PRECISE POINT POSITIONING BASED ON TROPOSPHERIC REFRACTION CORS
Nie Jianliang 1) ;Zhang Shuangcheng 1) ;Wang Yueli 2) ; and Zhang Yufang 2)
1)School of Geological and Surveying Engineering, Chang’an University, Xi’an 7100542)The First Institute of AeroPhotogrammetry and Remote Sensing, SBSM, Xi’an 710054
Abstract The tropospheric refraction in the position of a GPS receiver is computed with fitting the tropospheric refraction of CORS, but the accuracy which is estimated with the available tropospheric model is low. The tropospheric refraction is gained by fitting its grids in CORS, so the accuracy can be improved. Taking the data of WUHN as an example, it is shown that the accuracy of U is better than that with estimating by tropospheric model, and is similar with the results of parameter estimation.This way is easy for the tropospheric refraction because it has been provided before computing the results of the GPS receiver.
Key words ：
Precise Point Positioning (PPP)
CORS
tropospheric refraction
zneith delay
parameter estimation
Received: 01 January 1900
Corresponding Authors:
Nie Jianliang
Cite this article:
Nie Jianliang ,Zhang Shuangcheng ,Wang Yueli et al. PRECISE POINT POSITIONING BASED ON TROPOSPHERIC REFRACTION CORS[J]. , 2010, 30(2): 91-94.
Nie Jianliang ,Zhang Shuangcheng ,Wang Yueli et al. PRECISE POINT POSITIONING BASED ON TROPOSPHERIC REFRACTION CORS[J]. jgg, 2010, 30(2): 91-94.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2010/V30/I2/91
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