| DEM FROM SAR:PRINCIPLE AND APPLICATION |
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| 作者姓名： | Li Deren and Yang Jie |
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| 作者单位： | National Laboratory for Information Engineering in Survey，Mapping and Remote Sensing，Wuhan University Luoyu Road 129，Wuhan 430079，P. R. China |
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| 基金项目： | TheprojectissupportedbytheNationalNaturalScienceFoundationofChina(No:40 0 2 3 0 0 4) |
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| 摘 要： | 1 IntroductionWiththetechnologicalimprovementsofradarimagerysystems,thescientificcommunitieshavebetteropportunitiestostudyapplicationsinvariousremotesensingfieldssuchasoceanography ,geolo gy ,atmosphere ,cartography ,environmentsurveil lance .Theseresearchstudieshaveacommonobjec tive:toknowmoreabouttheearth’senvironmentandtheinaccessiblecelestialobjectsmoreprecisely .Cartographicinformationisimportantformanyfields:theterritorydevelopmentanddefense ,theforestforecasts,theminingresources,etc.F…
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DEM FROM SAR:PRINCIPLE AND APPLICATION |
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| Li Deren and Yang Jie.DEM FROM SAR:PRINCIPLE AND APPLICATION[J].Journal of Geodesy and Geodynamics,2003,23(Z1). |
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| Authors: | Li Deren Yang Jie |
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| Abstract: | The paper gives an overview of the principle and application of generating DEM from SAR, including the principle and processing flow of generating DEM from single SAR and SAR interferometry. Afterwards, the application fields of InSAR for terrain surveying, volcanic terrain surveying and D-InSAR for monitoring ground subsiding are listed and described as well. The problem and prospect of application are also pointed out in the last part of this paper. |
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| Keywords: | synthetic aperture radar interferometry (InSAR) differential interferometry synthetic aperture radar (D-InSAR) digital elevation model(DEM) ground subsidence monitoring |
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