请教高手Matlab关于spectrum命令的用法

Question

如题所述

Answer 1

例：Fs = 1000;
t = 0:1/Fs:.3;
x=cos(2*pi*t*200)+randn(size(t));
Hs=spectrum.periodogram;
psd(Hs,x,'Fs',Fs)本回答被提问者和网友采纳