[SciPy-Dev] Algorithm for butterworth filter implementation
Sun Jul 22 07:34:27 CDT 2012
You probably did the common mistake of assuming an N-order LP followed by an N-order HP produces an N-order BP. That is not an algorithmic issue.
Den 21. juli 2012 kl. 23:33 skrev Bogdan Cristea <email@example.com>:
> Could someone provide me with some hints about the algorithm used to compute
> the coefficients for the butterworth filter found in scipy ? I am interested
> in the passband version of this filter since concatenating a low pass and a
> high pass filter does not produce the same frequency response as the passband
> filter provided by scipy.
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