Re: [Discuss-gnuradio] Here's a little beauty

[Marcus D. Leech]

> On Jul 5, 2011, at 10:50 PM, Colby Boyer wrote:
> > Not clear to me how to use them to effect non-uniformly-spaced channels.  Also, 
> > individual channels will have their own bandwidths.
> See also: "Polyphase Filter Banks For Unequal Channel Bandwidths And Arbitrary 
> Center Frequencies" by fred harris et.al..  I don't know of anyone who's implemented 
> this yet; and, really IIRC, the complexity is absurd.  But it might work ;) - MLD
>
>
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Thanks.  I did try the polyphase channelizer briefly, using a simple 
low-pass filter, and it provoked roughly as many 'O's as any of the other
  approaches.  I think I may need a faster CPU for handling 25Msps, no 
matter how I do it.




--
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org