Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/7241
Title: CVVF方法用于GPS多路径效应的研究
Other Titles: Study of GPS multipath effects with method of CVVF
Authors: Zhong, P
Ding, XL 
Zheng, DW
Keywords: Cross-validation
Vondrak filtering
GPS
Multipath effects
Issue Date: 2005
Publisher: 測繪出版社
Source: 测绘学报, May 2005, v. 34, no. 2, p. 161-167
Acta geodaetica et cartographic sinica, May 2005, v. 34, no. 2, p. 161-167 How to cite?
Journal: Acta geodaetica et cartographica sinica 
Abstract: 将交叉证认法与Vondrak数字滤波器相组合,提出一种分离测量资料中信号与噪声的新方法,即CVVF方法,并将该方法用于GPS多路径效应的研究中。对数字模拟试验和实际观测资料的分析表明,该方法能最大限度地削弱测量的随机误差,使资料序列中的信号和噪声合理分离。同时,利用GPS多路径效应周期性重复的特性,可有效地削弱多路径效应对观测结果的影响,从而提高GPS定位精度。
A new data filtering method named CVVF method, based on Vondrak filter and the technique of cross-validation, is developed for separating signal and noise in data series, and applied to study of GPS multipath effects. Numerical simulation studies and real experiments indicate that the method is a powerful signal decomposer, which can significantly mitigate the random error of measurement and separate successfully signal and noise. The day-to-day repeating property of GPS multipath signal can be applied to remove efficiently the multipath disturbances in the subsequent day’s GPS measurement, and therefore improve the quality of the GPS coordinate results. 
URI: http://hdl.handle.net/10397/7241
ISSN: 1001-1595
Rights: © 2005 中国学术期刊电子杂志出版社。本内容的使用仅限于教育、科研之目的。
© 2005 China Academic Journal Electronic Publishing House. It is to be used strictly for educational and research use.
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