GPS精密星历的切比雪夫多项式拟合法  

Methods of Chebyshev Polynomial Fitting of the GPS Precise Interpolation

作　　者：李东[1] 王静[2] 常增亮 吕东东[1] LI Dong WANG Jing CHANG Zeng-liang LV Dong-dong(Shandong Electric Power Engineering Consulting Institute Co. Ltd., Jinan 250100, China Earthquake Administration of Shandong Province ,Jinan 250014, China)

机构地区：[1]山东电力工程咨询院有限公司,山东济南250100 [2]山东省地震局,山东济南250014

出　　处：《齐鲁工业大学学报》2016年第4期60-62,共3页Journal of Qilu University of Technology

基　　金：国家核电技术公司研究项目(2014SN003-003)

摘　　要：GPS卫星坐标的计算是GPS数据处理的一个基本步骤,影响着GPS数据处理的效率与精度。通过对GPS中常用的几种拟合方法进行介绍,结合实例详细介绍了精密星历的切比雪夫多项式拟合法,通过程序运算并与其他方法比较得出结论。The calculation of the GPS satellite is the basic step during the data process of the GPS, and it influences its precision and the efficiency. The paper introduces some normal fitting methods. It also introduces the Chebyshev polynomial fitting method in detail by combining examples. Some useful conclusions can be obtained by using the data computation and the comparison with the other methods.

关 键 词：精密星历 拉格朗日内插 切比雪夫多项式拟合 Neville插值 

分 类 号：P228[天文地球—大地测量学与测量工程]