全球定位系统2025，Vol.50Issue(1)：33-40,8.DOI:10.12265/j.gnss.2024056
多种选星算法在GNSS组合导航中的应用分析
Analysis of multiple satellite selection algorithms in GNSS integrated navigation
摘要
Abstract
The number of visible satellites of global navigation satellite system increases significantly,and the redundancy of observation data reduces the positioning efficiency of mobile terminals,while efficient satellite selection algorithms can improve the real-time performance of dynamic navigation.In this paper,according to the principle of satellite selection algorithms,eight satellites selection algorithms are classified into two categories:satellite selection algorithms based on the minimum of geometric accuracy factor and satellite selection algorithms based on spatial geometric distribution.Based on the principles of satellite selection algorithms,the paper introduces various algorithms,analyzes their advantages and disadvantages,and verifies the performance of each algorithm in GNSS four-system integrated navigation through examples.关键词
选星算法/GNSS/几何精度因子(GDOP)/组合导航/单点定位(SPP)Key words
satellite selection algorithm/GNSS/GDOP/integrated navigation/single point positioning(SPP)分类
测绘与仪器引用本文复制引用
蔡光宇,崔先强,蔡昌盛,张鹏飞..多种选星算法在GNSS组合导航中的应用分析[J].全球定位系统,2025,50(1):33-40,8.基金项目
国家自然科学基金(42174040,42388102) （42174040,42388102）
国家重点研究发展计划(2020YFA0713501) （2020YFA0713501）
湖南省自然资源厅(HNGTCH-2023-05)和地球信息工程国家重点实验室(SKLGIE2021-Z-2-1) （HNGTCH-2023-05）
