Digital Filtering

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Utility

The scripts on this page require the utility module tompy.py


Butterworth Sixth-order Filter

The filtering relationship can be implemented in Python by importing the lfilter function from scipy.

from scipy.signal import lfilter

A script is given at filter.py

See also: Butterworth Filter Blog Post


Bessel Two-pole Lowpass Filter

A script is given at Bessel_lowpass_filter.py

See also: Bessel Filter Blog Post


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