When we apply fourier transform over a signal will i get same power or energy signal as i get in time domain?
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Kindly, elaborate the ans if yes then how and no then how?
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Matt J
am 12 Sep. 2013
If you normalize appropriately, then yes. E.g.,
>> x=rand(1,5);
>> norm(x)
ans =
1.6536
>> norm(fft(x)/sqrt(numel(x)))
ans =
1.6536
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