standard error test

A new tool that can test the clock base frequency error of energy measuring devices and provide GPS standard time to calibrate real-time clock was introduced in this paper.

介绍了一种用来测量电能计量装置的时钟基频误差，并提供GPS标准时间以校准其实时时钟的新型工具。

Study on Test Method of Standard Error in One Round of Total Station Vertical Angle

全站仪垂直角一测回标准偏差检定方法的研究

By using simulation test on the flow testing bench, the error in flow measurement with standard throttle nozzle for dusty stack gases is analysed.

用流量试验台做模拟试验，分析了用标准节流喷嘴测量含尘烟气流量的误差。

According the principle of the maximum amount of information, choose the questions that meet the degree of examinees. Termination condition of testing adopts the combination of maximum number of test questions and Standard error of the valuation method.

根据最大信息量原则从题库中选取符合受测者能力的题目进行测试，测试的终止条件采用了最多测试题数和估值的标准误差法相结合的方法。

Because the traditional calibrating method is not suitable for testing optical electric current transformer, a novel test system is designed based on the IEC standard and error analysis theory.

鉴于传统的电流互感器测试方法已经不适于校验新型的电流互感器，依据IEC标准和误差分析理论，提出了光电电流互感器的测试和校验方法。

PAN standard sample with broad distribution has been adopted to simulate to work out equation of GPC revised curve of PAN by means of designed program in computer, and repeated the results of precision test can reach the limit of the error.

采用宽分布的聚丙烯腈共聚物（Polyacrylonitrile简称PAN）标准样品，通过编制的计算机程序，模拟计算出PAN的GPC校正曲线方程，对宽分布的标准样品进行重复测定，重现性试验结果符合误差要求。