figb3.m

TI的DSP C55X的应用程序

n=[0:139];
x1n=1.5*sin(2*pi*100*n*0.001+0.25*pi);
x2n=1.2*randn(1,140);
xn=x1n+x2n;
b=[0.0305, 0 -0.0305]; 
a=[1, -1.5695, 0.9391];
yn=filter(b,a,xn);
plot(n,xn,':', n,yn,'-');