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Optimum selection of common master image for ground deformation monitoring based on PS-DInSAR technique 被引量:6
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作者 Zhu Zhengwei Zhou Jianjiang 《Journal of Systems Engineering and Electronics》 SCIE EI CSCD 2009年第6期1213-1220,共8页
Considering the joint effects of various factors such as temporal baseline, spatial baseline, thermal noise, the difference of Doppler centroid frequency and the error of data processing on the interference correlatio... Considering the joint effects of various factors such as temporal baseline, spatial baseline, thermal noise, the difference of Doppler centroid frequency and the error of data processing on the interference correlation, an optimum selection method of common master images for ground deformation monitoring based on the permanent scatterer and differential SAR interferometry (PS-DInSAR) technique is proposed, in which the joint correlation coeficient is used as the evaluation function. The principle and realization method of PS-DInSAR technology is introduced, the factors affecting the DInSAR correlation are analysed, and the joint correlation function model and its solution are presented. Finally an experiment for the optimum selection of common master images is performed by using 25 SAR images over Shanghai taken by the ERS-1/2 as test data. The results indicate that the optimum selection method for PS-DInSAR common master images is effective and reliable. 展开更多
关键词 remote sensing ground deformation monitoring differential SAR interferometry common master image permanent scatterer synthetic aperture radar image analysis.
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