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《Science of Surveying and Mapping》 2016-01
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Measuring subsidence of transport infrastructure with high resolution PS-InSAR

LIU Xiaolong;SONG Weidong;ZHNAG Yonghong;WU Hong-an;School of Geomatics of Liaoning Technical University;Chinese Academy of Surveying and Mapping;Changchun Institute of Surveying and Mapping;  
Aiming at the problem that conventional survey methods are time-consuming and laborious,difficult to quickly complete the deformation monitoring on large transport infrastructure,this paper studied on large transport Infrastructures deformation monitoring using PS-InSAR based on high resolution SAR Images:a dataset of 27 scenes 3mresolution TerraSAR-X data acquired between 2009 to 2010was selected to extract the surface deformation information of the area along the the main traffic trunk line in Tianjin west edge based on PS-InSAR technology.Results demonstrated that:high-resolution SAR images could be used to monitor road,rail and other transportation facilities,and the derived deformation showed good agreement with the leveling data;moreover,there existed several large centers of subsidence in the study area,subjecting some transport facilities to larger subsidence.
【Fund】: 国家863计划项目(2011AA120402);; 国家927计划项目(A1937)
【CateGory Index】: TU196.1
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