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RE: [Discuss-gnuradio] want to achieve the symbol rate to 270.833kb/s

From: intermilan
Subject: RE: [Discuss-gnuradio] want to achieve the symbol rate to 270.833kb/s
Date: Sun, 19 Sep 2010 09:08:29 +0800

hi Tom:
          thank you for your answer,I get it .Besides, how do we know the symbol rate if the data in the  air?what did you do to measure the symbol rate?

                                                                                                                                                                                                Thank you in advance

> From: address@hidden
> Date: Fri, 17 Sep 2010 08:21:23 -0400
> Subject: Re: [Discuss-gnuradio] want to achieve the symbol rate to 270.833kb/s
> To: address@hidden
> CC: address@hidden
> 2010/9/17 intermilan <address@hidden>:
> > hi Tom:
> >
> >       I can not find the examples what you asked me to look for.so what the
> > version of your Gnuradio? Mine is 3.2.2.
> >       Besides, I still wonder why I can not use the resampler block in the
> > /gnuradio-core/src/python/gnuradio/blks2impl in which I can set the value of
> > the interpolation and decimation.and the program will automatic to set the
> > parameters of the filter I need.I think it is capable. So can you tell some
> > specific reasons?
> >
> >
> > thank you
> You'll need either GNU Radio 3.3.0 or the latest checkout from git.
> Then yes, you can use the rational resampler. I misunderstood what you
> were saying in your original email. I thought you were having problems
> using the rational resampler to make the values work out properly. The
> nice thing about the arbitrary resampler is that you don't have to
> find a valid set of integers for the interp/decim to get your sample
> rate; instead, you pass it a real number to get out the sample rate
> that you want.
> But running through the numbers, it looks to me like you'll get the
> desired sample rate. So yes, that should work.
> Tom

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