我想绘制St函数St=5*cos(80*pi*t)+10*cos(400*pi*t);这个的图像,画出之后有图像界面但是没有图,求教是哪里出问题了
Fh=200;
Fl=40;
B=Fh-Fl ;
Fs=2*B+2*(Fh-B);
y=[];
x=0:(1/0.5*Fs):0.1;
i=1;
for t=0:(1/0.5*Fs):0.1
St=5*cos(80*pi*t)+10*cos(400*pi*t);
y(i)=St;
i=i+1;
end
figure;
plot(x,y);

 Accepted Answer

qrbengr
qrbengr on 21 May 2023

0 votes

仅供参考,(1/0.5*Fs)等于800,这个步长会导致x为数值零,而且for只循环一次

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on 21 May 2023

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on 21 May 2023

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