Hi Namrata,

USRPs use UHD as their hardware driver. [1] provides lots of documentation
about USRPs.
Have fun and happy hacking
Johannes

[1] http://code.ettus.com/redmine/ettus/projects/uhd/wiki


On Tue, Dec 3, 2013 at 8:34 AM, Namrata Kamte <namrata.ka...@gmail.com>wrote:

> Hello.
>
> I am a graduate student researcher with the Satellite Technology Lab at
> The University of Texas at Arlington.
>
> I've been trying to find out the working behind the USRP source block. I
> did find some basic description (like what it does in a few sentences and
> the arguments it accepts) in the GNU radio documentation but could not find
> detailed information. My queries include the following:
>
> 1:  How exactly does the USRP source block process an incoming signal?
> Meaning, what kind of signal processing techniques does it use?
> 2:  What kind of sampling techniques does the USRP block use on the
> incoming signal?
>
> I've looked into the Python (Sphinx) and C++ (Doxygen) documentation
> provided by GNU radio but was unable to find a thorough design document on
> the USRP source block.
>
> I was wondering if someone could please provide a detailed description of
> the USRP source block including it's signal processing and sampling
> techniques.
> I am hoping to save all the time and effort that would go into going
> through all the USRP codes line by line.
>
> Please pardon me if the above problem seems trivial or simplistic. I am
> very new to GNU radio and would really appreciate some direction.
>
> Thanks and regards,
> Namrata Kamte
>
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