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Re: zero-phase iir_filter block?

From: Marcus D. Leech
Subject: Re: zero-phase iir_filter block?
Date: Mon, 30 Dec 2019 19:38:05 -0500
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0
On 12/30/2019 07:25 PM, Laura Arjona wrote:
Hi all,

Is the zero phase- iir_filter  block in gnuradio?

I thought the iir_filter was zero-phase, but then I get different results with iir_filter(b,a,signal) and the matlab function filtfilt(b,a,x).

Thanks and my best wishes for 2020.

Best


Tne IIR filter in Gnu Radio is a classical uncompensated IIR filter.



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