利用无几何消电离层组合实现北斗三频周跳探测与修复

doi:10.13474/j.cnki.11-2246.2020.0112

测绘通报 ›› 2020, Vol. 0 ›› Issue (4): 58-62.doi: 10.13474/j.cnki.11-2246.2020.0112

利用无几何消电离层组合实现北斗三频周跳探测与修复

崔立鲁^1,2, 何琼¹, 邹正波³, 许文超¹, 江雪梨¹, 魏朋志⁴

1. 成都大学建筑与土木工程学院, 四川成都 610106;
2. 武汉大学测绘学院, 湖北武汉 430079;
3. 中国地震局地震研究所中国地震局地震大地测量重点实验室, 湖北武汉 430071;
4. 桂林理工大学测绘地理信息学院, 广西桂林 541004

收稿日期:2019-09-02 修回日期:2019-10-20 出版日期:2020-04-25 发布日期:2020-05-08
通讯作者: 邹正波。E-mail:zouzb@126.com E-mail:zouzb@126.com
作者简介:崔立鲁(1983-),男,博士,讲师,从事GNSS精度导航定位研究。E-mail:lilucui@126.com
基金资助:
国家重点研发计划（2018YFC1503503）；国家自然科学基金（41704135）

BeiDou triple-frequency cycle-slip detection and repair based on geometry-free and ionosphere-free combination

CUI Lilu^1,2, HE Qiong¹, ZOU Zhengbo³, XU Wenchao¹, JIANG Xueli¹, WEI Pengzhi⁴

1. School of Architecture and Civil Engineering, Chengdu University, Chengdu 610106, China;
2. School of Geodesy and Geomatics, Wuhan University, Wuhan 430079, China;
3. Key Laboratory of Earthquake Geodesy, Institute of Seismology, China Earthquake Administration, Wuhan 430071, China;
4. College of Geomatics and Geoinformation, Guilin University of Technology, Guilin 541004, China

Received:2019-09-02 Revised:2019-10-20 Online:2020-04-25 Published:2020-05-08

摘要/Abstract

摘要： 针对强电离层延迟影响周跳探测与修复精度的问题，本文基于北斗三频数据特性构建了无几何消电离层组合，并对其组合系数进行了筛选。然后，联合MW（Melbourne-Wbbena）组合和电离层残差法构建周跳检验量实现对北斗三频实测数据的周跳探测与修复。在试验过程中通过设置不同类型的周跳组合对本文算法进行全面有效地检验。试验结果表明：本文算法能够探测出所有大小的周跳，包括不敏感周跳，并能将其完整地修复。

关键词: 无几何, 消电离层, 电离层延迟, 周跳探测, 北斗三频

Abstract: View to the problem that the detection and repair accuracy of cycle slip under the strong ionospheric delay affects, the geometry-free and ionosphere-free combination has been constructed based on the characteristics of BeiDou triple-frequency data in this paper and the combination coefficients have been selected. Then, combined with MW combination and ionospheric residual method, the cycle slip test quantity is constructed to realize the cycle slip detection and repair of BDS measured data. In the process of experiment, this algorithm has been tested fully and effectively by setting different types of cycle slip. The experimental results show that this algorithm can detect all cycle slip, including insensitive ones,and repair them completely.

Key words: geometry-free, ionosphere-free, ionospheric delay, cycle slip detection, BeiDou triple-frequency

中图分类号:

P228.4

崔立鲁, 何琼, 邹正波, 许文超, 江雪梨, 魏朋志. 利用无几何消电离层组合实现北斗三频周跳探测与修复[J]. 测绘通报, 2020, 0(4): 58-62.

CUI Lilu, HE Qiong, ZOU Zhengbo, XU Wenchao, JIANG Xueli, WEI Pengzhi. BeiDou triple-frequency cycle-slip detection and repair based on geometry-free and ionosphere-free combination[J]. Bulletin of Surveying and Mapping, 2020, 0(4): 58-62.

参考文献

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利用无几何消电离层组合实现北斗三频周跳探测与修复

BeiDou triple-frequency cycle-slip detection and repair based on geometry-free and ionosphere-free combination

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