Proceedings of the Korean Institute of Navigation and Port Research Conference (한국항해항만학회:학술대회논문집)

Korean Institute of Navigation and Port Research (한국항해항만학회)
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GPS phase measurement cycle-slip detection based on a new wavelet function

  • Zuoya, Zheng (Key Laboratory of Geomatics and Digital Technology, Shandong University of Science and Technology, Department of Land Surveying and Geo-informatics, The Hong Kong Polytechnic University) ;
  • Xiushan, Lu (Key Laboratory of Geomatics and Digital Technology, Shandong University of Science and Technology) ;
  • Xinzhou, Wang (Key Laboratory of Geomatics and Digital Technology, Shandong University of Science and Technology) ;
  • Chuanfa, Chen (Key Laboratory of Geomatics and Digital Technology, Shandong University of Science and Technology)
  • Published : 2006.10.18
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Abstract

Presently, cycle-slip detection is done between adjacent two points in many cycle-slip methods. Inherently, it is simple wavelet analysis. A new idea is put forward that the number of difference point can adjust by a parameter factor; we study this method to smooth raw data and detect cycle-slip with wavelet analysis. Taking CHAMP satellite data for example, we get some significant conclusions. It is showed that it is valid to detect cycle-slip in GPS phase measurement based on this wavelet function, and it is helpful to improve the precision of GPS data pre-processing and positioning.

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