Discrete Fourier Transform

Definition: let x[n] be a DT signal with Period N.

$ X [k] = \sum_{k=0}^{N-1} x[n].e^{-J.2pi.kn/N} $

$ x [n] = (1/N) \sum_{k=0}^{N-1} X[k].e^{J.2pi.kn/N} $

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  • Student_summary_Discrete_Fourier_transform_ECE438F09
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