我国广域增强系统的基准站布局及数量分析

Analysis of reference stations'position and quantity in China WAAS

广域增强系统可以提高GPS系统的导航和定位精度,满足不同用户的需求,其基准站的布局和数量对提高系统的性能和实施有着重要的意义。通过对基准站上空的格网内的电离层穿透点个数进行统计分析,讨论了我国广域增强系统基准站的布局与数量问题。

WAAS can improve the precision of GPS system navigation and determining position, and satisfy the requirement of kinds of users. It shows great significance of reference stations＇ position and quantity in improving the performance of WAAS. It analyses the quantity of ionosphere pierce point in grid above the reference stations, and simply discusses the question of reference stations＇ position and quantity in China WAAS.