摘要
全球定位系统GPS是美国陆海空三军联合研制的卫星导航系统,作为新一代卫星导航和定位系统,不仅具有良好的抗干扰性和保密性,且具有全球性、全天候、连续性、实时性的精密三维导航与定位能力,能为各类用户提供精密的三维坐标、速度和时间。
GPS global positioning system （GPS） is the United States armed forces joint development of satellite navigation system, as a new generation of satellite navigation and positioning system, not only has good anti-interference and secre- cy, and has a global, all-weather, continuity, real-time precision 3D navigation and positioning capabilities, can provide all kinds of users with precision of 3D coordinates, speed and time.
出处
《北京测绘》
2014年第2期101-103,共3页
Beijing Surveying and Mapping
关键词
GPS
RTK
公路测量
动态定位
GPS
RTK. highway measurement
dynamic positioning
