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From: | Marcus Müller |
Subject: | Re: [Discuss-gnuradio] Saving the I/Q samples of multiple synchronized USRPs |
Date: | Mon, 18 Jul 2016 18:20:20 +0200 |
User-agent: | K-9 Mail for Android |
Thanks Martin.Is there any particular reason why I see different file sizes for the former (file-sink) case? I ctrl+c the hand edited python file to stop sample collection. The file sinks are unbuffered. Since they are of different sizes, is there a way to know which samples align in time ?Thanks!On Fri, Jul 15, 2016 at 5:30 PM, Martin Braun <address@hidden> wrote:This'll work. However, the uhd_rx_cfile utility that comes with GNU
Radio will do that for you.
Cheers,
M
> _______________________________________________
On 07/15/2016 11:33 AM, avinash kalyanaraman wrote:
> Hi all,
>
> I want to analyze the I/Q samples of 3 synchronized USRPs (connected to
> an Octoclock G). I have synchronized the USRPs according to
> http://files.ettus.com/manual/page_sync.html (i.e. I hand-modified the
> python file generated by GRC).
>
> I am feeding the output of my USRP Source block (with 3 channels and 3
> motherboards) to three file sink blocks. Would this be enough to save my
> synchronized I/Q samples ?
>
> I notice that the size of the three files (storing the I/Q samples)
> aren't the same after my run.
>
> Attached is also a screenshot of the GRC file.
>
> Thanks!
>
> --
> Avinash
>
>
> Discuss-gnuradio mailing list
> address@hidden
> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>
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