On Fri, 2016-04-01 at 09:18 -0400, Andy Walls wrote:
> In the generated *.py script I added one line near the end:
>
> print tb.get_modulated_preamble_untrimmed()
>
> So you can so this:
>
> $ source <path_to_target>/setup_env.sh
> $ ./Rx_syncd.py | grep -v volk | sed -e 's/(//g' -e 's/)//g' > foo.txt
> $ octave
> octave:1> x = csvread('foo.txt');
> octave:2> t = [1:length(x)];
> octave:3> plot(t,abs(x))
> octave:4> plot(t,arg(x)/pi)
>
> and see why I picked the values I did to trim the modulated preamble to
> the correct set of samples.
It would be really nice, if from within GRC, a supporting tool could
spawn display what the modulate vector blocks will generate. :)
Regards,
Andy
> The modulator that generates the reference sequence has a pretty long
> delay, and the first copy of the preamble it outputs is a little
> distorted at the first symbol. That's why I snipped out the second copy
> of the preamble.
>
> Regards,
> Andy
>
_______________________________________________
Discuss-gnuradio mailing list
[email protected]
https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
