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《Journal of Geodesy and Geodynamics》 2012-01
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STUDY ON METHOD BASED ON GPS FOR CORRECTING INSAR ATMOSPHERIC DELAY

Ju Chengyu1),Shi Yan2),Sun Jianyong1),Wu jianguang1) and Deng Kazhong3)( 1)Henan Electric Power Survey & Design Institute,Zhengzhou 450007 2)Zhengzhou Trade and Industry School,Zhengzhou 450007 3)School of Environment Science and Spatial Informatics,CUMT,Xuzhou 221116)  
The atmospheric delay has limited the application of InSAR in the field of deformation monitoring and so on. On the basis of relationship and difference of the spatial resolution of the GPS and InSAR atmospheric delay,optimizing LSSVM parameters by the PSO algorithm,and interpolating the GPS atmospheric delay,then correcting the InSAR atmospheric delay are carried out pixel by pixel.Through the experiment and analysis,the InSAR atmospheric delay could be corrected about 30 mm by GPS to improve the InSAR precision in the experiment region.
【CateGory Index】: P412.27
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