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 result of positioning precision test shows that the positioning precision of the GPS real time differential system based on GPRS has attained cm-level.
实际测试结果表明:基于GPRS的GPS实时差分系统达到了厘米级定位精度。
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