The basic operation principle of the series active power filter for harmonic suppression of frequency converter is analyzed in this paper, and its control method and control circuit are studied.
文章分析了适用于变频器谐波抑制的串联型有源电力滤波器的基本工作原理，并对其控制方法和控制电路进行了研究。
The work principle of the motor driving airscrew is presented in the dissertation. The reasons and the method of elimination or suppression of torque pulses produced by BLDCM are analyzed.
该论文先介绍了螺旋桨驱动电机的工作原理，分析了无刷直流电机转矩脉动产生的原因及消除或抑制方法。
The paper elaborated on the principle of noise suppression processing by using GHM orthogonal multi wavelets for seismic signal and gave real examples to show the effectiveness of the method.
本文详细说明了应用GH M正交多小波对地震信号进行去噪处理的原理，并给出实际例子说明该方法的有效性。
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