Its main ideas are that the AC waves are described through some AC instantaneous values in a period, and then RMS values and other concerned parameters are worked out.

它的主要思想就是在一个周期内用若干个交流信号瞬时值描述该交流信号波形，并计算出有效值及其它有关参数。

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This paper begins with reaction kinetics' specific, and proposes an approach to optimization of reaction technology based on the derivative of instantaneous values of objective function.

本研究从认识反应动力学特性入手，提出了基于目标函数瞬时值的导数，确定最优反应工艺的方法。

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A new microprocessor algorithm, which based on instantaneous sampling values, is developed and tested to meet the calculation requirement when system oscillation occurs.

为满足振荡情况下电气量计算的要求，利用基于瞬时采样值的微机算法进行计算并对该算法进行了验证。

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