Re: [Discuss-gnuradio] Regarding phase coherency and rational resampler block

[Marcus Müller]

Hi Steve,

first off, a small hint: the GRC explicitly has a nice "save screenshot" button / Menu entry so that you don't even have to use the screenshot ability of your OS. Please, really, don't take camera pictures of your screen.

But regarding your question:

Yes, since both resamplers are mathematically identical, their group delay will be the same.

Best regards,

Marcus

On 18.11.2016 23:01, Steve Gough wrote:

Hi All,

I have a quick clarification question regarding the use of the Rational Resampler block and phase coherency.

Given a flowgraph with the output of a 2-channel USRP Source block fed into two rational resamplers (as attached sample). If the output samples from the USRP source block for the two channels are phase coherent, then is the output from the two resamplers also phase coherent ?

Thanks,

Steve

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