opnsense-ports/math/py-PyWavelets/pkg-descr
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PyWavelets is a free Open Source library for wavelet transforms in Python.
Wavelets are mathematical basis functions that are localized in both time and
frequency. Wavelet transforms are time-frequency transforms employing wavelets.
They are similar to Fourier transforms, the difference being that Fourier
transforms are localized only in frequency instead of in time and frequency.
WWW: https://github.com/PyWavelets/pywt