HVF METHOD AND ITS APPLICATION IN THE STUDY ON GPS MULTIPATH EFFECTS
Zhou Xiaowei; Dai Wujiao; Zhu Jianjun; and Zou Zhengrong
Department of Survey Engineering and Geomatics, Central South University, Changsha 410083
Abstract The Vondrak filtering method based on the Helmert type variance component estimation(HVF) is presented and applied to the study on GPS multipath effects. The experiments indicate that the method can select reasonably the smoothing Vondrak factor, reduce significantly the random error of measurement and separate successfully signal and noise. The daytoday repeating property of GPS multipath signal can be applied to remove efficiently the multipath disturbances in the consecutive GPS measurement, and therefore improve the quality of GPS coordinate results.
Key words ：
Vondrak filter
smoothing factor
Helmert type variance component estimate
GPS
multipath effects
Received: 01 January 1900
Corresponding Authors:
Zhou Xiaowei
Cite this article:
Zhou Xiaowei,Dai Wujiao,Zhu Jianjun et al. HVF METHOD AND ITS APPLICATION IN THE STUDY ON GPS MULTIPATH EFFECTS[J]. , 2007, 27(1): 107-111.
Zhou Xiaowei,Dai Wujiao,Zhu Jianjun et al. HVF METHOD AND ITS APPLICATION IN THE STUDY ON GPS MULTIPATH EFFECTS[J]. jgg, 2007, 27(1): 107-111.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2007/V27/I1/107
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