Thanks Tom.
On Mon, Jan 31, 2011 at 1:04 AM, Tom Rondeau <[email protected]> wrote: > 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 >
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