IL134836A - Averaging-area-constrained adaptive interferometric filter that optimizes combined coherent and noncoherent averaging - Google Patents
Averaging-area-constrained adaptive interferometric filter that optimizes combined coherent and noncoherent averagingInfo
- Publication number
- IL134836A IL134836A IL13483699A IL13483699A IL134836A IL 134836 A IL134836 A IL 134836A IL 13483699 A IL13483699 A IL 13483699A IL 13483699 A IL13483699 A IL 13483699A IL 134836 A IL134836 A IL 134836A
- Authority
- IL
- Israel
- Prior art keywords
- filter
- adaptive
- impulse response
- coherent
- width
- Prior art date
Links
- 230000003044 adaptive effect Effects 0.000 title claims abstract description 61
- 230000001427 coherent effect Effects 0.000 title claims abstract description 33
- 238000012935 Averaging Methods 0.000 title claims description 16
- 238000011045 prefiltration Methods 0.000 claims abstract description 10
- 230000001419 dependent effect Effects 0.000 claims abstract description 6
- 238000003384 imaging method Methods 0.000 claims abstract description 5
- 230000000295 complement effect Effects 0.000 claims abstract 6
- 230000004044 response Effects 0.000 claims description 37
- 238000001914 filtration Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 10
- 239000002131 composite material Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 2
- 238000005259 measurement Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000013507 mapping Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000593 degrading effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 101100423891 Caenorhabditis elegans qars-1 gene Proteins 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000005305 interferometry Methods 0.000 description 1
- 238000002595 magnetic resonance imaging Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
|---|---|
| IL134836A0 IL134836A0 (en) | 2001-05-20 |
| IL134836A true IL134836A (en) | 2004-01-04 |
Family
ID=22329819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL13483699A IL134836A (en) | 1998-07-02 | 1999-06-25 | Averaging-area-constrained adaptive interferometric filter that optimizes combined coherent and noncoherent averaging |
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 (11)
| 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 |
| JP6491657B2 (ja) | 2013-10-30 | 2019-03-27 | サムスン エレクトロニクス カンパニー リミテッド | プリアンブルシーケンスを送信する方法及び装置 |
| 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 |
| CN119586142A (zh) * | 2022-07-18 | 2025-03-07 | 联发科技股份有限公司 | 用于视频编解码的包含抽头约束的适应性环滤波器的方法和装置 |
| CN117310703B (zh) * | 2023-10-08 | 2025-06-06 | 广西交通设计集团有限公司 | InSAR山地丘陵区形变监测适宜性评价方法及系统 |
Family Cites Families (15)
| 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 |
-
1998
- 1998-07-02 US US09/109,834 patent/US6097328A/en not_active Expired - Fee Related
-
1999
- 1999-06-25 WO PCT/US1999/014496 patent/WO2000005598A2/en not_active Ceased
- 1999-06-25 EP EP99963129A patent/EP1019746B1/de not_active Expired - Lifetime
- 1999-06-25 IL IL13483699A patent/IL134836A/en not_active IP Right Cessation
- 1999-06-25 KR KR1020007002240A patent/KR100362489B1/ko not_active Expired - Fee Related
- 1999-06-25 JP JP2000561512A patent/JP3299253B1/ja not_active Expired - Fee Related
- 1999-06-25 DE DE69935492T patent/DE69935492T2/de not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2002521672A (ja) | 2002-07-16 |
| JP3299253B1 (ja) | 2002-07-08 |
| EP1019746B1 (de) | 2007-03-14 |
| WO2000005598A2 (en) | 2000-02-03 |
| EP1019746A2 (de) | 2000-07-19 |
| WO2000005598A9 (en) | 2000-10-12 |
| KR20010023592A (ko) | 2001-03-26 |
| US6097328A (en) | 2000-08-01 |
| DE69935492D1 (de) | 2007-04-26 |
| KR100362489B1 (ko) | 2002-11-25 |
| WO2000005598A3 (en) | 2000-04-27 |
| IL134836A0 (en) | 2001-05-20 |
| DE69935492T2 (de) | 2007-11-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Ferretti et al. | Multibaseline InSAR DEM reconstruction: The wavelet approach | |
| Lee et al. | A new technique for noise filtering of SAR interferometric phase images | |
| Pearson et al. | Image formation by self-calibration in radio astronomy | |
| US6097328A (en) | Averaging-area-constrained adaptive interferometric filter that optimizes combined coherent and noncoherent averaging | |
| CA2767144A1 (en) | Process for filtering interferograms obtained from sar images acquired on the same area | |
| Mercier et al. | Combining visibilities from the giant meterwave radio telescope and the Nancay radio heliograph-High dynamic range snapshot images of the solar corona at 327 MHz | |
| CN109886910B (zh) | 外部数字高程模型dem修正方法及装置 | |
| CN118607263B (zh) | 一种星载gnss-r高时空分辨率土壤湿度反演方法与系统 | |
| CN118244269A (zh) | 一种大范围森林高度反演方法、装置、设备及介质 | |
| Refice et al. | MST-based stepwise connection strategies for multipass radar data, with application to coregistration and equalization | |
| Ellerbroek et al. | Comparison of Shack-Hartmann wavefront sensing and phase-diverse phase retrieval | |
| Ferrari et al. | Distributed image reconstruction for very large arrays in radio astronomy | |
| Frankot | Interferometric SAR adaptive filtering method for improved yield and detail | |
| Greenaway | Self-calibrating dilute-aperture optics | |
| Johnston et al. | Estimating the contribution of different parts of the atmosphere to optical wavefront aberration | |
| CN112835042A (zh) | 一种基于迭代分解的大气信号改正方法 | |
| Lim et al. | Autofocus algorithms performance evaluations using an integrated SAR product simulator and processor | |
| Ghanekar et al. | An irrotationality preserving total variation algorithm for phase unwrapping | |
| Abi-Rizk et al. | Non-stationary hyperspectral forward model and high-resolution | |
| Mu et al. | Modifying of the coherence estimator for interferometric SAR | |
| Bao et al. | An improved least-squares method for INSAR phase unwrapping | |
| Abdelfattah et al. | Coherence estimation from complex coherence map using second kind statistics | |
| Give'on et al. | High-frequency folding and optimal phase conjugation for high-contrast adaptive optics | |
| West et al. | Convex optimization of subspace fitting autofocus for stripmap SAR images | |
| Staveley-Smith et al. | Murriyang cryogenic phased array feed: spectral-line results and noise-reduction methods |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FF | Patent granted | ||
| MM9K | Patent not in force due to non-payment of renewal fees |