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《Crustal Deformation and Earthquake》 2002-02
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PRINCIPLE AND APPLICATIONS OF EXTRACTING DEM FROM SAR

Li Deren and Yang Jie\;(National Laboratory for Information Engineering in Surveying and Mapping and Remote Sensing,Wuhan Univ., Wuhan\ 430079)  
The principle and application of DEM extracion for SAR image is overviewed in this paper.The differences between SAR and common photogrammetry and remote sensing are analysied,then the principle and processing flow of extracting DEM from single SAR and interferometry SAR is introduced particularly . Afterward, listing the application fields of INSAR to terrain surveying, volcanic terrain surveying and D-INSAR for monitoring ground subsiding and the existing problem and application envisions are also presented in the last part of this paper.
【Fund】: 国家自然科学基金资助项目 (4 0 0 2 3 0 0 4)资助
【CateGory Index】: P225.1
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