Introduce function to perform fractional octave smoothing

Introduce a function to perform fractional octave smoothing of spectra acquired via Fourier Transform.

added Feature Field::DSP Language::Matlab/Octave labels

requested review from @ZaellixA

By Achilles Kappis on 2024-09-20T19:00:55

assigned to @ZaellixA

By Achilles Kappis on 2024-09-20T19:00:55

approved this merge request

By Achilles Kappis on 2024-09-20T19:01:11

mentioned in commit 41aad6cb

By Achilles Kappis on 2024-09-20T19:01:19

merged