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Re: [Discuss-gnuradio] GNU Radio IIR Filter Taps
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From: |
Mark Haun |
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Subject: |
Re: [Discuss-gnuradio] GNU Radio IIR Filter Taps |
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Date: |
Fri, 22 May 2015 13:44:37 -0700 |
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User-agent: |
Mutt/1.5.21 (2010-09-15) |
Sorry, you're right, it should be b1*x(n-1). --Mark
Keyur Parikh address@hidden wrote:
> Thanks for your reply. Quick question: the second term isn't b1*x(n-1)?
>
> On Fri, May 22, 2015 at 10:30 AM, Mark Haun <address@hidden> wrote:
> > Keyur Parikh address@hidden wrote:
> > > I'm in fm_emph.py and can see the taps listed as
> > >
> > > btaps = [b0, b1]
> > > ataps = [1, a1]
> >
> > This looks like "MATLAB form". If so, the difference equation should be
> > y(n) = b0*x(n) + b1*x(n) - a1*y(n-1)
> >
> > Mark
> >