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[Discuss-gnuradio] Implementation of a butterwork filter with GnuRadio


From: Terry Barnaby
Subject: [Discuss-gnuradio] Implementation of a butterwork filter with GnuRadio
Date: Wed, 28 Sep 2005 16:30:59 +0100
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.10) Gecko/20050909 Fedora/1.7.10-1.3.2

Hi,

We are looking at using the GnuRadio system in a signal processing system
we are designing. One of the requirements is for a butterworth filter.
Does anyone have any sugestions on how to implement this using the
GnuRadio system ?

I note there is an IIR filter implementation "gr_iir_filter_ffd", but
is there a good way to generate the required tap coefficients ?

Terry




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