Influence of the Tropospheric Mapping Function on the Accuracy of CMONOC Solution

doi:10.13474/j.cnki.11-2246.2017.0143

测绘通报 ›› 2017, Vol. 0 ›› Issue (5): 6-10.doi: 10.13474/j.cnki.11-2246.2017.0143

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Influence of the Tropospheric Mapping Function on the Accuracy of CMONOC Solution

LIU Zongqiang^1,2, DANG Yamin^1,2, YANG Qiang², ZHANG Guangru², WANG Jian^1,2, YUE Caiya^1,2

1. College of Geomatics, Shandong University of Science and Technology, Qingdao 266590, China;
2. Chinese Academy of Surveying and Mapping, Beijing 100830, China

Received:2016-12-07 Revised:2017-01-09 Online:2017-05-25 Published:2017-06-03

Abstract

Abstract: The tropospheric mapping function is a function in regard to the height angle and other factors, which has a direct influence on the tropospheric delay correction. This paper introduced NMF,VMF1 and GMF models,used GAMIT/GLOBK calculate the data of CMONOC and some IGS stations around China,compared and analyzed from the aspect of the effects of three kinds of mapping function to the accuracy of CMONOC solution.The results show that the accuracy of the three mapping function models is not very different, and the accuracy is the best when the height angle is 10 degrees.

Key words: tropospheric, mapping function, CMONOC, cut-off height angle

CLC Number:

P228

LIU Zongqiang, DANG Yamin, YANG Qiang, ZHANG Guangru, WANG Jian, YUE Caiya. Influence of the Tropospheric Mapping Function on the Accuracy of CMONOC Solution[J]. 测绘通报, 2017, 0(5): 6-10.

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Influence of the Tropospheric Mapping Function on the Accuracy of CMONOC Solution

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