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# Multirate Filtering: Filter-Design Exercise in MATLAB (Chinese Version)

Summary: You will design a low-pass finite impulse-response filter using the zero-placement method in MATLAB. The filter can be used as an anti-aliasing and anti-imaging filter in a multirate system.

## 滤波器设计练习

Hz= h 0 + h 1 z-1+ h 2 z-2+=( z 1 z-1)( z 2 z-1)( z 3 z-1) H z h 0 h 1 z -1 h 2 z -2 z 1 z -1 z 2 z -1 z 3 z -1
(1)

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