With low pass filter use Bessel for least amount of overshoot in the time domain, and Cauer (or elliptic) for fastest rolloff in the freq domain.

 
  • (設計低通濾波器時(shí)選用貝塞爾型可以使時(shí)域較平坦,沒(méi)有太多過(guò)沖,選用切比雪夫可以提高截止頻率的陡峭性。)
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