Re: [Discuss-gnuradio] [USRP-users] USRP, GNURadio Companion, Polyphase Channelizer Issue

[Marcus D. Leech]

On 02/16/2015 04:54 PM, Ali Riaz wrote:
> Hi Marcus,
>
> I was the one who posted a question on the usrp-mailing list regarding 
> the gnuradio companion channelizer a couple of days back, and was 
> wondering if you could help me on something. I tried using the filter 
> as you suggested, but I get a very strange result. I tried to get two 
> partitioned channels, but they're being partitioned in a very strange 
> manner. I've attached a photo for a visual for what I'm getting as a 
> result. Any idea why that's happening?
>
> P.S My apologies, I know you pointed me to the GNUradio discussion 
> mailing list, but it's been a while, and nobody has responded yet, and 
> so far all I have is your clue to go on.
>
> Thank you so much for all your help, really appreciate it.
>
> Best,
> Ali
This is very squarely in the domain of the discuss-gnuradio mailing list.

My understanding is that the polyphase channelizer behaves that way for 
even-numbers of channels.  Tom Rondeau on the discuss-gnuradio mailing list
  is the best person, probably, to explain this.  I've copied that list.