Current fluctuation is analyzed during coil commutation time and electromagnetic torque is computed and method is given to restrain ripple of electromagnetic torque.
对绕组换相时电流波动进行了分析，并计算了电机电磁转矩，给出了抑制电磁转矩脉动的方法。
She considers the current fluctuation span of plus or minus 0.5% appropriate for the time being, but said the central bank would not rule out widening that spread in the future.
胡认为，目前汇率波动在 0.5% 上下是合适的，但是不排除央行放宽这一限制的可能性。
By using the WKBJ method, the average of currents and square of the current are calculated, the results show the existence of the current fluctuation, which causes the noise in the circuits.
运用WKBJ方法计算了电流平均值和电流平方的平均值，计算结果表明电流涨落是存在的，它是介观电路中主要的量子噪声。
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