STUDY ON IMPACT OF ANTENNA PHASE CENTEROFFSETS,VARIATION AND THEIR CORRECTION MODELS ON GPS PRECISE POINT POSITIONING ACCURACY
Tu Rui 1) ; Huang Guanwen 1) ;and Zou Shun 2)
1)College of Geology Engineering and Geomatics,Chang’an University,Xi’an 7100542)College of Haiway,Chang’an University,Xi’an 710064
Abstract Firstly,the methods and models for correcting antenna phase center offsets(PCO) and phase center variations(PCV) in highaccuracy GPS positioning are introduced,then using precise point positioning procedures the measured data of IGS stations are calculated and analyzed.The results show that in horizontal direction, PCO and PCV less influence on precise point positioning precision,while in elevation direction, PCV brings about cm level effect and the effect of PCO is in 5 mm.Compared with the relative antenna phase correction model,the absolute phase correction model has more advantages, especially in high precision GPS clocking.
Key words ：
antenna
phase center offset(PCO)
phase center variation(PCV)
correction model
precise point positioning(PPP)
Received: 01 January 1900
Corresponding Authors:
Tu Rui
Cite this article:
Tu Rui ,Huang Guanwen ,and Zou Shun . STUDY ON IMPACT OF ANTENNA PHASE CENTEROFFSETS,VARIATION AND THEIR CORRECTION MODELS ON GPS PRECISE POINT POSITIONING ACCURACY[J]. , 2010, 30(第3期): 113-117.
Tu Rui ,Huang Guanwen ,and Zou Shun . STUDY ON IMPACT OF ANTENNA PHASE CENTEROFFSETS,VARIATION AND THEIR CORRECTION MODELS ON GPS PRECISE POINT POSITIONING ACCURACY[J]. jgg, 2010, 30(第3期): 113-117.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2010/V30/I第3期/113
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