| 基于拉格朗日插值方法的GPS IGS精密星历插值分析 |
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| 引用本文： | 何玉晶,杨力.基于拉格朗日插值方法的GPS IGS精密星历插值分析[J].测绘工程,2011,20(5):60-62,66. |
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| 作者姓名： | 何玉晶 杨力 |
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| 作者单位： | 1. 61769部队,黑龙江哈尔滨,150039
2. 信息工程大学测绘学院,河南郑州,450052 |
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| 摘 要： | GPS数据处理中,为使用IGS精密星历获取GPS卫星精确的、更高采样率的轨道位置,必须要对精密星历进行插值.文中介绍拉格朗日插值方法的基本原理,并对其插值结果进行详细的分析讨论,得出几点有益结论.
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| 关 键 词： | IGS 精密星历 拉格朗日插值 |
Analysis of interpolation results on GPS IGS precise ephemeris based on Lagrange interpolation |
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| HE Yu-jing,YANG Li.Analysis of interpolation results on GPS IGS precise ephemeris based on Lagrange interpolation[J].Engineering of Surveying and Mapping,2011,20(5):60-62,66. |
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| Authors: | HE Yu-jing YANG Li |
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| Institution: | HE Yu-jing1,YANG Li2(1.61769 Troops,Harbin 150039,China,2.Institute of Surveying and Mapping,Information Engineering University,Zhengzhou 450052,China) |
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| Abstract: | In GPS data processing,we must interpolate the precise ephemeris provided by IGS for getting precise and more sampling position of GPS satellites.The paper simply introduces the basic principle of Lagrange interpolation;analyses the interpolation results in detail,and also gets some helpful conclusions. |
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| Keywords: | International GPS service(IGS) precise ephemeris Lagrange interpolation |
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