我在用间接法计算PSD的时候为何,输出报错啊?。
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我的代码如下:
Fs=100000;
xn=IVtSampling3PMOSVGS1;
nfft=1024;
cxn=xcorr(xn,'unbiased');
CXk=fft(cxn,nfft);
Pxx=abs(CXk);
index=0:round(nfft/2-1);
k=index*Fs/nfft;
plot_Pxx=10*log10(Pxx(index+1));
plot(k,Pxx);

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