Remove_Annual

Removes the power at 12.0 mo and harmonics

Version 1.0.0.0 (2.42 KB)
734 Downloads
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30 Mar 2016

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This routine computes the fft of the input signal and removes power at the annual (or any specified frequency) by replacing the power at that frequency with the average of terms on both sides; this is done in the sine and cosine terms so as to average the power and the phase.

Cite As

Tony Sturges (2026). Remove_Annual (https://www.mathworks.com/matlabcentral/fileexchange/19851-remove_annual), MATLAB Central File Exchange. Retrieved .

Categories

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
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Version Published Release Notes
1.0.0.0

It is crucial that the number of data points allow the annual frequency to fall on one of the FFT frequencies.