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Reconstruction of the Fourier transform from its parts

  1. Sep 8, 2016 #1
    I am using ROOT to calculate the Fourier transform of a digital signal. I can extract the individual parts of the transform, the magnitude and phase in the form of a 1D histogram. I am attempting to reconstruct the transforms from the phase and magnitude but cannot seem to figure it out. Any help would be great. I think it is just a general question on how to reconstruct the transform from its individual parts.
  2. jcsd
  3. Sep 9, 2016 #2


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    Science Advisor

    First, can you write down what the Fourier transform means in terms of the phase and magnitude?

    Given that, what have you tried so far?
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