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Re: [Discuss-gnuradio] FFT Spectral smoothing

From: Matt Ettus
Subject: Re: [Discuss-gnuradio] FFT Spectral smoothing
Date: Fri, 22 Jun 2007 13:23:49 -0700
User-agent: Thunderbird (X11/20070326)

Peter Monta wrote:
>>> i'd like to do spectral smoothing on an FFT in real time through
>>> Is there a function that will allow me to do this in the GNU_RADIO
>>> modules?
>> Are you referring to smoothing FFT bins over time or over frequency?
> I guess he means time.  This would greatly improve
> the FFT demos, since currently there is no "video
> filtering", as the spectrum analyzer folks say.
> A more flexible spectral estimate would allow showing
> nice clean noise floors at the expense of a little
> measurement time.

If you right-click in the spectrum window you will see an option for
averaging and peak-hold.


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