| 几种精密卫星钟差加密方法的比较与分析 |
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| 引用本文： | 张清华,隋立芬,牟忠凯.几种精密卫星钟差加密方法的比较与分析[J].测绘工程,2010,19(2):65-67,74. |
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| 作者姓名： | 张清华 隋立芬 牟忠凯 |
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| 作者单位： | 信息工程大学测绘学院,河南,郑州,450052;信息工程大学测绘学院,河南,郑州,450052;信息工程大学测绘学院,河南,郑州,450052 |
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| 摘 要： | 卫星钟差是影响GPS高精度单点定位的一个重要因素,通过分析几种加密GPS精密卫星钟差的方法,将加密结果与GFZ(German Research Centre for Geosciences)提供的数据进行比较,并通过精度分析,得出分段线性插值法是加密GPS精密卫星钟差一种较为可靠的方法。
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| 关 键 词： | 卫星钟差 加密 分段线性插值法 |
Analyses of several densification methods of precise satellite clock offset |
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| ZHANG Qing-Hua,SUI Li-Fen,MOU Zhong-Kai.Analyses of several densification methods of precise satellite clock offset[J].Engineering of Surveying and Mapping,2010,19(2):65-67,74. |
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| Authors: | ZHANG Qing-Hua SUI Li-Fen MOU Zhong-Kai |
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| Institution: | ZHANG Qing-Hua; SUI Li-Fen; MOU Zhong-Kai(Institute of Surveying and Mapping; Information Engineering University; Zhengzhou 450052; China); |
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| Abstract: | Satellite clock offset plays an important role in GPS high precision positioning.This paper analyzes and compares densification methods of several methods for clock offsets of precise GPS satellites in detail.Then the satellite offset densified by different densification methods have been compared to value determined by IGS(The International GNSS Service),what is more,subsection linear interpolation is a better densification method of satellite clock offset. |
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| Keywords: | satellite clock offset densification subsection linear interpolation |
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