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Re: [Discuss-gnuradio] gr_delay


From: Marcus D. Leech
Subject: Re: [Discuss-gnuradio] gr_delay
Date: Wed, 02 Nov 2011 22:20:34 -0400
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On 11/02/2011 09:48 PM, Johnathan Corgan wrote:
On Wed, Nov 2, 2011 at 18:41, Marcus D. Leech <address@hidden> wrote:
 
Also, I wonder whether it has anything to do with the fact that it's a gr_sync_block, and not a gr_sync_decimator.  The FIR filters are all
  gr_sync_decimators, and perhaps the block executors treatment of them and their history setting is the main difference here.

I don't think it matters.  Grepping the tree to find out what code pays attention to d_history member in the block class turns up...very little aside from the initial block construction sequence (creating buffers, etc.)

Johnathan
OK, so here's a new attemp, with dynamic selection of taps for the FIR filter.  It also appears to not work.  Only filter taps that exist on
  startup are working properly.  Gulp.



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

Attachment: delay_test.grc
Description: application/gnuradio-grc

Attachment: delay_test.py
Description: Text Data


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