High-Accuracy Positioning Based on Pseudo-Ranges: Integrated Difference and Performance Analysis of the Loran System

doi:10.3390/s20164436

NTSC-IR

	High-Accuracy Positioning Based on Pseudo-Ranges: Integrated Difference and Performance Analysis of the Loran System
	Yan, Baorong; Li, Yun; Guo, Wei; Hua, Yu
	2020-08-01
发表期刊	SENSORS
卷号	20 期号:16 页码:15
摘要	The Long Range Navigation (Loran) system as a backup of the Global Navigation Satellite System (GNSS) is a good choice. The dominant deterioration factors of position accuracy are the pseudo-range measurement errors and the geometric dilution of precision (GDOP). This paper focuses on the algorithm integrated difference with pseudo-ranges to improve the position accuracy. Firstly, the theoretical prediction of propagation delay and raw measurement are compared. The results show that the measured pseudo-range consists of a constant term and a temporal term, which reflect the propagation situation along the true path. Secondly, a position solution algorithm based on a pseudo-range and difference is presented, exceeding the limit of a single chain. Finally, some simulation tests are implemented utilizing the new proposed position algorithm to verify the differential performance. This method can reduce the GDOP conveniently through increasing the number of transmitters. In view of the amplitude and characteristics of errors in measurement, systematic error and random noise are distinguished and discussed. The absolute accuracy responds to the pseudo-range bias that is different from geometric distance and repeatable accuracy is mainly influenced by random noise. The difference method can improve the absolute accuracy via the correction degree without changing the geometry of the transmitters.
关键词	Loran position geometrical dilution of precision accuracy difference method
资助者	Natural Science Foundation of China ; Natural Science Foundation of China ; Frontier Science of the Chinese Academy of Sciences ; Frontier Science of the Chinese Academy of Sciences ; Natural Science Foundation of China ; Natural Science Foundation of China ; Frontier Science of the Chinese Academy of Sciences ; Frontier Science of the Chinese Academy of Sciences ; Natural Science Foundation of China ; Natural Science Foundation of China ; Frontier Science of the Chinese Academy of Sciences ; Frontier Science of the Chinese Academy of Sciences ; Natural Science Foundation of China ; Natural Science Foundation of China ; Frontier Science of the Chinese Academy of Sciences ; Frontier Science of the Chinese Academy of Sciences
DOI	10.3390/s20164436
关键词[WOS]	NAVIGATION
语种	英语
资助项目	Natural Science Foundation of China[11803040] ; Frontier Science of the Chinese Academy of Sciences[QYZDJ-SSW-JSC034]
资助者	Natural Science Foundation of China ; Natural Science Foundation of China ; Frontier Science of the Chinese Academy of Sciences ; Frontier Science of the Chinese Academy of Sciences ; Natural Science Foundation of China ; Natural Science Foundation of China ; Frontier Science of the Chinese Academy of Sciences ; Frontier Science of the Chinese Academy of Sciences ; Natural Science Foundation of China ; Natural Science Foundation of China ; Frontier Science of the Chinese Academy of Sciences ; Frontier Science of the Chinese Academy of Sciences ; Natural Science Foundation of China ; Natural Science Foundation of China ; Frontier Science of the Chinese Academy of Sciences ; Frontier Science 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:000564857300001
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/361003/9386
专题	中国科学院国家授时中心
通讯作者	Yan, Baorong
作者单位	Chinese Acad Sci, Natl Time Serv Ctr, Xian 710600, Peoples R China
推荐引用方式 GB/T 7714	Yan, Baorong,Li, Yun,Guo, Wei,et al. High-Accuracy Positioning Based on Pseudo-Ranges: Integrated Difference and Performance Analysis of the Loran System[J]. SENSORS,2020,20(16):15.
APA	Yan, Baorong,Li, Yun,Guo, Wei,&Hua, Yu.(2020).High-Accuracy Positioning Based on Pseudo-Ranges: Integrated Difference and Performance Analysis of the Loran System.SENSORS,20(16),15.
MLA	Yan, Baorong,et al."High-Accuracy Positioning Based on Pseudo-Ranges: Integrated Difference and Performance Analysis of the Loran System".SENSORS 20.16(2020):15.