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Re: [Discuss-gnuradio] simultaneous receive/transmit with LFRX/TX
From: |
Eric H. Matlis |
Subject: |
Re: [Discuss-gnuradio] simultaneous receive/transmit with LFRX/TX |
Date: |
Tue, 22 Jan 2008 21:01:55 -0500 |
User-agent: |
Internet Messaging Program (IMP) 3.2.6 |
A fixed latency is fine, as long as it stays fixed, although I'll want to know
what it is. I noticed an example "...loop....py" (can't remember the name
exactly) which sends and receives on the same USRP; I imagine I can use that
version?
thanks,
eric
p.s.- I went ahead and ordered the LFTX board.
Quoting Eric Blossom <address@hidden>:
> On Tue, Jan 22, 2008 at 04:41:53PM -0500, address@hidden wrote:
> > Hi all-
> >
> > I looked over the mailing list, and I think I see that what I want to do is
> > possible, but I want to verify before I order the parts:
> >
> > I want to receive an AM modulated waveform using an LFRX, demodulate it,
> > and simultaneously and in a phase-locked way send out the demodulated
> > waveform at baseband from an LFTX so that it can be acquired by a scope or
> > secondary acquisition system. Basically, the gnuradio device would serve
> > as an intermediary block which demodulates the signal in question so that
> > it can be acquired. The process needs to be phase locked because I am
> > correlating the input signal with a second signal (a position encoder),
> > both of which will be acquired by the second acquisition system.
> >
> > If anybody can let me know why I can't do this, I would appreciate it.
> > Suggestions also welcome.
> >
> > thanks,
> > eric
>
> You should be able to do this. Can you deal with a fixed latency
> between the received signal the output you're generating?
>
> Eric
>
************************************
Eric H. Matlis, Ph.D.
Aerospace & Mechanical Engineering Dept.
120 Hessert Laboratory for Aerospace Research
University of Notre Dame
Notre Dame, IN 46556-5684
Phone: (574) 631-6054
Fax: (574) 631-8355