基于Sentinel-1升、降轨合成孔径雷达(SAR)数据,利用SAR差分干涉测量(D-InSAR)、像素偏移量追踪(POT)技术,获取了2022-01-08青海门源Ms 6.9地震多角度地表形变,并采用三维形变估算模型提取了三维同震形变场。结果表明:(1)升、降轨D-InSAR最大形变分别为0.56 m和0.6 m
Antonio Pepe,Riccardo Lanari.On the Extension of the Minimum Cost Flow Algorithm for Phase Unwrapping of Multitemporal Differential SAR Interferograms.[J].IEEE Trans. Geoscience and Remote Sensing,2006.
George E. Hilley,Roland Bürgmann,Alessandro Ferretti,Fabrizio Novali,Fabio Rocca.Dynamics of Slow-Moving Landslides from Permanent Scatterer Analysis[J].Science,2004.
Tim J. Wright,Barry E. Parsons,Zhong Lu.Toward mapping surface deformation in three dimensions using InSAR[J].Geophysical Research Letters,2004.
Strozzi T.,Luckman A.,Murray T.,Wegmuller U.,Werner C.L..Glacier motion estimation using SAR offset-tracking procedures[J].IEEE Transactions on Geoscience and Remote Sensing,2002.
Andrew K. Gabriel,Richard M. Goldstein,Howard A. Zebker.Mapping small elevation changes over large areas: Differential radar interferometry[J].Journal of Geophysical Research: Solid Earth,1989(B7).