The cycle-slip detection and repair of BDS based on improved turboedit algorithm

被引：0
|
作者：
Cai C. [1 ]
Wang L. [1 ]
Liu C. [1 ]
Li G. [1 ]
Qin Y. [1 ]
Deng H. [1 ]
机构：
[1] Guangxi Key Laboratory of Precision Navigation Technology and Application, Guilin University of Electronic Technology, Guilin
来源：
Wuhan Daxue Xuebao (Xinxi Kexue Ban)/Geomatics and Information Science of Wuhan University | 2016年 / 41卷 / 12期
基金：
中国国家自然科学基金;
关键词：
BeiDou satellites; Carrier phase; Cycle-slip detection and repair; Navigation and positioning; TurboEdit;
D O I：
10.13203/j.whugis20140602
中图分类号：
学科分类号：
摘要：
An improved TurboEdit Algorithm for BDS is analyzed and validated based on the characteristics of BDS with three types of satellites. A fixed window sliding method is used instead of the original recursive method for detecting cycle slips with M-W combination observations. The original ionosphere residual combination detection method is improved by including the adjacent epoch differential method for double-frequency ionosphere residuals, the detection parameters can be selected for GEO/IGSO/MEO satellites. During actual data processing, the improved algorithm is more stable and yields more accurate detection results than the original algorithm, especially in detection of small cycle slips. Also, the improved algorithm can effectively compensate for the original algorithm that does not easily detect small cycle-slips. Experimental results show that the improved algorithm can effectively detect all kinds of cycle slips such as equal-cycle, small cycle slips and big cycle slips. The repair precision can reach the 0.1 cycle. © 2016, Research and Development Office of Wuhan University. All right reserved.
引用
收藏
页码：1632 / 1637
页数：5
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