| 北斗卫星导航系统单星授时精度分析 |
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| 引用本文： | 张大众,郑作亚,刘一,谷守周,秘金钟,李杰,张涛. 北斗卫星导航系统单星授时精度分析[J]. 测绘通报, 2019, 0(4): 7-10. DOI: 10.13474/j.cnki.11-2246.2019.0103 |
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| 作者姓名： | 张大众 郑作亚 刘一 谷守周 秘金钟 李杰 张涛 |
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| 作者单位： | 山东科技大学,山东 青岛266590;中国测绘科学研究院,北京100830;中国电科电子科学研究院,北京,100041;中国测绘科学研究院,北京,100830;南宁市国土测绘地理信息中心,广西 南宁,530021;国家测绘地理信息局第一大地测量队,陕西 西安,710054 |
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| 基金项目： | 国家重点研发计划（2016YFB0501801；2016YFB0502105；2016YFB0501405；2016YFB0502101）；全球连续监测评估系统项目（GFZX0301040308-06）；中国测绘科学研究院基本科研业务费（7771730；7771707；7771717）；国家基础测绘科技项目（2017KJ0205）；青年科学基金（41304030）；黑龙江省应用技术研究与开发计划（GA17A301） |
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| 摘 要： | 为研究北斗卫星导航系统单星授时精度，本文基于GPS单星授时原理，结合北斗卫星多种类型星座特点，编写了BDS单星授时软件。利用iGMAS站数据进行了试验，在对原始数据进行监测并将异常信息剔除后，将授时结果与中国测绘科学研究院北斗分析中心（CGS）钟差文件进行比对，分析了BDS不同轨道卫星（GEO/IGSO/MEO）下的BDS单星授时精度。结果表明，GEO卫星的授时精度为27.39 ns，IGSO卫星的授时精度为18.37 ns，MEO卫星的授时精度为18.62 ns。
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| 关 键 词： | 北斗卫星导航系统 单星授时 GEO MEO IGSO 授时精度 |
| 收稿时间： | 2018-08-25 |
| 修稿时间： | 2018-10-09 |
Accuracy analysis of single satellite timing of BeiDou Navigation Satellite System |
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| ZHANG Dazhong,ZHENG Zuoya,LIU Yi,GU Shouzhou,BI Jinzhong,LI Jie,ZHANG Tao. Accuracy analysis of single satellite timing of BeiDou Navigation Satellite System[J]. Bulletin of Surveying and Mapping, 2019, 0(4): 7-10. DOI: 10.13474/j.cnki.11-2246.2019.0103 |
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| Authors: | ZHANG Dazhong ZHENG Zuoya LIU Yi GU Shouzhou BI Jinzhong LI Jie ZHANG Tao |
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| Affiliation: | 1. Shandong University of Science and Technology, Qingdao 266590, China;2. Chinese Academy of Surveying and Mapping, Beijing 100830, China;3. China Academy of Electronics and Information Technology, Beijing 100041, China;4. Nanning Land Resources Center of Surveying, Mapping and Geoinformation, Nanning 530021, China;5. The First Geodetic Surveying Brigade of NASG, Xi'an 710054, China |
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| Abstract: | In order to study the single-star timing accuracy of the BeiDou Navigation Satellite System, based on the GPS single-star timing principle, combined with the characteristics of the BeiDou satellite multi-type constellation, this paper compiled the BDS single-star timing software. Experiments were carried out using iGMAS station data. After the original data was monitored and the anomaly information was removed, the timing results were compared with the CGS clock difference file of China Academy of Surveying and Mapping, and the BDS different orbit satellites were analyzed. BDS single-star timing accuracy under GEO/IGSO/MEO). The results show that the timing accuracy of the GEO satellite is 27.39 ns, the timing accuracy of the IGSO satellite is 18.37 ns, and the timing accuracy of the MEO satellite is 18.62 ns. |
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| Keywords: | BeiDou Navigation Satellite System single satellite timing GEO MEO IGSO timing accuracy |
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