摘要
指出了目前在 GPS应用方面所存在的问题 ,介绍了多功能卫星导航定位服务系统的现状。
In this paper, the existing problems in GPS application are pointed out. The present situation and the main functions of multifunction satellite navigation and position service system and the necessity of building it are introdaced.
出处
《测绘信息与工程》
2002年第1期19-22,共4页
Journal of Geomatics