Performance Analysis of BDS／GPS Combination Kinematic Positioning in Different Environments
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摘要: 主要探讨了中国北斗和美国GPS的组合系统定位模型,通过在不同接收环境下进行的动态定位实验,采用载波相位后处理技术对动态数据进行处理,结合卫星的空间分布和定位环境,分析了单北斗、单GPS、以及组合系统的定位性能。结果表明,在观测条件良好的环境下,组合系统和GPS的定位性能基本一致,北斗卫星导航系统稍弱;在观测条件不理想的环境下,组合系统增加可视卫星数量,改善了卫星星座结构,提高了定位性能,使组合系统的动态定位性能优于单系统的动态定位性能。Abstract: This paper mainly discusses the positioning model of the combination system of Beidou and GPS, through the dynamic positioning experiments were carried out in different receiving environment, using carrier phase postprocessing technique for dynamic data processing, combined with the spatial distribution and location of environmental satellite, analyzed the single Beidou Satellite Navigation System, Global Positioning System, and positioning system performance. The results show that the observation conditions favorable environment, the positioning performance of combination system and global positioning system is basically the same, the Beidou Satellite Navigation System in the weaker; observation condition is not ideal environment, increase the number of visible satellites navigation system, improved satellite constellation structure, improve the positioning performance, the dynamic positioning performance is superior to that of the dynamic positioning performance the combination system of single system.
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Key words:
- BDS /
- GPS /
- composite system /
- kinematic positioning /
- post-processing kinematic
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