BEIDOU TRIPLEFREQUENCY RELATIVE POSITIONING BASED
ON TCCAR METHOD
Institute of Earth Space Information,Department of Civil Engineering,Tsinghua University,Beijing 100084
Abstract Based on the triplefrequency carrier phase combination observation,this paper propose a simple and efficient single epoch ambiguity fixing method(TCCAR)which can be successfully used to the Beidou triplefrequency rapid relative positioning.In relative positioning,the main problems of traditional lambda search method are cycle slip detection,ambiguity fixing and long search time.TCCAR method could quickly fix the ambiguity by the three combinations of extra wide lane,and also this method could avoid cycle slip problem because it’s a single epoch solution.By processing the real data received at 10 May 2013 on the roof of a building at Tsinghua University,TCCAR method could improve the 44.91% of the solve speed than the LAMBDA search resolution.Finally the triplefrequency relative positioning accuracy could achieve mm level for a 15.26m baseline.
Key words :
Beidou satellite navigation system
triple-frequency combination ambiguity fixing
relative positioning
mm-level accuracy
three carrier combination ambiguity resolution (TCCAR)
Received: 09 June 2013
Published: 22 July 2014
Cite this article:
Yuan Rong,Bai Zhengdong,Guo Jingjun. BEIDOU TRIPLEFREQUENCY RELATIVE POSITIONING BASED
ON TCCAR METHOD[J]. jgg, 2014, 34(4): 106-109.
Yuan Rong,Bai Zhengdong,Guo Jingjun. BEIDOU TRIPLEFREQUENCY RELATIVE POSITIONING BASED
ON TCCAR METHOD[J]. jgg, 2014, 34(4): 106-109.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2014/V34/I4/106
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