public void Correlate()
{
if (SelectedSignalCorrelate1 != null && SelectedSignalCorrelate1.HasData() && SelectedSignalCorrelate2 != null && SelectedSignalCorrelate2.HasData())
{
SampledSignal signal = new SampledSignal();
signal.PointsY = Correlation.ComputeSignal(SelectedSignalCorrelate1.PointsY, SelectedSignalCorrelate2.PointsY);
signal.Name = $"({SelectedSignalCorrelate1.Name})C({SelectedSignalCorrelate2.Name})";
SignalCreator.AddSignal(signal);
}
}
private void FirstDraw()
{
ChartSeriesOriginal = new SeriesCollection();
ChartSeriesReceived = new SeriesCollection();
ChartSeriesCorrelate = new SeriesCollection();
ChartValues <double> values = new ChartValues <double>();
ReceivedValues = new ChartValues <double>();
CorrelateValues = new ChartValues <double>();
List <double> pointsY = SelectedSignal.PointsY;
List <double> correlateSignal = Correlation.ComputeSignal(SelectedSignal.PointsY, SelectedSignal.PointsY);
for (int i = 0; i < pointsY.Count; i++)
{
values.Add(pointsY[i]);
ReceivedValues.Add(pointsY[i]);
}
for (int i = 0; i < correlateSignal.Count; i++)
{
CorrelateValues.Add(correlateSignal[i]);
}
ChartSeriesOriginal.Add(new ScatterSeries()
{
StrokeThickness = 5,
PointGeometry = new EllipseGeometry(),
Values = values
});
ChartSeriesReceived.Add(new ScatterSeries()
{
StrokeThickness = 5,
PointGeometry = new EllipseGeometry(),
Values = ReceivedValues
});
ChartSeriesCorrelate.Add(new ScatterSeries()
{
StrokeThickness = 5,
PointGeometry = new EllipseGeometry(),
Values = CorrelateValues
});
}
private void Timer_Elapsed(object sender, ElapsedEventArgs e)
{
S += ObjectV * T;
SampledSignal signal = (SampledSignal)SelectedSignal;
int samplesToMove = (int)(S / V * signal.Frequency * 2);
int samplesLeft = signal.PointsY.Count - samplesToMove;
List <double> pointsLeft = signal.PointsY.Take(samplesLeft).ToList();
List <double> receivedSignal = signal.PointsY.Skip(samplesLeft).ToList();
receivedSignal.AddRange(pointsLeft);
List <double> correlateSignal = Correlation.ComputeSignal(SelectedSignal.PointsY, receivedSignal);
DrawReceived(receivedSignal);
DrawCorrelate(correlateSignal);
List <double> rightHalf = correlateSignal.Skip((correlateSignal.Count - 1) / 2).ToList();
int maximum = rightHalf.FindIndex(c => c == rightHalf.Max());
CalculatedS = V * (maximum / signal.Frequency) / 2;
}
