MATLAB Online에서 열기 Iam using pwelch as: 테마복사 dat = data; % in uv win = 1024; wlen= hamming(win); nfft = win; SpectType = 'psd'; Noverlap = []; Fs = 1000; [Pxx,f] = pwelch(dat,wlen,Noverlap,nfft,Fs,SpectrumType); plot(f,Pxx,'r','LineWidth',1)...