On Sat, Jan 29, 2011 at 10:23 PM, James Jordan <[email protected]> wrote: > Hi all, I use xlating filter get baseband data from a wide band signal, but > the xlating result sample > rate is not what I want, so I need to use resample to convert the signal to > the sample rate what I > want. I find gr_rational_resampler_base_ccc also need a filter(tap). I > already filter the baseband signal > so how should I set the resampler filter(tap)? > > Thanks!
The easiest thing to do is use blks2.rational_resampler_ccc(I, D). This is a wrapper around gr.rational_resampler_base_ccc, but if you don't pass it the taps and just the interpolation and decimation values, it will design a filter for you that is the width of the passband. If you are using the git code (master or next), you can also use blks2.pfb_arb_resampler(rate) where the rate is the real number resampling rate you want. It, too, will automatically generate the filter for you if you don't specify one. Tom _______________________________________________ Discuss-gnuradio mailing list [email protected] http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
