On Fri, Mar 09, 2007 at 07:04:06PM +0100, Martin Dvh wrote: > I would like to use gr_fractional_interpolator > But I get: > self.interp=gr.fractional_interpolator( options.phase_shift,interp_ratio) > AttributeError: 'module' object has no attribute 'fractional_interpolator' >
> Apparantly the module doesn't exist anymore, although > gr_fractional_interpolator.h and gr_fractional_interpolator.cc > exist. > > I suspect there should also be a: > gr_fractional_interpolator.i This was apparently never finished or tested. I understand that Johnathan has a patch that will fix this. The underlying code is known to work. > But I couldn't find it in my source or any of the older gnuradio > releases I have laying around. > I know there is a rational_resampler in gnuradio now, but there you > have to give your interpolator taps. Actually, if you use blks.rational_resampler_fff it'll design an appropriate filter for you. See gnuradio-examples/python/audio/test_resampler.py > The good thing of gr_fractional_interpolator is that it uses > mmse_fir_interpolator which has optimized performance for > low-tap-numbers. > Could anybody tell me how to get gr_fractional_interpolator to work > or where gr_fractional_interpolator.i is. > Greetings, > Martin Eric _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
