The characters of phase shift and group delay are controlled by the number and position of zeroes and poles.

而滤波器的零点、极点个数及其位置又完全决定了其相移和群延迟的性质。

youdao

The characters of phase shift and group delay are controlled by the number and position of zeroes and poles.

而滤波器的零点、极点个数及其位置又完全决定了其相移和群延迟的性质。

youdao