海洋环境对GPS多路径效应影响分析

doi:10.3969/j.issn.1001-909X.2019.04.004

海洋学研究 ›› 2019, Vol. 37 ›› Issue (4): 36-47.DOI: 10.3969/j.issn.1001-909X.2019.04.004

海洋环境对GPS多路径效应影响分析

牟哲晗¹, 郭博峰^*1,2, 唐龙³

1.天津大学海洋科学与技术学院,天津 300072;
2.山东省水土保持与环境保育重点实验室,山东临沂 276000;
3.广东工业大学土木与交通工程学院,广东广州 510006

收稿日期:2019-05-28 修回日期:2019-08-30 出版日期:2019-12-15 发布日期:2022-11-10
通讯作者: *郭博峰(1986-),男,讲师,主要从事GNSS精密数据处理与地学应用研究。E-mail:bofeng.guo@tju.edu.cn
作者简介:牟哲晗(1995-),男,山东潍坊市人,主要从事GNSS数据处理理论与方法研究。E-mail:812216807@qq.com
基金资助:
国家自然科学基金资助(41704010,41804021);国家重点研发计划课题资助(2018YFC1503606);山东省水土保持与环境保育重点实验室开放基金项目资助(STKF201923)

Analysis of the influence of marine environment on GPS multipath effect

MU Zhe-han¹, GUO Bo-feng^*1,2, TANG Long³

1. School of Marine Science and Technology, Tianjin University, Tianjin 300072, China;
2. Shandong Provincial Key Laboratory of Water and Soil Conservation and Environmental Protection, Linyi 276000, China;
3. School of Civil and Transportation, Guangdong University of Technology, Guangzhou 510006, China

Received:2019-05-28 Revised:2019-08-30 Online:2019-12-15 Published:2022-11-10

摘要/Abstract

摘要： 为了解海洋环境对GPS多路径效应的影响,基于海边两个测站的观测数据,利用Anubis软件对两测站多年、多天数据在海洋环境与陆地环境下受多路径效应影响的差异进行对比分析。结果表明:(1)低卫星高度角时,随着卫星高度角的降低,海洋环境和陆地环境下的多路径误差都逐渐增大,且海洋环境下的多路径误差增幅明显大于陆地环境下的增幅。(2)当卫星高度角小于20°时,海洋环境下的多路径误差大于陆地环境下的多路径误差;当卫星高度角大于20°时,海面方向和陆地方向多路径误差差异较小。

关键词: 海洋环境, 多路径效应, Anubis软件, GPS观测

Abstract: In order to understand the impact of marine environment and terrestrial environment on GPS multipath effect, Anubis software was used to analyze the multipath error in the marine environment and terrestrial environment based on the observation data of two stations at the seaside. The differences were compared and analyzed. The results show that: (1) When the satellite elevation is low, the multipath error in the marine environment and the terrestrial environment increases gradually with the decrease of the satellite elevation angle, and the multipath error increase in the marine environment is significantly greater than that in the terrestrial environment. (2) When the satellite elevation angle is less than 20°, the multipath error in the marine environment is greater than the multipath error in the terrestrial environment; when the elevation angle is greater than 20°, the difference in the multipath error between the sea surface direction and the land direction is small.

Key words: marine environment, multipath effect, Anubis software, GPS observation

中图分类号:

P228.4

牟哲晗, 郭博峰, 唐龙. 海洋环境对GPS多路径效应影响分析[J]. 海洋学研究, 2019, 37(4): 36-47.

MU Zhe-han, GUO Bo-feng, TANG Long. Analysis of the influence of marine environment on GPS multipath effect[J]. Journal of Marine Sciences, 2019, 37(4): 36-47.

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海洋环境对GPS多路径效应影响分析

Analysis of the influence of marine environment on GPS multipath effect

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