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Re: [Discuss-gnuradio] Questions

From: Marcus Leech
Subject: Re: [Discuss-gnuradio] Questions
Date: Fri, 25 Feb 2005 14:57:13 -0500
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That means that you could conceivably build a 4-port correlator
 (for radio astronomy) out of a single USRP, assuming that your
 front-ends are all running from a single oscillator/reference.

Eric Blossom wrote:

On Fri, Feb 25, 2005 at 02:58:36AM -0000, Robert McGwier wrote:
I want to take four streams from the four channels of my
basic RX's.  I want to know that the blocks from the four
gazintas will maintain synchrony.  I will be doing coherent
processing on the four inputs and this is critical.


Yes, they will maintain synchrony.  The A/D's use a common clock.
The streams are processed in parallel in the FPGA in lock-step.  The
channel are interleaved in the stream across the USB and into user


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