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由于GPS载波相差分测量定位精度高,因而动态精度的考核和测试难度大.本文分析了几种常见的动态精度测试方法,通过工程试验和数据处理得出了精度评定方法;分析了利用该方法时自身达到的精度.“,”Due to the high positioning accuracy of GPS carrier phase differential measurement, how to assess and test the dynamic accuracy is very difficult. The paper analyzes the common testing methods for dynamic accuracy with which the assessment of the accuracy is derived from engineering test and data processing and the attainment of the accuracy.