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The co-seismic deformation reserch using D-InSAR observation

JING Yan~①,WANG Jian-jun~①,ZHANG Jing-fa~①,ZHANG Hong~②,JIANG Lin-gen~①(①Institute of crust dynamics,China Seismological bureau,Beijing 100085,China;②Institute of Remote Sensing Applications,Chinese Academy of Sciences,Beijing 100101,China)  
Differential Interferometric Synthetic Aperture Radar becomesa popular observation on the deformation of crustal surface because of the minimum constraints on time-of-day and atmospheric condition and because of the unique responses of terrain and cultural targets to radar frequencies. Although InSAR is a very important method to obtain the DEM of the earth,the precise crustd eformation of great areas can be observed by using the D-InSAR observation.Aswhich is used in the reserch on co-seismic deformation,D-InSAR will be used more extensively on other new scopes,such as terrain mapping,land subsidence,landslide,volcano eruption,and glacier motion.As the asic theory is depicted first,how D-InSAR to be used in the research on coseismic deformation,and its prospect are the important parts in this paper.
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