A new method for designing an equi-ripplefilter is presented which has been used in designing an SAW bandpass filter.
本文提出了设计等起伏滤波器的一种新方法，并用该方法设计了声表面波带通滤波器。
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In addition, the thesis analyzes the influence of the filter structure and parameters on the output DC voltage ripple and the shape of phase currents, as well as harmonics of phase currents.
另外，还对滤波器的结构和参数对输出直流电压脉动和发电机相电流波形的影响及相电流谐波进行了仿真分析。
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Secondly, the low duty cycle leads to the high voltage and current ripple, and enlarges the filter size.