BDS/GPS单历元短基线动对动定位性能分析Performance analysis of BDS/GPS single epoch short baseline motion-to-motion positioning
陆雨,邵克凡
摘要(Abstract)：
针对在城市峡谷环境下观测卫星较少、观测质量差和周跳频繁,导致动对动定位过程中双差模糊度不连续的问题,提出了一种GPS/BDS组合系统的单历元模糊度解算方法。通过GPS/BDS组合定位提高了卫星的可用数量,利用单历元模糊度固定减弱了周跳频繁带来的影响。实验采用GPS/BDS组合的7组数据,分析了在不同高度角下动对动定位单历元解的模糊度固定率、解算失败率、粗差率和定位精度。结果表明,GPS/BDS组合动对动定位单历元模糊度解算方法,在高遮挡的城市峡谷环境仍然可以取得较好的定位结果。
关键词(KeyWords)： 动对动相对定位;单历元模糊度固定;BDS/GPS组合定位;城市峡谷环境
基金项目(Foundation): 国家自然科学基金项目（41674008,41874006,41604006）
作者(Author): 陆雨,邵克凡
DOI: 10.16251/j.cnki.1009-2307.2021.01.001
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