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Re: [Discuss-gnuradio] GNURadio Run with USRP2 Hangs on Execution

From: Paul B. Huter
Subject: Re: [Discuss-gnuradio] GNURadio Run with USRP2 Hangs on Execution
Date: Wed, 23 Oct 2013 19:06:31 -0500

Thanks, Marcus. I am just saving the data into a data file for later analysis. I only plan to save about a minute of data at a time. I intend to start small, though, and work my way up to see if my computer can handle things.

On Wed, Oct 23, 2013 at 6:59 PM, Marcus D. Leech <address@hidden> wrote:
On 10/23/2013 07:44 PM, Paul B. Huter wrote:

Thank you for your detailed response. If I stick with eight bits and
increase to 50Msps, will that solve the decimation rate problem? I
realize this would result in a decimation rate of two, which would not
be ideal. I may decide to only grab 25MHz, not the full 30, to keep
the decimation rate at four.

Thank you, again.

Paul B. Huter
Keep firmly in mind that your computer will need enough "grunt" to deal with the resulting torrent of samples from the USRP.

Even if you're only recording them, you'll need a minimum of 100Mbyte/second sustained write speed to your disks.

If you're actually *doing something* with the samples, in the mathematical sense, you'll need lots of aggregate GFLOPS to keep up.

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