| 北斗三号精密单点定位精度分析研究 |
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| 引用本文： | 陈哲正,欧阳明俊,朱祥维,戴志强,傅其祥.北斗三号精密单点定位精度分析研究[J].全球定位系统,2021,46(2):37-43. |
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| 作者姓名： | 陈哲正 欧阳明俊 朱祥维 戴志强 傅其祥 |
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| 作者单位： | 中山大学 电子与通信工程学院，广州 510006 |
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| 摘 要： | 2020年7月31日，北斗三号全球卫星导航系统(BDS-3)正式开通. BDS-3增加播发B1C、B2a新信号，结合原有北斗二号(BDS-2)的B1I、B2I、B3I信号，5个频点形成7种消电离层组合，进行双频精密单点定位(PPP)研究，结果表明所有组合PPP定位精度在厘米级.
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| 关 键 词： | 北斗三号(BDS-3) 精密单点定位(PPP) 消电离层组合 |
| 收稿时间： | 2020-11-27 |
BDS-3 precision analysis of precise point positioning |
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| Affiliation: | School of Electronics and Communication Engineering, Sun Yat-Sen University, Guangzhou 510006, China |
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| Abstract: | The construction of the third-generation of Chinese BeiDou navigation system (BDS-3) was officially completed the construction on July 31, 2020. The BDS-3 provided new signals, B1C and B2a. Combining with B1I, B2I, and B3I signals from the second-generation of Chinese BeiDou novigation system (BDS-2), the article formed seven ionosphere-free combinations between different frequency to conduct dual frequency Precise Point Positioning (PPP) research. Results show that the positioning accuracy of all PPP combinations is on the order of centimeters. |
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