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From: | Martin Braun |
Subject: | Re: [Discuss-gnuradio] Measuring phase between channels |
Date: | Tue, 17 Jun 2014 19:36:27 +0200 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 |
On 17.06.2014 19:06, David Miller wrote:
Hello, I want to measure the phase difference between three synchronised USRP channels (Common Ref & PPS), does software exist to do this, and to what accuracy, please? Sorry, this is a bit of a newbie question, and probably already covered!
Sure, the easiest way would simply be to put in a scope, and check by looking -- of course, that's not very accurate.
There's enough math operators in GNU Radio to see the actual phase difference, such as conjugate and multiply, then convert to phase.
Cheers, Martin
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