|From:||Anderson, Douglas J.|
|Subject:||Re: [Discuss-gnuradio] voltage pulse from UHD driver|
|Date:||Thu, 15 Jan 2015 17:55:29 +0000|
I don't think it's tuning effects, if I'm understanding that correctly. You mean that after you retune the USRP, the LO will take some time to settle?
In the script I posted, that shouldn't be a factor, as the UHD instance is created and tuned when I import the file in the python interpreter, and the acquisitions are then run later and without retuning the USRP.
I might be misunderstanding the issue, like if there is something that needs to settle each and every time an acquisition is requested independent of actual frequency tuning.
... but that's the reason for my question: so that I can better understand the underlying process. Thank you for the details!
From: Nick Foster address@hidden
Sent: Thursday, January 15, 2015 10:49 AM
To: Anderson, Douglas J.
Cc: GNURadio Discussion List
Subject: Re: [Discuss-gnuradio] voltage pulse from UHD driver
Nothing. The timing might be a little different -- if it's tuning effects you're seeing, there's effectively a race condition between tuning and sample collection. Gnuradio will never discard samples off the front unless you use a Skip Head block, which you should probably be doing as evidently you aren't expecting your samples to be tightly synchronized to any particular point in time.
On Thu, Jan 15, 2015 at 9:46 AM, Anderson, Douglas J. <address@hidden> wrote:
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