| BDS-3精密单点定位时间传递综合性能分析 |
| |
| 引用本文： | 翟宏亮,王胜利.BDS-3精密单点定位时间传递综合性能分析[J].全球定位系统,2022,47(4):31-38. |
| |
| 作者姓名： | 翟宏亮 王胜利 |
| |
| 作者单位： | 1.中煤科工集团南京设计研究院有限公司, 南京 210031 |
| |
| 基金项目： | 中煤科工集团南京设计院有限公司自立科研项目(ZL21-KY02) |
| |
| 摘 要： | 我国北斗三号卫星导航系统(BDS-3)的建设已基本完成，因而，充分利用当前BDS-3进行精密单点定位(PPP)的时间传递亟需深入研究. 本文从两方面来充分研究BDS-3 PPP时间传递:1)北斗二号卫星导航系统(BDS-2)、BDS-3和BDS-2+BDS-3 PPP时间传递；2)钟模型约束的BDS-3 PPP时间传递. 试验结果表明:相比BDS-2 PPP，BDS-3和BDS-2+BDS-3 PPP结果平滑残差的均方根(RMS)值可减少约为34.5%和38.23%，960 s的稳定度分别提高35.81%和37.75%；相比传统的白噪声(WN)模型，基于钟模型的BDS-3和BDS-2+BDS-3 PPP时间传递所得平滑残差RMS值分别减少65.17%和74.42%；频率稳定度最大可提高80%.
|
| 关 键 词： | 北斗三号卫星导航系统(BDS-3) 精密单点定位(PPP) 时间传递 原子钟模型 北斗二号卫星导航系统(BDS-2) |
| 收稿时间： | 2021-10-13 |
Comprehensive performance analysis of BDS-3 precise point positioning time transfer |
| |
| Affiliation: | 1.China Coal Technology and Engineering Group Nanjing Design and Research Institute Co., Ltd., Nanjing 211800, China2.College of Ocean Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China |
| |
| Abstract: | The construction of China’s BeiDou-3 Navigation Satellite System (BDS-3) has been basically completed. Therefore, full use of the current BDS-3 satellite for precise point positioning (PPP) time transfer requires urgent research. This article analyzes BDS-3 PPP time transfer in two aspects. 1) BeiDou-2 Navigation Satellite System (BDS-2), BDS-3 and BDS-2+BDS-3 PPP time transfer. 2) Clock model constrained BDS-3 PPP time transfer. The results show that the root mean squares (RMS) values of smoothed residual value obtained by BDS-3 and BDS-2+BDS-3 PPP can be reduced by 34.5% and 38.23%, the frequency stability of 960 s is increased by 35.81% and 37.75% respectively, compared with BDS-2 PPP; compared with the traditional white noise model, the RMS values of the smoothed residual obtained by BDS-3 and BDS-2+BDS-3 PPP time transfer with the clock model is reduced by 65.17% and 74.42%; in addition, frequency stability can be increased up to 80%. |
| |
| Keywords: | |
|
| 点击此处可从《全球定位系统》浏览原始摘要信息 |
|
点击此处可从《全球定位系统》下载全文 |
