fg_04_05.m

来自「英文书《Digital Signal Processing with Examp」· M 代码 · 共 10 行

% fg_04_05
% Chapter 4, fig. 4.5. pole-zero plot.
sp_fig(1,5,5);

b=[0.2021    0.3328    0.4517    0.3328    0.2021];
a=[1.0000   -0.2251    0.6568    0.0349    0.0548];
zeros=roots(b);
poles=roots(a);
pz_plot(b,a);