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	Systematic multi-frequency positioning algorithms and performance analysis for GNSS receivers
	Liu Jiaxing ; Lu Mingquan ; Cui Xiaowei ; Feng Zhenming
	2010-10-12 ; 2010-10-12
关键词	Practical Theoretical or Mathematical/ multipath channels position measurement satellite navigation/ systematic multi-frequency positioning algorithms GNSS receivers measurement errors positioning accuracy multipath error/ B6250G Satellite communication systems B6330 Radionavigation and direction finding
中文摘要	The known multi-frequency positioning algorithms neglected the correlations of the measurement errors and were lack of performance analysis. This paper introduces systematic dual-frequency and triple-frequency positioning algorithms, concerning the correlations of the multi-frequency signals, and defines multi-frequency dilution of precision parameters to compare the positioning accuracies. The variance of the multipath error and receiver measurement error is the key factor for multi- frequency positioning accuracy. Under normal conditions, dual-frequency accuracy is worse than single-frequency accuracy with the variance larger than 3.18 m/sup 2/, and triple- frequency accuracy is worse than single-frequency accuracy with the variance larger than 4.56 m/sup 2/. Multi-frequency GNSS receivers should be designed and used to reduce multipath effect as much as possible.
语种	英语
出版者	Chinese Institute of Electronics ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/82760]
专题	清华大学
推荐引用方式 GB/T 7714	Liu Jiaxing,Lu Mingquan,Cui Xiaowei,et al. Systematic multi-frequency positioning algorithms and performance analysis for GNSS receivers[J],2010, 2010.
APA	Liu Jiaxing,Lu Mingquan,Cui Xiaowei,&Feng Zhenming.(2010).Systematic multi-frequency positioning algorithms and performance analysis for GNSS receivers..
MLA	Liu Jiaxing,et al."Systematic multi-frequency positioning algorithms and performance analysis for GNSS receivers".(2010).

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