hi all, 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 yours, osama riad
> Date: Sun, 26 Feb 2012 13:09:28 -0500 > From: [email protected] > To: [email protected]; [email protected] > 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 > http://www.sbrac.org > > > > _______________________________________________ > Discuss-gnuradio mailing list > [email protected] > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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