ACCURACY ANALYSIS OF THIRD-ORDER GPS GEODETIC NETWORK BASED ON GNSS STATION
Cheng Guangyi;Zhang Haidong;Chen Yongxiang;Zhang Yingli ;and Zhao Shufen
Xi’an Division of Surveying and Mapping, Xi’an 710054
Abstract With the use of Continuous Operating Reference Station(CORT) technology in geodesy of large scale,it plays a key role in station distribution and data processing of the thirdorder GPS geodetic network. This technology not only accelerates the construction speed, increases the network flexibility, but also ensures the initial control and calculation accuracy. Compared with the previous situation, the CORT distribution density increased to 10 times totally, in key areas increased to 100 times. The observing means also have very great changes. On basis of the station of Chinese crustal motion network and CORT, the calculation and accuracy statistics of the thirdorder GPS geodetic network had been carried out in different areas. By contrast, the latter has the higher accuracy of thirdorder GPS geodetic network.
Key words ：
CMONOC(Crustal Movement Observation Network of China)
Chinese crustal motion network
Continuous Operating Reference Station(CORT)
thirdorder GPS geodetic network
data processing
Received: 01 January 1900
Corresponding Authors:
Cheng Guangyi
Cite this article:
Cheng Guangyi,Zhang Haidong,Chen Yongxiang et al. ACCURACY ANALYSIS OF THIRD-ORDER GPS GEODETIC NETWORK BASED ON GNSS STATION[J]. , 2011, 31(6): 89-93.
Cheng Guangyi,Zhang Haidong,Chen Yongxiang et al. ACCURACY ANALYSIS OF THIRD-ORDER GPS GEODETIC NETWORK BASED ON GNSS STATION[J]. jgg, 2011, 31(6): 89-93.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2011/V31/I6/89
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