“一带一路”区域北斗卫星导航系统定位性能分析

摘要

为掌握北斗系统在“一带一路”区域定位性能,利用STK软件分别仿真北斗区域和北斗全球星座.通过建立地面观测站和观测区域,对“一带一路”区域可见性和几何精度因子进行了系统分析.结果表明,北斗区域系统无法全面满足“一带一路”战略需要,而北斗全球系统将为战略的实施提供有力的支撑.%To analyze BeiDou Navigation Satellite System performance in the "The Belt and Road(B&aR)" area,STK software is used to emulate BeiDou network as well as BeiDou global constellation.Through creating the observation stations and the observation areas,the visibility and the GDOP (geometric dilution of precision) expression of " B&R" area is analyzed systematically.It shows that the BeiDou Regional Navigation Satellite System can not fully meet the needs in the construction of "B&R" strategy,while the BeiDou Global Navigation Satellite System can provide strong support.