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| 卫星双向定时精度分析 | |
| 引用本文： | 李保东,刘利,居向明,时鑫,朱陵凤.卫星双向定时精度分析[J].时间频率学报,2010,33(2). |
| 作者姓名： | 李保东 刘利 居向明 时鑫 朱陵凤 |
| 作者单位： | 1. 北京市5136信箱,北京,100094 2. 北京市5136信箱,北京,100094;中国科学院动力大地测量学重点实验室,武汉,430077 3. 海军蚌埠士官学校,蚌埠,233012 |
| 基金项目： | 国家高技术研究发展计划(863计划)资助项目(2009AA12Z328); 中国科学院动力大地测量学重点实验室开放基金资助项目(L09-04) |
| 摘 要： | 介绍了Compass卫星双向定时的基本原理,在讨论双向定时计算模型的基础上,给出了考虑Sagnac效应项的详细计算模型,并计算了Sagnac效应项在几个代表性地区的影响,结果表明:对于距离中心站较远地区的用户,这种影响可达几十个纳秒。最后,对Compass卫星双向定时理论精度进行了分析,并采用几个地区的试验结果进行了验证。 |
| 关 键 词： | 卫星导航系统 时间 双向定时 |
Precision Analysis of Satellite Two-way Timing |
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| LI Bao-dong,LIU Li,JU Xiang-ming,SHI Xin,ZHU Ling-feng.Precision Analysis of Satellite Two-way Timing[J].Journal of Time and Frequency,2010,33(2). | |
| Authors: | LI Bao-dong LIU Li JU Xiang-ming SHI Xin ZHU Ling-feng |
| Institution: | LI Bao-dong1,LIU Li1,2,JU Xiang-ming3,SHI Xin1,ZHU Ling-feng1(1.Mailbox 5136,Beijing 100094,China,2.Key Laboratory of Dynamic Geodesy,Institute of Geodesy & Geophysics,CAS,Wuhan 430077,3.Navy Bengbu Petty School,Bengbu 233012,China) |
| Abstract: | The theory of compass satellite two-way timing is introduced in this paper.A specific calculating model which takes the Sagnac correction into consideration is given,based on a discussion on the former calculation model of two-way timing.Then the Sagnac effects in several representative areas are analyzed.The results show that the Sagnac correction reaches dozens of nano-seconds if the user's position is far from the centre station.At last,the precision of compass satellite two-way timing is analyzed and th... |
| Keywords: | satellite positioning system time two-way timing |
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