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The study about comparison of zenith tropospheric delay interpolation methods based on different terrain
Wang, Yong ; Liu, Yan-Ping ; Qin, Li-Qiong ; Gen, Chao ; Hu, Xiaogang
2010
英文摘要It is one of the key issues to further enhance the accuracy of interferometry that how to effectively improve the atmospheric effects in InSAR. Using GPS technique to correct atmospheric delay of InSAR, it is the most effective method to correct InSAR atmospheric delay with the use of external data. By using the GPS data of Beijing and Wuhan, it is adopted Inverse Distance to a Power and Kriging interpolation methods to study the effect on tropospheric delay interpolation among different terrain. It is concluded that there are the same effect between inverse distance to a Power method and Kriging interpolation method. The effects on tropospheric delay interpolation are different between Wuhan and Beijing. The interpolation effect in Wuhan region amounts to millimeters, while it differs from the effect of Beijing. It can be going to millimeter in the flat country, while it goes to centimeter in mountain area. It should be conducted terrain correction for interpolation in order to apply the atmospheric correction of InSAR with GPS zenith tropospheric delay. ? 2010 IEEE.; EI; 0
语种英语
DOI标识10.1109/APWCS.2010.59
内容类型其他
源URL[http://ir.pku.edu.cn/handle/20.500.11897/312463]  
专题地球与空间科学学院
推荐引用方式
GB/T 7714
Wang, Yong,Liu, Yan-Ping,Qin, Li-Qiong,et al. The study about comparison of zenith tropospheric delay interpolation methods based on different terrain. 2010-01-01.
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