【matlab】信号时域分析之线性卷积

具体内容：利用“离散卷积和”函数（conv）计算线性卷积，两原函数分别为两个脉冲信号

两脉冲信号:1.中心点在0.5，宽度为1  2.中心点在1，宽度为2

%1.5线性卷积
clc;
clear;
close all;

Ts=0.1;
T1S=-1;
T1E=2;
T2S=-1;
T2E=3;

t1=T1S:Ts:T1E;
x1=rectpuls(t1-0.5,1);
t2=T2S:Ts:T2E;
x2=rectpuls(t2-1,2);

y=conv(x1,x2)*Ts;
t3=(T1S+T2S):Ts:(T1E+T2E);

subplot(3,1,1);
plot(t1,x1);
axis([T1S-0.5,T1E+0.5,-0.5,1.5]);

subplot(3,1,2);
plot(t2,x2);
axis([T2S-0.5,T2E+0.5,-0.5,1.5]);

subplot(3,1,3);
plot(t3,y);
axis([T1S+T2S-0.5,T1E+T2E+0.5,-0.5,2.5]);