目前，基于GPS的同步采样方法已开始应用于电力系统状态变量的同步采样。
Recently the synchronous sampling method based on the GPS has been applied in power system.
本文在分析现有同步采样方法的基础上，选用了一种基于采样值序号的数据修正方法。
Basing on analyzing the ways of Synchronic adjustment, an improved means using data amendment based on the number of sample.
介绍了电能表的结构和测量原理，推导了快速准同步采样方法的计算公式，最后给出了国家计量科学研究院的测试结果。
The calculation formulas of the fast quasi synchronism sampling method are deduced. Finally, the test results are given by the National Institute of Metrology.
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