ex0813.asv

来自「数字信号处理（机械工业出版社）的源码」· ASV 代码 · 共 7 行

% Chapter 08: Example 8.13 Design a filter
n = 50;
f = [0 0.4 0.8 1];
amp = [0 1 0];
up = [0.02 1.02 0.01];
lo = [-0.02 0.98 -0.01];
b = fircls(n,f,amp,up,lo,'plots'); % Plot magnitude response