duopule.asv

该程序是信号的多普勒现象

%多普勒效应
x0=100;
v=150;
y=30;
c=340;
wc=5000;
t=0:0.005:30;
r=sqrt((x0-v*t).^2+y.^2);
t1=t-r/c;
u=1.5*sin(wc*t);