On Fri, Jul 18, 2014 at 4:47 AM, Martin Braun <martin.br...@ettus.com> wrote:
> On 07/18/2014 06:55 AM, gsmandvoip wrote: > > hello list, > > when I am trying to channelize a baseband with following specs: > > sample rate: 2MHz > > bandwidth for low pass filter: 145kHz > > transition bandwidth: 10 kHz > > number of channels: 10 > > pfb decimation: 4 > > > > When I see number of channels is 91 taps/channel, but I think its too > > much, please guide me how to reduce taps/channel > > In order to reduce taps, you must increase the transition bandwidth. Use > the filter design tool to get a feeling for this. > Note that this is basic signal processing knowledge, if these things are > unclear I recommend you study a DSP textbook. For recommendations, see > the gnuradio.org wiki and the 'suggested reading' section. > > Martin > I'd recommend fred harris' book Multirate Signal Processing specifically to help you with this question. Tom
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