刘金海;涂锐;张鹏飞;张睿;卢晓春;

• 1:中国科学院国家授时中心
• 2:中国科学院大学
• 3:中国科学院精密导航定位与定时技术重点实验室

摘要(Abstract)：

针对RTK技术在观测条件不佳的情况下定位精度和可靠性问题,该文对GPS/GLONASS/BDS三系统组合RTK模型进行了探讨并给出了观测值域与法方程域组合RTK模型。其具体实现过程为:观测值域组合RTK模型即是对多系统的双差观测值直接进行叠加求解得到组合系统的位置参数和模糊度等信息;而法方程域组合RTK模型首先是对单系统的双差观测值进行求解得到单系统的法方程,并对多个系统的法方程叠加后求解得到组合系统的位置参数和模糊度等信息。实验结果表明,观测值域组合模型比法方程域组合模型更严密,其定位结果更稳定;组合RTK比单系统RTK精度更优,稳定性更好。

关键词(KeyWords)： GNSS;实时动态差分;精度;可靠性;比值;位置精度因子

Abstract:

Keywords:

基金项目(Foundation): 国家重点研发计划项目(2016YFB0501804);; 国家自然科学基金项目(41504006,41674034);; 中国科学院百人计划和前沿科技重点研发计划项目(QYZDB-SSW-DQC028)

作者(Authors): 刘金海;涂锐;张鹏飞;张睿;卢晓春;

DOI: 10.16251/j.cnki.1009-2307.2019.01.025

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