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Re: [Discuss-gnuradio] A Question on WX GUI FFT Sink

From: LD Zhang
Subject: Re: [Discuss-gnuradio] A Question on WX GUI FFT Sink
Date: Mon, 1 Oct 2012 12:51:34 -0700

I tried to find in the QT GUI Widgets category an item that does FFT. But don't find one. I wonder what is meant by the "QT GUI FFT display"?



On Fri, Sep 28, 2012 at 3:39 PM, Josh Blum <address@hidden> wrote:

On 09/28/2012 02:15 PM, LD Zhang wrote:
> Hello,
> I have a simple GRC demo where the USRP source goes to a WX GUI FFT sink
> and WX GUI Scope sink. They appear to be a good tools for sanity checks.
> One feature I don't find however but I think should be quite necessary is
> when one needs to examine a portion of the FFT spectrum more closely. But I
> don't find an option where one can specify the start and stop frequency for
> the FFT spectrum display. Am I missing something?

WX FFT sink cant do this. But...

FWIW, the QT gui FFT display sink does have a zoom feature.


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