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IIR和FIR数字滤波器的特点

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2022-01-06 20:32
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正确答案

IIR数字滤波器的特点:
1系统的单位抽样乡音h(n)为无限长2系统函数H(z)在有限z平面上有极点存在
3存在输出到输入的反馈,递归型结构FIR数字滤波器的特点
1系统的单位抽样响应h(n)有限长2系统函数H(z)在IzI>0处收敛,有限Z平面只有零点,全部极点在Z=0处3无输出到输入的反馈,一般为非递归型结构


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IIR和FIR数字滤波器的特点
翻译:With Average or With Particular Average(WA or WPA)()
比较IIR和FIR滤波器在性能和结构上各有什么优缺点。
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