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Re: [Discuss-gnuradio] how is interpolation rate dynamically set?
From: |
Eric Blossom |
Subject: |
Re: [Discuss-gnuradio] how is interpolation rate dynamically set? |
Date: |
Fri, 26 Sep 2008 18:42:10 -0700 |
User-agent: |
Mutt/1.5.18 (2008-05-17) |
On Fri, Sep 26, 2008 at 03:10:14PM -0700, Bill Stevenson wrote:
> Thank you, Brian!
>
> Now i know how the interpolation changes, but if bitrate were set, how are
> interp/decim rate and
> samples-per-symbol derived respectively? Is there a default value for
> interpolation rate? Thanks!!!
>
> Bill
One of the joys of Free Software is that it comes with the source code.
Take a look at gnuradio-examples/python/digital/pick_bitrate.py
Eric
> From: Brian Padalino <address@hidden>
> To: Bill Stevenson <address@hidden>
> Cc: address@hidden
> Sent: Friday, September 26, 2008 4:09:25 PM
> Subject: Re: [Discuss-gnuradio] how is interpolation rate dynamically set?
>
> On Fri, Sep 26, 2008 at 4:00 PM, Bill Stevenson
> <address@hidden> wrote:
> > Hello, everybody!
> >
> > I am working on the demo file:
> > gnuradio-examples/python/digital/benchmark_tx.py. In the file
> > transmit_path.py, it is said "specify bitrate. samples-per-symbol and
> > interp/decim will be derived." How are interp/decim rate and
> > samples-per-symbol derived respectively? what is the range for the variable
> > interpolation rate? Is interpolation rate increased as a multiple of 4?
> > could anyone tell me where i can find the dynamical range of interpolation
> > rate?