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| 引用本文： | 冯炜,薛志宏,邵佳妮,樊月波.???????GPS??????????????????[J].大地测量与地球动力学,2010,30(1):145-149. |
| 作者姓名： | 冯炜 薛志宏 邵佳妮 樊月波 |
| 作者单位： | 1. 61081,部队,北京,100094 2. 解放军信息工程大学测绘学院,郑州,450052 3. 解放军武汉通信指挥学院,武汉,430010 |
| 基金项目： | 国家自然科学基金(40774031);;国家863计划项目(2006AA06A202);;全国优秀博士学位论文作者专项基金(200344) |
| 摘 要： | ?????????б??????????????????????GPS???????????????????γ??????????????????????????????????????????б??????????????????????????????15???????????????????4С???γ????????11?????????????λ????????? |
| 关 键 词： | ???λ?? ???? ?б??????????? ???????????? ?????? |
ACCURACY ASSESSMENT OF TWO FITTING METHODS FOR GPS PRECISE EPHEMERIS |
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| Feng Wei,Xue Zhihong,Shao Jiani,Fan Yuebo.ACCURACY ASSESSMENT OF TWO FITTING METHODS FOR GPS PRECISE EPHEMERIS[J].Journal of Geodesy and Geodynamics,2010,30(1):145-149. | |
| Authors: | Feng Wei Xue Zhihong Shao Jiani Fan Yuebo |
| Abstract: | Two polynomial fitting methods:Chebyshev polynomial fitting and Lagrange polynomial fitting,for generating GPS satellite coordinates from precise ephemeris are introduced.The impacts of fitting time span and polynomial order with these two methods to fitting accuracy are discussed.Some useful conclusions are obtained from the tests. |
| Keywords: | GPS ephemeris Chebyshev polynomial fitting Lagrange polynomial fitting fitting accuracy |
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