Re: [Discuss-gnuradio] PSK demodulation : get exact point before deciding what is the closest constellation point

[Eric Blossom]

On Mon, Feb 22, 2010 at 12:03:28PM -0500, address@hidden wrote:
> Hi all !
>  
> I am dealing with PSK (BPSK, QPSK, 8PSK) modulation/demodulation ;
> in demodulation, I would want to retrieve the exact point (vector)
> before finding the closest constellation point.
K
>  
> Is there any way to get it with d?psk.py codes or whatever else ?
>  
> Thanks in advance for your help.
>  
> Chris

Chris,

If you look at the code
(gnuradio-core/src/python/gnuradio/blks2impl/dbpsk.py et al.), you'll
see that you can enable logging (and get all the intermediate values
logged to files) or you could just wire in your own logging stuff
wired in by reaching into the hier_block and connecting away.

Eric