The Benefits of Receiver Clock Modelling in Satellite Timing

doi:10.3390/s21020466

NTSC-IR

	The Benefits of Receiver Clock Modelling in Satellite Timing
	Qin, Weijin1,2 ; Wang, Xiao 1,2; Su, Hang 1,2; Zhang, Zhe 1,2; Li, Xiao 1,2; Yang, Xuhai 1,2,3
	2021
发表期刊	SENSORS
卷号	21 期号:2 页码:15
摘要	Satellite timing is an effective and convenient method that has been widely accepted in the time community. The key to satellite timing is obtaining a clean receiver clock offset. In this paper, instead of regarding the receiver clock offset as white noise, a two-state stochastic clock model involving three kinds of noise was conceived and used in PPP filter estimation. The influence of clock type and sampling time on satellite timing performance was first analysed. In addition, the kinematic scheme and static scheme were both investigated for meeting the demands of multi-occasional users. The values show that the model works well for both the kinematic scheme and static scheme; in contrast to that of the white noise model, the timing stability is enhanced at all the sampling times. For the six stations, especially when the averaging time is less than 1000 s, the average stability improvement values of the kinematic scheme are 75.53, 43.24, 75.00, 69.05, 40.57, and 25.45%, and the average improvement values of the static scheme are 65.49, 77.94, 56.71, 60.78, 64.41, and 39.41%. Furthermore, the enhancement magnitude is related to clock type. For a high-stability clock, the improvement of the kinematic scheme is greater than that of the static scheme, whereas for a low-stability clock, the improvement of the kinematic scheme is less than that of the static scheme.
关键词	timing stochastic clock model PPP kinematic scheme static scheme
资助者	National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS "Light of West China" Programme ; CAS "Light of West China" Programme ; Youth Promotion Committee of the Chinese Academy of Sciences ; Youth Promotion Committee of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS "Light of West China" Programme ; CAS "Light of West China" Programme ; Youth Promotion Committee of the Chinese Academy of Sciences ; Youth Promotion Committee of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS "Light of West China" Programme ; CAS "Light of West China" Programme ; Youth Promotion Committee of the Chinese Academy of Sciences ; Youth Promotion Committee of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS "Light of West China" Programme ; CAS "Light of West China" Programme ; Youth Promotion Committee of the Chinese Academy of Sciences ; Youth Promotion Committee of the Chinese Academy of Sciences
DOI	10.3390/s21020466
语种	英语
资助项目	National Natural Science Foundation of China[11703033] ; CAS "Light of West China" Programme[XAB2019A06] ; Youth Promotion Committee of the Chinese Academy of Sciences[2019398]
资助者	National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS "Light of West China" Programme ; CAS "Light of West China" Programme ; Youth Promotion Committee of the Chinese Academy of Sciences ; Youth Promotion Committee of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS "Light of West China" Programme ; CAS "Light of West China" Programme ; Youth Promotion Committee of the Chinese Academy of Sciences ; Youth Promotion Committee of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS "Light of West China" Programme ; CAS "Light of West China" Programme ; Youth Promotion Committee of the Chinese Academy of Sciences ; Youth Promotion Committee of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS "Light of West China" Programme ; CAS "Light of West China" Programme ; Youth Promotion Committee of the Chinese Academy of Sciences ; Youth Promotion Committee of the Chinese Academy of Sciences
WOS研究方向	Chemistry ; Engineering ; Instruments & Instrumentation
WOS类目	Chemistry, Analytical ; Engineering, Electrical & Electronic ; Instruments & Instrumentation
WOS记录号	WOS:000611698900001
出版者	MDPI
引用统计
文献类型	期刊论文
条目标识符	http://210.72.145.45/handle/361003/12121
专题	中国科学院国家授时中心
通讯作者	Qin, Weijin
作者单位	1.Chinese Acad Sci, Natl Time Serv Ctr, Xian 710600, Peoples R China 2.Chinese Acad Sci, Key Lab Precise Positioning & Timing Technol, Xian 710600, Peoples R China 3.Univ Chinese Acad Sci, Sch Astron & Space Sci, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Qin, Weijin,Wang, Xiao,Su, Hang,et al. The Benefits of Receiver Clock Modelling in Satellite Timing[J]. SENSORS,2021,21(2):15.
APA	Qin, Weijin,Wang, Xiao,Su, Hang,Zhang, Zhe,Li, Xiao,&Yang, Xuhai.(2021).The Benefits of Receiver Clock Modelling in Satellite Timing.SENSORS,21(2),15.
MLA	Qin, Weijin,et al."The Benefits of Receiver Clock Modelling in Satellite Timing".SENSORS 21.2(2021):15.