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- Thread starter Mindscrape
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To get amplitude (volt) you need to take the absolute value of the result.

abs(fft(x));

Acctually you will get (volt/radian velocity)

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y=fft(x);

z=abs(y); //Now you have V/Hz

z=z*sqrt(freq) // Now you have V/sqrt(Hz) since (freq/sqrt(freq) = sqrt(freq))

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vela

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