DETECTING CYCLE SLLIPS IN GPS SINGLE FREQUENCY CARRIER PHASE USING AN ADAPTIVE FILTER
Cao Yizhi 1) ;Sui Lifen 1) ;and Wang Wei 2)
1)Institute of Surveying and Mapping, Information Engineering University, Zhengzhou 4500522)61741 Troops,Beijing 100081
Abstract Using a twostage adaptive filter with GPS Doppler measurments to estimate L1 carrier phase, and then the whitening residuals of L1 carrier phase can be obtained comparing it with the actual carrier phase measuments,and considering time correlation of highrate GPS carrier phase measuments error.Finally,by using the whitening residuals the cycle slips in GPS single frequency carrier phase will be detected and repaired. The method is fit for highrate single frequency GPS data. A test using 1 Hz dynamic GPS data reveals that it can detect very small cycle slips.
Key words ：
single frequency GPS
cycle slips detecting
adaptive filter
Doppler measurments
carrier phase
Received: 01 January 1900
Corresponding Authors:
Cao Yizhi
Cite this article:
Cao Yizhi ,Sui Lifen ,and Wang Wei . DETECTING CYCLE SLLIPS IN GPS SINGLE FREQUENCY CARRIER PHASE USING AN ADAPTIVE FILTER[J]. , 2009, 29(4): 83-87.
Cao Yizhi ,Sui Lifen ,and Wang Wei . DETECTING CYCLE SLLIPS IN GPS SINGLE FREQUENCY CARRIER PHASE USING AN ADAPTIVE FILTER[J]. jgg, 2009, 29(4): 83-87.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2009/V29/I4/83
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