NTSC-IR
Characteristics of inter-system biases in Multi-GNSS with precise point positioning
Hong, Ju1,3; Tu, Rui1,2,3; Gao, Yaping4; Zhang, Rui1,2; Fan, Lihong1,2; Zhang, Pengfei1,2; Liu, Jinhai1,3
2019-06-15
发表期刊ADVANCES IN SPACE RESEARCH
ISSN0273-1177
卷号63期号:12页码:3777-3794
摘要The impact of inter-system bias (ISB) on integrated precise point positioning (PPP) in multi-GNSS cannot be ignored. Precise orbit/clock products of Multi-GNSS Experiment (MGEX) satellites are diverse and gradually maturing. Analysing short-term and long-term variation characteristics of different types of ISB is thus helpful in understanding their error characteristics. In this study, ISB estimation models were proposed for GPS, GLONASS, BDS, and GALILEO systems with ionosphere-free (IF) combination observations. Then, the characteristics of ISB were mostly analyzed in detail with reverse and forward filtering method. Finally, according to the diurnal variation characteristics of ISB, which were estimated using precise products from several analysis centres, different processing strategies were adopted for ISBs to determine the optional solution strategies. Preliminary results are as follows: (1) The daily mean values of ISB estimated using the same analysis centre products between GPS and GLONASS as well as between GPS and BDS differed, but they were significantly correlated with receiver types. (2) Precise products of the same satellite system exhibited systematic deviations between analysis centres, although they were consistent on the weekly scale; however, the system bias of different satellite systems of the same analysis centres and system bias of different analysis centres all differed. (3) The daily and weekly stability of ISB estimated using different analytical centre products showed similar characteristics. Furthermore, the intra-week daily stability and weekly stability of the ISB of different stations showed good consistency. (4) Considering the strength of the observed model and the stability and reliability of the positioning results, Multi-GNSS PPP with precise products of CODE, GFZ, iGMAS and WHU showed the best performance under constant estimation, 20 min piecewise constant estimation, 1 h piecewise constant estimation and constant estimation strategies, respectively. (C) 2019 COSPAR. Published by Elsevier Ltd. All rights reserved.
关键词Global navigation satellite system Inter-system bias (ISB) Analysis of characteristics Precise point positioning (PPP) Estimation strategy
资助者program of National Key Research and Development Plan of China ; program of National Key Research and Development Plan of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Science (CAS) Programs of "Pioneer Hundred Talents" ; Chinese Academy of Science (CAS) Programs of "Pioneer Hundred Talents" ; Key Research Program of Frontier Sciences ; Key Research Program of Frontier Sciences ; program of National Key Research and Development Plan of China ; program of National Key Research and Development Plan of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Science (CAS) Programs of "Pioneer Hundred Talents" ; Chinese Academy of Science (CAS) Programs of "Pioneer Hundred Talents" ; Key Research Program of Frontier Sciences ; Key Research Program of Frontier Sciences ; program of National Key Research and Development Plan of China ; program of National Key Research and Development Plan of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Science (CAS) Programs of "Pioneer Hundred Talents" ; Chinese Academy of Science (CAS) Programs of "Pioneer Hundred Talents" ; Key Research Program of Frontier Sciences ; Key Research Program of Frontier Sciences ; program of National Key Research and Development Plan of China ; program of National Key Research and Development Plan of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Science (CAS) Programs of "Pioneer Hundred Talents" ; Chinese Academy of Science (CAS) Programs of "Pioneer Hundred Talents" ; Key Research Program of Frontier Sciences ; Key Research Program of Frontier Sciences
DOI10.1016/j.asr.2019.02.037
关键词[WOS]GPS ; GALILEO ; ORBIT ; PPP ; IGS
语种英语
资助项目program of National Key Research and Development Plan of China[2016YFB0501804] ; National Natural Science Foundation of China[41504006] ; National Natural Science Foundation of China[41674034] ; Chinese Academy of Science (CAS) Programs of "Pioneer Hundred Talents"[Y620YC1701] ; Key Research Program of Frontier Sciences[QYZDB-SSW-DQC028]
资助者program of National Key Research and Development Plan of China ; program of National Key Research and Development Plan of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Science (CAS) Programs of "Pioneer Hundred Talents" ; Chinese Academy of Science (CAS) Programs of "Pioneer Hundred Talents" ; Key Research Program of Frontier Sciences ; Key Research Program of Frontier Sciences ; program of National Key Research and Development Plan of China ; program of National Key Research and Development Plan of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Science (CAS) Programs of "Pioneer Hundred Talents" ; Chinese Academy of Science (CAS) Programs of "Pioneer Hundred Talents" ; Key Research Program of Frontier Sciences ; Key Research Program of Frontier Sciences ; program of National Key Research and Development Plan of China ; program of National Key Research and Development Plan of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Science (CAS) Programs of "Pioneer Hundred Talents" ; Chinese Academy of Science (CAS) Programs of "Pioneer Hundred Talents" ; Key Research Program of Frontier Sciences ; Key Research Program of Frontier Sciences ; program of National Key Research and Development Plan of China ; program of National Key Research and Development Plan of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Science (CAS) Programs of "Pioneer Hundred Talents" ; Chinese Academy of Science (CAS) Programs of "Pioneer Hundred Talents" ; Key Research Program of Frontier Sciences ; Key Research Program of Frontier Sciences
WOS研究方向Astronomy & Astrophysics ; Geology ; Meteorology & Atmospheric Sciences
WOS类目Astronomy & Astrophysics ; Geosciences, Multidisciplinary ; Meteorology & Atmospheric Sciences
WOS记录号WOS:000470042400003
出版者ELSEVIER SCI LTD
引用统计
文献类型期刊论文
条目标识符http://210.72.145.45/handle/361003/11938
专题中国科学院国家授时中心
通讯作者Tu, Rui
作者单位1.Chinese Acad Sci, Natl Time Serv Ctr, Shu Yuan Rd, Xian 710600, Shaanxi, Peoples R China
2.Chinese Acad Sci, Key Lab Time & Frequency Primary Stand, Xian 710600, Shaanxi, Peoples R China
3.Univ Chinese Acad Sci, Yu Quan Rd, Beijing 100049, Peoples R China
4.Chengdu Univ Technol, Dong San Rd Er Xian Qiao, Chengdu 610059, Sichuan, Peoples R China
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Hong, Ju,Tu, Rui,Gao, Yaping,et al. Characteristics of inter-system biases in Multi-GNSS with precise point positioning[J]. ADVANCES IN SPACE RESEARCH,2019,63(12):3777-3794.
APA Hong, Ju.,Tu, Rui.,Gao, Yaping.,Zhang, Rui.,Fan, Lihong.,...&Liu, Jinhai.(2019).Characteristics of inter-system biases in Multi-GNSS with precise point positioning.ADVANCES IN SPACE RESEARCH,63(12),3777-3794.
MLA Hong, Ju,et al."Characteristics of inter-system biases in Multi-GNSS with precise point positioning".ADVANCES IN SPACE RESEARCH 63.12(2019):3777-3794.
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