Small Baseline Differential SAR Interferograms"，IEEE Transactions on Geoscience and Remote Sensing，IEEE，2002年11月，Vol.40, No.11，pp.2375-2383，DOI:10.1109/TGRS.2002.803792
LI, Hongyu et al.，"A Modification to the Complex-Valued MRF Modeling Filter of Interferometric SAR Phase"，IEEE Geoscience and Remote Sensing Letters，IEEE，2015年03月，Vol.12, No.3，pp.681-685，DOI:10.1109/LGRS.2014.2357449
SUKSMONO, Andriyan Bayu et al.，"Adaptive Noise Reduction of InSAR Images Based on a Complex-Valued MRF Model and Its Application to Phase Unwrapping Problem"，IEEE Transactions on Geoscience and Remote Sensing，IEEE，2002年03月，Vol.40, No.3，pp.699-709，DOI:10.1109/TGRS.2002.1000329
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US20220221577A1 (en) 2022-07-14
JPWO2020240720A1 (https=) 2020-12-03
WO2020240720A1 (ja) 2020-12-03

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