Discrete frequency domain

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A discrete frequency domain is a frequency domain that is discrete rather than continuous.

For example, the discrete Fourier transform maps a function having a discrete time domain into one having a discrete frequency domain. The discrete-time Fourier transform, on the other hand, maps functions with discrete time (discrete-time signals) to functions that have a continuous frequency domain.[1][2]

References

  1. ^ C. Britton Rorabaugh (1998). DSP primer. McGraw-Hill Professional. p. 153. ISBN 978-0-07-054004-0.
  2. ^ Shanbao Tong and Nitish Vyomesh Thakor (2009). Quantitative EEG analysis methods and clinical applications. Artech House. p. 53. ISBN 978-1-59693-204-3.
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