JPWO2020240720A1 - - Google Patents
Info
- Publication number
- JPWO2020240720A1 JPWO2020240720A1 JP2021521641A JP2021521641A JPWO2020240720A1 JP WO2020240720 A1 JPWO2020240720 A1 JP WO2020240720A1 JP 2021521641 A JP2021521641 A JP 2021521641A JP 2021521641 A JP2021521641 A JP 2021521641A JP WO2020240720 A1 JPWO2020240720 A1 JP WO2020240720A1
- Authority
- JP
- Japan
- 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.)
- Granted
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
- G01S13/9021—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
Landscapes
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2019/021199 WO2020240720A1 (ja) | 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 |
Publications (3)
Publication Number | Publication Date |
---|---|
JPWO2020240720A1 true JPWO2020240720A1 (ja) | 2020-12-03 |
JPWO2020240720A5 JPWO2020240720A5 (ja) | 2022-02-14 |
JP7248109B2 JP7248109B2 (ja) | 2023-03-29 |
Family
ID=73553590
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021521641A Active JP7248109B2 (ja) | 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 |
Country Status (3)
Country | Link |
---|---|
US (1) | US11841422B2 (ja) |
JP (1) | JP7248109B2 (ja) |
WO (1) | WO2020240720A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115096257A (zh) * | 2022-06-22 | 2022-09-23 | 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 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020240720A1 (ja) * | 2019-05-29 | 2020-12-03 | 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 |
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 |
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 (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5835055A (en) * | 1996-03-20 | 1998-11-10 | Atlantis Scientific Inc. | Method for iterative disk masking and automatic error repair for phase unwrapping |
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 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3768096A (en) * | 1968-09-30 | 1973-10-23 | North American Rockwell | Focusing control of synthetic aperture processing for sidelooking 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 |
US5923278A (en) * | 1996-07-11 | 1999-07-13 | Science Applications International Corporation | Global phase unwrapping of interferograms |
EP2304466B1 (en) * | 2008-07-04 | 2015-10-28 | 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 |
US10209356B2 (en) * | 2015-11-24 | 2019-02-19 | Mitsubishi Electric Research Laboratories, Inc. | Method and system for autofocus radar imaging |
GB201709525D0 (en) * | 2017-06-15 | 2017-08-02 | Univ Nottingham | Land deformation measurement |
US10852421B1 (en) * | 2019-01-24 | 2020-12-01 | Descartes Labs, Inc. | Sparse phase unwrapping |
WO2020240720A1 (ja) * | 2019-05-29 | 2020-12-03 | 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 |
-
2019
- 2019-05-29 WO PCT/JP2019/021199 patent/WO2020240720A1/ja active Application Filing
- 2019-05-29 US US17/613,210 patent/US11841422B2/en active Active
- 2019-05-29 JP JP2021521641A patent/JP7248109B2/ja active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5835055A (en) * | 1996-03-20 | 1998-11-10 | Atlantis Scientific Inc. | Method for iterative disk masking and automatic error repair for phase unwrapping |
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 |
Non-Patent Citations (4)
Title |
---|
BERARDINO, PAOLO ET AL.: ""A New Algorithm for Surface Deformation Monitoring Based on Small Baseline Differential SAR Interfe", IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING, vol. 40, no. 11, JPN6019023398, November 2002 (2002-11-01), pages 2375 - 2383, XP011073259, ISSN: 0004869406 * |
LI, HONGYU ET AL.: ""A Modification to the Complex-Valued MRF Modeling Filter of Interferometric SAR Phase"", IEEE GEOSCIENCE AND REMOTE SENSING LETTERS, vol. 12, no. 3, JPN6019023402, March 2015 (2015-03-01), pages 681 - 685, XP011560955, ISSN: 0004869408, 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", IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING, vol. 40, no. 3, JPN6019023405, March 2002 (2002-03-01), pages 699 - 709, XP011073099, ISSN: 0004869409 * |
YAMAKI, RYO ET AL.: ""Singular Unit Restoration in Interferograms Based on Complex-Valued Markov Random Field Model for P", IEEE GEOSCIENCE AND REMOTE SENSING LETTERS, vol. 6, no. 1, JPN6019023400, January 2009 (2009-01-01), pages 18 - 22, ISSN: 0004869407 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115096257A (zh) * | 2022-06-22 | 2022-09-23 | 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 |
Also Published As
Publication number | Publication date |
---|---|
WO2020240720A1 (ja) | 2020-12-03 |
JP7248109B2 (ja) | 2023-03-29 |
US20220221577A1 (en) | 2022-07-14 |
US11841422B2 (en) | 2023-12-12 |
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