地球科学 大地测量学——全球导航卫星系统的进展

来源 :中国学术期刊文摘 | 被引量 : 0次 | 上传用户:ltycongc2008
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介绍了全球导航卫星系统(GNSS)以及GPS现代化方面的进展,GLONASS的近况和GALILEO的现状及今后的发展;评述了如何减少电离层和对流层对无线电信号传播的延迟、多路径效应、接收机天线和卫星发射天线相位中心的变化、接收相位的模糊度等因素对卫星定位精度的影响;讨论了GPS单点精密定位(PPP)的优缺点.
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