%0 Journal Article
%T COMPARATIVE ANALYSIS ON TWO METHODS FOR IGS PRECISE EPHEMERIS INTERPOLATION<br>两种IGS精密星历插值方法的比较分析
%A Zhang Shoujian
%A Li Jiancheng
%A Xing Lelin
%A Hou Yanhui
%A <br>张守建
%A 李建成
%A 邢乐林
%A 侯延辉
%J 大地测量与地球动力学
%D 2007
%I 
%X On the basis of the periodicity of the designed orbit of GPS satellite,trigonometric function polynomial interpolation method is used to interpolate the IGS precise ephemeris.Besides,the accuracies of interpolation and extrapolation of trigonometric function polynomial interpolation are compared with classic Lagrange interpolation.The result indicates that the former can provide higher accuracy and is more stable.
%K IGS
%K precise ephemeris
%K Lagrange interpolation
%K trigonometric function interpolations
%K polynomial<br>IGS
%K 精密星历
%K 拉格朗日插值
%K 三角函数插值
%K 多项式
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=E62459D214FD64A3C8082E4ED1ABABED5711027BBBDDD35B&cid=DA72A78627FE64EAA572951EA05D274A&jid=73A1A428591E600EF664B596512A2997&aid=DC8BA1A376CC0834&yid=A732AF04DDA03BB3&vid=DB817633AA4F79B9&iid=0B39A22176CE99FB&sid=E203FB1A272C9DD2&eid=06EA2770E96C5402&journal_id=1671-5942&journal_name=大地测量与地球动力学&referenced_num=10&reference_num=12