public void FIRFilter_CreateNewObject()
{
FIRFilter Filter = new FIRFilter(new List <double>()
{
0.25, 0.25, 0.25, 0.25
});
}
public void FIRFilter_FilterFewSamples()
{
FIRFilter Filter = new FIRFilter(new List <double>()
{
0.25, 0.25, 0.25, 0.25
});
Filter.AddSample(new Sample(0, 0));
Filter.AddSample(new Sample(1, 1));
Filter.AddSample(new Sample(2, 2));
Filter.AddSample(new Sample(3, 4));
Sample filteredSample = Filter.AddSample(new Sample(4, 8));
Assert.AreEqual((1 * 0.25 + 2 * 0.25 + 4 * 0.25 + 8 * 0.25), filteredSample.Value);
filteredSample = Filter.AddSample(new Sample(5, 2));
Assert.AreEqual((2 * 0.25 + 4 * 0.25 + 8 * 0.25 + 2 * 0.25), filteredSample.Value);
}
public Demodulation()
{
CursorWindowFilterI = new FIRFilter(FIRCoefficients.FIRLowPass_4);
CursorWindowFilterQ = new FIRFilter(FIRCoefficients.FIRLowPass_4);
}
private void GenerateChart()
{
if (csv == null)
{
return;
}
WaitingScreen.Visible = true;
this.Refresh();
list1.Clear();
list2.Clear();
IFilter Filter;
string FilterType = FilterSelector.Text;
switch (FilterType)
{
case "FIR Filter":
Filter = new FIRFilter(new List <double>()
{
0.25, 0.25, 0.25, 0.25
});
break;
case "Alpha Beta Filter":
Filter = new AlphaBetaFilter(0.2, 0.3);
break;
case "Smart Alpha Beta Filter":
Filter = new SmartAlphaBetaFilter(0.003307643036326, 200);
break;
default:
Filter = null;
break;
}
int PreviousProgress = 0;
int Progress = 0;
int i = 0;
Integrator integrator = new Integrator();
foreach (KeyValuePair <double, List <double> > entry in csv.Data)
{
InertialNavigationSystem.Sample sample = new InertialNavigationSystem.Sample(entry.Key, entry.Value[ColumnSelector.SelectedIndex]);
if (Filter != null)
{
sample = Filter.AddSample(sample);
}
list1.Add(sample.Time, sample.Value);
integrator.AddSample(sample);
if (DrawIntegral.Checked)
{
list2.Add(sample.Time, integrator.Value);
}
i++;
Progress = i * 100 / csv.Data.Count;
if (PreviousProgress != Progress)
{
ProgressIndicator.Value = Progress;
Application.DoEvents();
}
PreviousProgress = Progress;
}
Chart1.AxisChange();
Chart1.Refresh();
WaitingScreen.Visible = false;
}
