m0728.m

MATLAB仿真技术与实例应用教程

b=[0.1 0.3 0.5 0.7 0.9];
Fs=1000;
t=0:1/Fs:1;
xn=randn(length(t),1);
yn=filter(b,1,xn);
csd(xn,yn);
title('互功率谱密度');