public void ConversionTests()
{
NetworkParameter s = NetworkParameter.FromPolarDegree(100, 180);
s.Magnitude_dB.Should().Be(20);
s.Phase_deg.Should().Be(180);
NetworkParameter s2 = NetworkParameter.FromPolarDecibelDegree(20, 180);
s2.Magnitude.Should().Be(100);
s.Phase_deg.Should().Be(180);
NetworkParameter s3 = new NetworkParameter(10, 10);
s3.Phase_deg.Should().Be(45);
NetworkParameter s4 = new NetworkParameter(10, -10);
s4.Phase_deg.Should().Be(-45);
NetworkParameter s5 = NetworkParameter.FromPolarDegree(100 * Math.Sqrt(2), 45);
s5.Real.Should().BeApproximately(100, .001);
s5.Imaginary.Should().BeApproximately(100, .001);
}
public void SimpleRoundTripTest()
{
TouchstoneOptions options = new TouchstoneOptions
{
Format = FormatType.DecibelAngle,
FrequencyUnit = FrequencyUnit.GHz,
Parameter = ParameterType.Scattering,
Resistance = 50
};
string filePath = Path.GetTempFileName();
var ts = new Touchstone(2, options);
int gain_dB = 0;
for (double f = 1e9; f <= 2e9; f += 0.1e9)
{
var gain = NetworkParameter.FromPolarDecibelDegree(gain_dB, 0);
ts.NetworkParameters[f, 2, 1] = gain;
}
ts.Write(filePath);
var result = Touchstone.ReadAllData(filePath);
result.Count.Should().Be(ts.NetworkParameters.Count);
foreach (var freq in result.Frequencies)
{
ts.NetworkParameters[freq, 2, 1].Should().Be(result[freq, 2, 1]);
}
}
public void SimpleCascade()
{
NetworkParameter infiniteReturnLoss = NetworkParameter.FromPolarDecibelDegree(double.NegativeInfinity, 0);
NetworkParameter three_dBLoss = NetworkParameter.FromPolarDecibelDegree(3, 0);
NetworkParameter five_dBLoss = NetworkParameter.FromPolarDecibelDegree(5, 0);
ScatteringParametersMatrix s1 = new ScatteringParametersMatrix(2)
{
public void ComparisonTests()
{
NetworkParameter s = NetworkParameter.FromPolarDecibelDegree(20, 0);
NetworkParameter s2 = NetworkParameter.FromPolarDecibelDegree(10, 180);
//(s > s2).Should().BeTrue("magnitude is prioritized");
NetworkParameter s_0 = NetworkParameter.FromPolarDecibelDegree(20, 10);
//(s < s_0).Should().BeTrue("greater angle");
NetworkParameter s3 = NetworkParameter.FromPolarDecibelDegree(20, 100);
NetworkParameter s4 = NetworkParameter.FromPolarDegree(100, 100);
(s3 == s4).Should().BeTrue();
}
public void TestNearest()
{
var collection = new NetworkParametersCollection <ScatteringParametersMatrix>(2);
for (int i = 1; i <= 20; i++)
{
collection[i * 1.0e9, 2, 1] = NetworkParameter.FromPolarDecibelDegree(i, 0);
}
collection.Nearest(0)[2, 1].Should().Be(NetworkParameter.FromPolarDecibelDegree(1, 0),
"0 is out of bounds but closest to 1e9");
collection.Nearest(1.0e9)[2, 1].Should().Be(NetworkParameter.FromPolarDecibelDegree(1, 0),
"1e9 is equal to 1e9");
collection.Nearest(1.51e9)[2, 1].Should().Be(NetworkParameter.FromPolarDecibelDegree(2, 0),
"1.51e9 is closer to 2e9");
collection.Nearest(19.9e9)[2, 1].Should().Be(NetworkParameter.FromPolarDecibelDegree(20, 0),
"19.9e9 is nearest to 20e9");
collection.Nearest(21e9)[2, 1].Should().Be(NetworkParameter.FromPolarDecibelDegree(20, 0),
"21e9 is outside of bounds but nearest to 20e9");
}
private List <NetworkParameter> ParseParameters(List <string> data)
{
List <NetworkParameter> parameters = new List <NetworkParameter>();
for (int j = 0; j < data.Count; j += 2)
{
double val1 = 0, val2 = 0;
try
{
val1 = double.Parse(data[j]);
val2 = double.Parse(data[j + 1]);
}
catch (FormatException)
{
ThrowHelper("Data", "Invalid data format");
}
NetworkParameter param = new NetworkParameter();
switch (Options.Format)
{
case FormatType.DecibelAngle:
param = NetworkParameter.FromPolarDecibelDegree(val1, val2);
break;
case FormatType.MagnitudeAngle:
param = NetworkParameter.FromPolarDegree(val1, val2);
break;
case FormatType.RealImaginary:
param = new NetworkParameter(val1, val2);
break;
}
parameters.Add(param);
}
return(parameters);
}
