picture_1.17.m

转载 现代通信系统使用MATLAB（刘树堂

t=-5:0.01:5;
y0=sinc(t);
hold on
plot(t,y0,'r--')
y1=sinc(t+3);
plot(t,y1)
y2=sinc(t+2);
y3=sinc(t+1);
y4=sinc(t-1);
y5=sinc(t-2);
y6=sinc(t-3);
y=y1+y2-y3++2*y0-2*y4+y5+2*y6;
plot(t,y,'b')