1.中国科学院上海天文台,上海,200030
2.中国科学院大学天文与空间科学学院,北京,100049
3.上海市空间导航与定位技术重点实验室,上海,200030
4.中国矿业大学(北京)地球科学与测绘工程学院,北京,100083
5.61081部队,北京,100094
陈俊平,博士,研究员,主要从事卫星导航技术研究。junping@shao.ac.cn
周建华,中国工程院院士。sunnpa@163.com
收稿:2026-09-18,
纸质出版:2026-10-05
移动端阅览
陈俊平,张益泽,王阿昊,等.北斗PNT增强信息处理技术及其应用[J].武汉大学学报(信息科学版),2026,51(10):2048-2055.
CHEN Junping,ZHANG Yize,WANG Ahao,et al.BDS PNT Augmentation Information Processing: Technologies and Its Application[J].Geomatics and Information Science of Wuhan University,2026,51(10):2048-2055.
陈俊平,张益泽,王阿昊,等.北斗PNT增强信息处理技术及其应用[J].武汉大学学报(信息科学版),2026,51(10):2048-2055. DOI:10.13203/j.whugis20260353
CHEN Junping,ZHANG Yize,WANG Ahao,et al.BDS PNT Augmentation Information Processing: Technologies and Its Application[J].Geomatics and Information Science of Wuhan University,2026,51(10):2048-2055. DOI:10.13203/j.whugis20260353
北斗卫星导航系统通过广域增强和精密单点定位服务,构建了从广域差分到精密定位的多层次高精度定位导航授时(positioning
navigation and timing,PNT)增强体系。围绕北斗PNT增强服务信息处理技术,阐述了北斗PNT增强服务实时改正参数体系,介绍了北斗信息处理系统中卫星轨道改正、卫星钟差改正、格网电离层改正、差分码偏差以及分区综合改正等参数的计算方法,总结了北斗PNT增强服务完好性监测方面的进展,给出了基于北斗系统增强参数的用户PNT基本模型,归纳了北斗PNT增强从米级到分米级的服务能力。针对中国综合时空体系建设的发展要求,对异构多体制星座全球PNT增强技术的发展进行了展望。
BeiDou satellite navigation system (BDS) has established a multi‑level high‑precision positioning
navigation and timing (PNT) augmentation architecture
ranging from wide‑area differential positioning to the precise point positioning (PPP)
through BeiDou satellite-based augmentation system (BDSBAS) and the PPP service on B2b signal (PPP-B2b). This paper focuses on the information processing technologies for BDS PNT augmentation services. It elaborates on the real‑time correction parameter system for BDS PNT augmentation
and introduces the computation methods for key parameters in BDS information processing system
including satellite orbit corrections
satellite clock corrections
grid ionosphere corrections
and partition comprehensive corrections. And then it summarizes the progress in integrity monitoring for BDS PNT augmentation services. The fundamental user PNT model based on BDS augmentation parameters is presented
and the service capability of BDS PNT augmentation from meter‑level to decimeter‑level is summarized. Furthermore
in view of the development requirements of China's comprehensive PNT system
this paper provides a perspective on the technological evolution of global PNT augmentation based on the future heterogeneous multi‑system satellite constellation.
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