On Fri, Mar 31, 2006 at 05:10:40PM -0500, Clark Pope wrote: > I would doubt that unless your USRP is defective. The phase noise should > only become a major factor at baud rates below about 10 kbaud. > > What's the actual bandwidth of the DAB signal? Did you try collecting at 4 > MSPS and then downsampling to the FFT sample rate? Maybe the CIC or > compensation filter transition are distorting the final result. > > -Clark > > >> > >> DAB is using COFDM with pi/4-DPSK on 1536 subcarriers (see www.etsi.com, > >standard > >> EN300401 for details). I wrote some Matlab code to demodulate the > >> signal. The data is resampled from 2 MHz (URSP) to 2.048 MHz (DAB > >Standard). > >> A frequency offset is compensated manually.
How did you resample from 2.000MHz to 2.048 MHz? Eric _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
