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Re: [Discuss-gnuradio] gr_fractional_interpolator


From: Colby Boyer
Subject: Re: [Discuss-gnuradio] gr_fractional_interpolator
Date: Fri, 15 Jul 2011 19:16:29 -0700

The fractional interpolator works by shifting the phase through a block of fractionally delayed filters. It rolls over every full sample.

It should be easy to put a method in that will advance this phase. Just add some mutex around some of the variables.

On Fri, Jul 15, 2011 at 2:16 PM, Marcus D. Leech <address@hidden> wrote:
I'm just looking at the gr_fractional_interpolator, and looks to me like there's no way to adjust the phase-shift after the block is
 instantiated.  Is this deliberate?

I have an application where I need to tweak the phase at run-time (not very often, but I don't want to have to stop, reconfig, and start again).


--
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org



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