FFT Notes

This shows how to process a signal with an odd and even length fft.

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Cite As

Jason Nicholson (2026). FFT Notes (https://www.mathworks.com/matlabcentral/fileexchange/70403-fft-notes), MATLAB Central File Exchange. Retrieved .

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Find more on Fourier Analysis and Filtering in Help Center and MATLAB Answers

General Information

MATLAB Release Compatibility

  • Compatible with any release

Platform Compatibility

  • Windows
  • macOS
  • Linux
Version Published Release Notes Action
1.1.3

Fixed incorrect scaling of Nyquist frequency. Only double frequencies that have a conjugate frequency. Don't double the mean or Nyquist frequency amplitudes.

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1.1.2

Fixed a typo

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1.1.1

small minor update for clarity.

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1.1.0

Reformatted the script. I made the document more clear.

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1.0.1

Adding an image

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1.0.0

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