The errors of harmonic wave analysis and direct sampling in electric parameters measurement are analyzed. The method to minimize errors is presented.
分析了电力参数微机监测中的直接采样计算法与谐波分析法的误差，并提出了减小误差的方法。
Combination of gray theory, technology maturity, expert survey, etc. parameters of the model, quantitative analysis of the electric car the size of demand and supply.
结合灰理论、技术成熟度、专家调查法等方式确定模型参数，定量分析我国电动汽车的需求和供给规模。
Electric resistance and size of the thermal carriers are determined by regression analysis. The calculate method of vulcanizing time at various parameters is presented.
文中用回归分析法确定了热载体阻值和尺寸，并介绍了不同参数下硫化时间的计算方法。
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