结果表明，低通滤波器的截止频率、阶数和类型对检测电路的动态响应过程、检测精度都有很大影响。
The simulation result shows that the dynamic response and the detection precision in detection circuit can be greatly influenced by the cut-off frequency, order and type of low pass filter.
提出了一种通带截止频率连续可调的低通滤波器的新的设计方法。
In this paper, a novel design method of a passband edge frequency continuous adjustable FIR filter is presented.
改进后逆变器输出滤波器的截止频率可以取较高值，保证足够的控制系统带宽，有效提高逆变器输出电压波形质量。
The cut-off frequency of improved inverter output filter can be set higher to ensure the bandwidth of control system and improve the waveform quality of inverter output voltage.
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