摘要
介绍了GPS的原理和其三大子系统(空间卫星系统、地面监控系统、用户接收系统),着重阐述了GPS系统在道路工程测量和施工中的应用。
This paper introduces the principle of GPS and its three sub-systems （space satellite system, ground monitoring system and user receiving system）, and emphatically expounds the application of GPS system in the measurement and construction of the road engineering.
出处
《科技情报开发与经济》
2006年第6期146-147,共2页
Sci-Tech Information Development & Economy
关键词
GPS
道路工程
测量精度
GPS
road engineering
measurement accuracy
