多孔径InSAR技术电离层校正方法及二维形变场应用研究——以玉树地震为例
摘要
差分合成孔径雷达干涉测量技术只能监测地表在雷达视线方向上的一维形变,这极大的限制了其发展和应用.本文详细介绍了一种利用单对干涉影像监测地表二维形变的方法——多孔径InSAR(MAI)技术,研究了基线误差和电离层对该技术的影响,发展了利用顾及方向性的滤波和插值方法改正电离层的影响.最后,以2010年玉树地震为研究对象,利用两景PALSAR影像给出了地表的同震二维形变场.研究结果表明,MAI技术要明显优于传统的灰度偏移量法,在同震形变监测和震源参数反演中具有巨大的潜力.
引文
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28Li Z W,Ding X L,Huang C,et al.Filtering method for radar interferogram with strong noise.Int J Remote Sens,2006,27:2991-3000
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30Goldstein R M,Zebker H A,Werner C L.Satellite radar interferometry:Two-dimensional phase unwrapping.Rad Sci,1998,23:713-720
31Tobita M,Nishimura T,Kobayashi T,et al.Estimation of coseismic deformation and a fault model of the2010Yushu earthquake using PALSAR interferometry data.Earth Planet Sci Lett,2011,307:430-438
32Li Z H,Elliott J R,Feng W P,et al.The2010Mw6.8Yushu(Qinghai,China)earthquake:Constraints provided by InSAR and body wave seismology.J Geophys Res,2011,116,doi:10.1029/2011JB008358
33Journel A G,Kyriakidis P C,Mao S G.Correcting the smoothing effect of estimators:A spectral postprocessor.Math Geol,2000,32:787-813
34常利军,丁志峰,王椿镛.2010年玉树7.1级地震震源区横波分裂的变化特征.地球物理学报,2010,53:2613-2619,doi:10.3969/j.issn.0001-5733.2010.11.009
35胡俊,李志伟,朱建军,等.融合升降轨SAR干涉相位和幅度信息揭示地表三维形变场的研究.中国科学:地球科学,2010,40:307-318
2廖明生,林珲.雷达干涉测量学:原理与信号处理基础.北京:测绘出版社,2003
3Zebker H A,Villasenor J.Decorrelation in interferometric radar echoes.IEEE Trans Geosci Remote Sensing,1992,30:950-959
4Hanssen R H.Radar Interferometry:Data Interpretation and Error Analysis.Netherlands:Kluwer Academic Publishers,2001
5Ding X L,Li Z W,Zhu J J,et al.Atmospheric effects on InSAR measurements and their mitigations.Sensors,2008,8:5426-5448
6Wright T J,Parsons B E,Lu Z.Toward mapping surface deformation in three dimensions using InSAR.Geophys Res Lett,2004,31,doi:10.1029/2003gl018827
7Ferretti A,Prati C,Rocca F.Permanent scatterers in SAR interferometry.IEEE Trans Geosci Remote Sensing,2001,39:8-20
8Berardino P,Fornaro G,Lanari R,et al.A new algorithm for surface deformation monitoring based on small baseline differential SAR interferograms.IEEE Trans Geosci Remote Sensing,2002,40:2375-2383
9Rocca F.3D motion recovery from multiangle and/or left right interferometry.In:Proceedings of the Third International Workshop on ERS SAR,2003
10Michel R,Avouac J P.Measuring ground displacements from SAR amplitude images:Application to the landers earthquake.Geophys Res Lett,1999,26:875-878
11Hu J,Li Z W,Ding X L,et al.Two-dimensional co-seismic surface displacements field of the Chi-Chi earthquake inferred from SAR image matching.Sensors,2008,8:6484-6495
12Strozzi T,Kouraev A,Wiesmann A,et al.Estimation of arctic glacier motion with satellite L-band SAR data.Remote Sens Environ,2008,112:636-645
13Werner C,Wegmuller U,Strozzi T,et al.Precision estimation of local offsets between pairs of SAR SLCs and detected SAR images.In:International Geoscience and Remote Sensing Symposium,Seoul,Korea,2005.4803-4805
14Bechor N B D,Zebker H A.Measuring two-dimensional movements using a single InSAR pair.Geophys Res Lett,2006,33,doi:10.1029/2006GL026883
15Jung H S,Won J S,Kim S W.An improvement of the performance of multiple-aperture SAR interferometry(MAI).IEEE Trans Geosci Remote Sensing,2009,47:2859-2869
16Jung H S,Lu Z,Won J S,et al.Mapping three-dimensional surface deformation by combining multiple-aperture interferometry and conventional interferometry:Application to the June2007eruption of Kilauea Volcano,Hawaii.IEEE Geosci Remote Sensing Lett,2011,8:34-38
17Gourmelen N,Kin S W,Shepherd A,et al.Ice velocity determined using conventional and multiple-aperture InSAR.Earth Planet Sci Lett,2011,307:156-160
18Gatelli F,Guarnieri A M,Parizzi F,et al.The wavenumber shift in SAR interferometry.IEEE Trans Geosci Remote Sensing,1994,32:855-864
19Rodriguez E,Martin J M.Theory and desgin of interferometric synthetic aperture radars.Proc Inst Elect Electron Engineers-Radar Sig Processing,1992,139:147-159
20Sandwell D T,Price E J.Phase gradient approach to stacking interferograms.J Geophys Res,1998,103:30183-30204
21Li Z W,Ding X L,Huang C,et al.Modeling of atmospheric effects on InSAR measurements by incorporating terrain elevation information.J Atmos Sol-Terr Phys,2006,68:1189-1194
22许文斌,李志伟,丁晓利,等.利用MERIS水汽数据改正ASAR干涉图中的大气影响.地球物理学报,2010,53:1073-1084,doi:10.3969/j.issn.0001-5733.2010.05.007
23Wegmuller U,Werner C,Strozzi T,et al.Ionospheric electron concentration effects on SAR and INSAR.In:Proceedings of IGARSS2006,Denver,USA,July31-August4,2006.3714-3717
24陈艳玲,黄珹,王小亚,等.电离层对SAR干涉测量的影响综述.地球物理学进展,2010,25:823-830
25Gray A L,Mattar D E,Sofko G.Influence of ionospheric electron density fluctuations on satellite radar interferometry.Geophys Res Lett,2000,27:1451-1454
26郭华东,王心源,李新武,等.多模式SAR玉树地震协同分析.科学通报,2010,55:1195-1199
27刘云华,单新建,屈春燕,等.青海玉树Ms7.1级地震地表形变场特征研究.中国科学:地球科学,2010,40:1310-1320
28Li Z W,Ding X L,Huang C,et al.Filtering method for radar interferogram with strong noise.Int J Remote Sens,2006,27:2991-3000
29Li Z W,Ding X L,Zheng D W,et al.Least squares based filter for remote sensing image noise reduction.IEEE Trans Geosci Remote Sensing,2008,46:2044-2049
30Goldstein R M,Zebker H A,Werner C L.Satellite radar interferometry:Two-dimensional phase unwrapping.Rad Sci,1998,23:713-720
31Tobita M,Nishimura T,Kobayashi T,et al.Estimation of coseismic deformation and a fault model of the2010Yushu earthquake using PALSAR interferometry data.Earth Planet Sci Lett,2011,307:430-438
32Li Z H,Elliott J R,Feng W P,et al.The2010Mw6.8Yushu(Qinghai,China)earthquake:Constraints provided by InSAR and body wave seismology.J Geophys Res,2011,116,doi:10.1029/2011JB008358
33Journel A G,Kyriakidis P C,Mao S G.Correcting the smoothing effect of estimators:A spectral postprocessor.Math Geol,2000,32:787-813
34常利军,丁志峰,王椿镛.2010年玉树7.1级地震震源区横波分裂的变化特征.地球物理学报,2010,53:2613-2619,doi:10.3969/j.issn.0001-5733.2010.11.009
35胡俊,李志伟,朱建军,等.融合升降轨SAR干涉相位和幅度信息揭示地表三维形变场的研究.中国科学:地球科学,2010,40:307-318
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