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Re: [Discuss-gnuradio] Spurious samples in data set??
From: |
Eric Blossom |
Subject: |
Re: [Discuss-gnuradio] Spurious samples in data set?? |
Date: |
Tue, 6 Nov 2007 14:49:12 -0800 |
User-agent: |
Mutt/1.5.9i |
On Tue, Nov 06, 2007 at 11:45:59PM +0200, Aadil Volkwin wrote:
> Hi,
>
> Thanks for taking the time to answer my questions.
>
> I'd like to seek clarity on your first point, how am I losing the quadrature
> component?
You're using gr.complex_to_float, and then only using one of the two
output streams. You're keeping the real stream and discarding the
imaginary stream.
> I'm afraid i'm still working out exactly how some of these functions operate
> and I may be missing something trivial.
> thanks
> Aadil
>
>
> > Aadil,
> >
> > There seem to be some issues with your acquisition code:
> >
> > (1) you're thowing away the the quadrature component of the complex
> > baseband signal from the USRP.
> >
> > (2) you should be be using fg.start() / fg.wait(), not fg.stop().
> > It would be easier if you just used fg.run()
> >
> > Eric
> >