private void Execute()
{
var fftLength = FftLength();
var garbage = 0;
var fft = new LiveFftAnalyzer(new G313IfProvider(_radio), fftLength);
fft.FftCalculated += (s, e) =>
{
garbage++;
if (garbage < _sweepParameters.FftWarmup)
{
return;
}
fft.Stop();
fft.Reset();
SweepBins(e);
garbage = 0;
_fftLock.Set();
};
var start = _sweepParameters.From + _sweepParameters.SweepSpan;
var end = _sweepParameters.To - _sweepParameters.SweepSpan;
for (var i = start; i < end; i += _sweepParameters.SweepSpan)
{
if (_stop)
{
//OnSweepFinished();
fft.Stop();
return;
}
_fftLock.Reset();
_radio.Frequency((uint)i);
fft.Start();
_fftLock.WaitOne();
}
//OnSweepFinished();
}
/// <summary>
/// Gets BinPrameters with high resolution FFT settings.
/// </summary>
/// <param name="radio">Radio context.</param>
/// <returns>Returns <see cref="BinParameters"/> specified parameters.</returns>
public static BinParameters BinParametersDetailed(this G313Radio radio)
{
var parameters = new BinParameters
{
BinsPerPoint = 1,
CalibrationAmplitude = 1.0,//1.0 in sweeper is better
CarrierFrequency = radio.Frequency(),
MinimumIntensityDb = -100,
Relative = true,
SamplingRate = radio.Demodulator().IfSamplingRate()
};
return(parameters);
}