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《Journal of Geodesy and Geodynamics》 2011-03
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RESEARCH ON CALCULATION METHODS OF ZENITH TROPOSPHERIC DELAY

Zhu Shuang,Yao Yibin and Zhang Rui(School of Geodesy and Geomatics,Wuhan University,Wuhan 430079)  
On the basic of theory of PPP(Precise Point Positioning),we developed a program to calculate the ZTD,then we used the program and GAMIT to process the real observations.Compared the results with the data provided by the IGS,it is found that two methods both have high accuracy.Howver,the process results without far-away station data are of very low accuracy,it shows the advantage of Precise Point Positioning in the calculation of ZTD.
【Fund】: 国家自然科学基金(40774008);; 中央高校基本科研业务费专项资金
【CateGory Index】: P228.4
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