exa1_20.m

matlab应用实例。如：FIR、IIR数字滤波器设计等。

% exa1-20_random_d.m for example 1-20
% random sequence

clear all;
N=32;
x_rand=rand(1,N);
x_randn=randn(1,N);
xn=0:N-1;
figure(1)
stem(xn,x_rand)
figure(2)
stem(xn,x_randn)