GNSS三频周跳探测与修复算法

doi:10.11947/j.AGCS.2017.20160532

测绘学报 ›› 2017, Vol. 46 ›› Issue (4): 453-459.doi: 10.11947/j.AGCS.2017.20160532

GNSS三频周跳探测与修复算法

刘柳^1,2, 吕志伟^1,2, 于晓东³, 王鹏旭^1,2, 杨东森^1,2, 张伦东^1,2, 丛佃伟^1,2

1. 信息工程大学, 河南郑州 450001;
2. 北斗导航应用技术河南省协同创新中心, 河南郑州 450001;
3. 上海司南卫星导航技术股份有限公司, 上海 201801

收稿日期:2016-11-01 修回日期:2017-03-12 出版日期:2017-04-20 发布日期:2017-05-05
作者简介:刘柳(1992-),男,硕士生,研究方向为卫星导航。
基金资助:
国家自然科学基金（U1636219；41604032）；国家重点研发计划（2016YB0801303）；地理信息工程国家重点实验室开放研究基金（SKLGIE2015-M-2-5）

Real-time Cycle-slip Detection and Repair Algorithm of GNSS Triple-frequency Observations

LIU Liu^1,2, LÜ Zhiwei^1,2, YU Xiaodong³, WANG Pengxu^1,2, YANG Dongsen^1,2, ZHANG Lundong^1,2, CONG Dianwei^1,2

1. University of Information Engineering, Zhengzhou 450001, China;
2. BeiDou Navigation Technology Collaborative Innovation Center of Henan, Zhengzhou 450001, China;
3. SinoGNSS Technology Ltd, Shanghai 201801, China

Received:2016-11-01 Revised:2017-03-12 Online:2017-04-20 Published:2017-05-05

摘要/Abstract

摘要： 针对使用组合观测值探测周跳存在不敏感周跳且难以修复的问题，研究了三频周跳探测与修复的几何原理，从几何角度研究了多个相位无几何组合（GF）探测周跳的异同，以及加入MW组合后的效果，并搜索了相应的不敏感周跳。提出了以对应的横截面积最小为原则选取组合量的方法。经北斗三频实测数据验证，GF组合的数量以两个为宜，加入MW组合后不敏感周跳进一步减少，优化选取的两个GF组合和MW组合联合探测周跳仅存在一个不敏感周跳，且探测到的周跳均能正确修复。

关键词: 周跳探测, 不敏感周跳, 周跳修复, 优化组合量, 无几何相位组合

Abstract: Method of cycle-slip detection based on Geometry-free observation combinations has insensitive cycle-slip. This paper analyzes the principle of cycle-slip detection based on the geometric relationship. Then study the similarities and differences of more than one geometry free phase combinations separately. And study the effect of adding a MW(Melbourne Wübbena) combination. We proposed to select GF(Geometry Free) combinations by cross-sectional area. Finally BeiDou triple-frequency data have been used to validate the conclusion. We conclude that two geometry-free phase combination is the most reasonable choice for the detection of insensitive cycle-slip. And a MW combination can obviously decrease the amounts of insensitive cycle-slip. The optimized algorithm only has 1 insensitive cycle slip, and all detected cycle-slip repaired successfully.

Key words: cycle-slip detection, insensitive cycle-slip, cycle-slip repair, optimization of coefficients, phase geometry-free combinations

中图分类号:

P228.4

刘柳, 吕志伟, 于晓东, 王鹏旭, 杨东森, 张伦东, 丛佃伟. GNSS三频周跳探测与修复算法[J]. 测绘学报, 2017, 46(4): 453-459.

LIU Liu, LÜ Zhiwei, YU Xiaodong, WANG Pengxu, YANG Dongsen, ZHANG Lundong, CONG Dianwei. Real-time Cycle-slip Detection and Repair Algorithm of GNSS Triple-frequency Observations[J]. Acta Geodaetica et Cartographica Sinica, 2017, 46(4): 453-459.

参考文献

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GNSS三频周跳探测与修复算法

Real-time Cycle-slip Detection and Repair Algorithm of GNSS Triple-frequency Observations

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