摘要
本文主要介绍了当前世界上主要的卫星导航系统，分析了导航系统中存在的隐患及其对卫星导航系统的影响，并提出了相应的解决方案，最后概括了卫星导航系统的未来发展趋势。
This paper mainly introduces the important satellite navigation systems in the world, and analyses some problems which have existed in satellite navigation systems. Then the corresponding solution methods are given. In the end, the development trends of satellite navigation system in the future is overviewed.
出处
《测绘科学与工程》
2007年第2期55-58,共4页
Geomatics Science and Engineering
关键词
全球导航
区域导航
导航技术
globe navigation
Area navigation
navigation technology
