The refraction error of the atmosphere is one of the largest error sources in precise GPS measurement.
在精密GPS测量中，大气折射改正误差是最大的误差源之一。
This paper analyzes the components and features of GPS, discusses differential dynamic positioning technology with GPS in real time and its error sources.
分析了全球定位系统GPS的组成及功能，探讨了GPS实时差分动态定位技术及其误差来源。
The error of correction for atmospheric refraction is one of the biggest error sources in precise GPS measurement.
在精密gps测量中，大气折射改正误差是最大的误差源之一。
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