| 北斗系统PPP定位精度及收敛速度分析 |
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| 引用本文： | 朱松,毛勇,易文婷,朱家松. 北斗系统PPP定位精度及收敛速度分析[J]. 大地测量与地球动力学, 2021, 41(2): 122-124. DOI: 10.14075/j.jgg.2021.02.003 |
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| 作者姓名： | 朱松 毛勇 易文婷 朱家松 |
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| 作者单位： | 深圳大学自然资源部大湾区地理环境监测重点实验室,深圳市南海大道3688号,518060;中国石油天然气股份有限公司江西销售分公司,南昌市绿茵路129号,233200;深圳大学自然资源部大湾区地理环境监测重点实验室,深圳市南海大道3688号,518060;深圳大学自然资源部大湾区地理环境监测重点实验室,深圳市南海大道3688号,518060 |
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| 基金项目： | 国家自然科学基金;江苏省自然科学基金 |
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| 摘 要： | 选取MGEX亚太区域12个测站1周的观测数据，分析比较BDS-2和BDS-2+3的动态PPP性能。结果表明，加入BDS-3能显著提升动态PPP的收敛速度和定位精度，但由于目前BDS-3精密轨道和钟差产品中的卫星数目有限，收敛速度仍比GPS慢。
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| 关 键 词： | 北斗三号 精密单点定位 动态 精度 收敛 |
Analysis of Positioning Accuracy and Convergence of BDS Precise Point Positioning |
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| ZHU Song,MAO Yong,YI Wenting,ZHU Jiasong. Analysis of Positioning Accuracy and Convergence of BDS Precise Point Positioning[J]. Journal of Geodesy and Geodynamics, 2021, 41(2): 122-124. DOI: 10.14075/j.jgg.2021.02.003 |
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| Authors: | ZHU Song MAO Yong YI Wenting ZHU Jiasong |
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| Affiliation: | (Key Laboratory for Geo-Environmental Monitoring of Great Bay Area,Shenzhen University,3688 Nanhai Road,Shenzhen 518060,China;Jiangxi Sales Branch of Petro China Co Ltd,129 Lüyin Road,Nanchang 233200,China) |
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| Abstract: | In this paper,the data of 12 individual MGEX stations in the Asia Pacific region are selected to analyze and compare the positioning accuracy and convergence of BDS-2 and BDS-2+3 kinematic PPP.The results show that the convergence speed and positioning accuracy of dynamic PPP is significantly improved after the addition of BDS-3,but the convergence speed is still worse than that of GPS due to the limitation of BDS-3 precision orbit and clock products. |
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| Keywords: | BDS-3 PPP kinematic accuracy convergence |
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