exa121.m

来自「自己整理的信号与系统中的MATLAB应用： 离散系统模型及其MATLAB实现 」· M 代码 · 共 18 行

%exa121_delay.m for example 1-21
%signal delay信号的延迟
clear all;
N=32;
w=100;
k=3;
x1=zeros(1,k);
xn=0:N-1;
x2=sin(100*xn);
figure(1);
stem(xn,x2);
x=[x1 x2];
axis([-1 N,-1.1 1.1])
N=N+k;
xn=0:N-1;
figure(2)
stem(xn,x)
axis([-1 N,-1.1 1.1])