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*You can copy the table syntax from  
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*You can copy the table syntax from [[CT_Fourier_Transform_(frequency_in_hertz)|this page]]
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*You can copy and paste the formulas from these pages:
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**[[Student_summary_Discrete_Fourier_transform_ECE438F09]]
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**[[Discrete_Time_Fourier_Transform_Properties_(DTFT)_-_Mohammed_Almathami]]
  
 
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[[Collective_Table_of_Formulas|Back to Collective Table]]
 
[[Collective_Table_of_Formulas|Back to Collective Table]]
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[[Category:Formulas]]

Revision as of 05:28, 26 October 2010

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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