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what happens to amplitude of signal with amplitude 10 after psd?

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Mary Jon
Mary Jon 2014-11-18
关闭： MATLAB Answer Bot 2021-8-20
if the amplitude of signal is 10 when I used this code to find psd the new amplitude become 10*10^5
xDFT_psd = abs(fft(x).^2);
is the new amplitude true ?

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