ofdm/oqam sync: cleaning up equalizer gain estimation
ofdm/oqam sync: cleaning up equalizer gain estimation

  * inverting estimated channel response
  * applying estimate to estimate of S1 metrics
  * vastly improves S1 detection in multi-path channels

andrepuschmann/liquid-dsp,jgaeddert/liquid-dsp,cjcliffe/liquid-dsp,biotrump/liquid-dsp,JayKickliter/liquid-dsp,wangning223/liquid-dsp,wangning223/liquid-dsp,JayKickliter/liquid-dsp,wangning223/liquid-dsp,manuts/liquid-dsp,manuts/liquid-dsp,manuts/liquid-dsp,wangning223/liquid-dsp,andrepuschmann/liquid-dsp,JayKickliter/liquid-dsp,andrepuschmann/liquid-dsp,JayKickliter/liquid-dsp,jgaeddert/liquid-dsp,jgaeddert/liquid-dsp,biotrump/liquid-dsp,cjcliffe/liquid-dsp,biotrump/liquid-dsp,manuts/liquid-dsp,jgaeddert/liquid-dsp,JayKickliter/liquid-dsp,cjcliffe/liquid-dsp,manuts/liquid-dsp,jgaeddert/liquid-dsp,wangning223/liquid-dsp,andrepuschmann/liquid-dsp,cjcliffe/liquid-dsp,andrepuschmann/liquid-dsp,biotrump/liquid-dsp,biotrump/liquid-dsp,cjcliffe/liquid-dsp