[SciPy-Dev] Algorithm for butterworth filter implementation

Sturla Molden sturla@molden...
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 <cristeab@gmail.com>:

> Hi
> 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.
> thanks
> -- 
> Bogdan
> _______________________________________________
> SciPy-Dev mailing list
> SciPy-Dev@scipy.org
> http://mail.scipy.org/mailman/listinfo/scipy-dev

More information about the SciPy-Dev mailing list