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Title: 顾及卫星钟差插值误差的GPS精密单点定位观测值随机模型
Other Titles: An Improved Stochastic Model Considering Satellite Clock Interpolation Error in GPS Precise Point Positioning
Authors: Yi, Z
Zhu, J
Chen, YQ 
Dai, W
Keywords: Precise point positioning
Satellite clock
Interpolation error
Stochastic model
Issue Date: 2010
Publisher: 武汉大学期刋社
Source: 武汉大学学报. 信息科学版 (Geomatics and information science of Wuhan University), Oct. 2010, v. 35, no. 10, p. 1165-1168 How to cite?
Journal: 武汉大学学报. 信息科学版 (Geomatics and information science of Wuhan University) 
Abstract: 针对GPS精密单点定位中观测值随机模型中没有考虑卫星钟差插值误差,提出了一种顾及卫星钟差插值误差的观测值随机模型。实验结果表明,对于精密单点定位中使用的卫星钟差节点时间间隔较大的产品(如5 min),考虑钟差插值误差的观测值随机模型能够显著地削弱卫星钟差插值引起的误差,而对于使用卫星钟差节点时间间隔较小的产品(如30 s),效果就不明显,符合GPS卫星钟差插值误差的特性。
In Present,there is no consideration for GPS satellite clock interpolation error in the observation stochastic model in Precise Point Positioning.An improved stochastic model considering the satellite clock interpolation error has been proposed.Experiments shown that this model could reduce the satellite clock interpolation error dramatically for larger time interval clock product(e.g.5 min) while has little improvement for small time interval product(e.g.30 s).The result accords with the characteristic of GPS satellite clock interpolation error.
ISSN: 1000-050X
EISSN: 1671-8860
Rights: © 2010 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。
© 2010 China Academic Journal Electronic Publishing House. It is to be used strictly for educational and research use.
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