|Subject:||Re: [Discuss-gnuradio] question about the sampling rate|
|Date:||Mon, 27 Feb 2012 11:38:44 +0000|
the usrp final samling rate coming out from the codec is 128 Msps so i think that you should follow this equation : sample rate* interpolation =128 msps you can set the sampling rate =1 msps and the interpolation rate =128
try it and inform me of the result
> Date: Sun, 26 Feb 2012 13:09:28 -0500
> From: address@hidden
> To: address@hidden; address@hidden
> Subject: Re: [Discuss-gnuradio] question about the sampling rate
> On 02/26/2012 12:11 PM, Ahmed Alsawi wrote:
> > Hi all,
> > I am new to gnuradio and i am trying to make simple transmission and
> > reception.
> > I want to understand the sampling rate of the uhd sink and source and
> > how to choose it
> > and the sampling rate of the blocks in the flow graph.
> > when running on sine of 100 kHZ and sampling rate of 0.5 MHz and same
> > sampling rate for uhd
> > I get UUUUUUUUUUUUUUUUUUUUUUUUUU ,it means under sampling,Right?
> > How to avoid it ???
> > Thanks
> Sample rate is really only relevant at the edges, and when calling the
> filter synthesis modules, most interior blocks have no concept of
> sample rate.
> 'U' means under-run the producer (in this case, your program) can't keep
> up with the consumer--the UHD device.
> Marcus Leech
> Principal Investigator
> Shirleys Bay Radio Astronomy Consortium
> Discuss-gnuradio mailing list
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