[Discuss-gnuradio] atsc_cpll *almost* works

[Achilleas Anastasopoulos]

Chuck,

Isn't this line

>   gr_complex filtered_IQ = afc.filter(gr_complex(I,Q));

supposed to be

>   gr_complex filtered_IQ = afc.filter(IQ);

instead?

Achilleas

> Almost working:
>
>   gr_complex input = agc.scale(in[k]);
>   gr_sincosf(d_phase,&a_sin,&a_cos);
>
>   gr_complex IQ = input * gr_complex(a_cos,-a_sin);
>
>   out[k] = IQ.real();
>   gr_complex filtered_IQ = afc.filter(gr_complex(I,Q));
>   float x = phase_detector(filtered_IQ,0);
>   static const float alpha = 0.001;
>   static const float beta = alpha * alpha / 4;
>   d_freq = d_freq + beta * x;
>   d_phase = mod_2pi(d_phase + d_freq + alpha * x);