This PR makes whiten function capable of outputting in the frequency domain. This enhancement is particularly useful when whitening is performed as a preprocessing step for subsequent processes, such as computing cross-correlation.
Checklist
I have (if applicable):
[x] referenced the GitHub issue this PR closes.
[x] documented the new feature with docstrings or appropriate doc page.
Description
This PR makes whiten function capable of outputting in the frequency domain. This enhancement is particularly useful when whitening is performed as a preprocessing step for subsequent processes, such as computing cross-correlation.
Checklist
I have (if applicable):