public void DirectConvolutionTestMethod4()
{
DirectConvolution dc = new DirectConvolution();
// test case 4 ..
var expectedOutput = new Signal(new List <float>()
{
1, 1, -1, 0, 0, 3, 3, 2, 1
}, new List <int>()
{
-2, -1, 0, 1, 2, 3, 4, 5, 6
}, false);
dc.InputSignal1 = new Signal(new List <float>()
{
1, 2, 1, 1
}, new List <int>()
{
-2, -1, 0, 1
}, false);
dc.InputSignal2 = new Signal(new List <float>()
{
1, -1, 0, 0, 1, 1
}, new List <int>()
{
0, 1, 2, 3, 4, 5
}, false);
dc.Run();
Assert.IsTrue(UnitTestUtitlities.SignalsSamplesAreEqual(expectedOutput.Samples, dc.OutputConvolvedSignal.Samples));
Assert.IsTrue(UnitTestUtitlities.SignalsSamplesIndicesAreEqual(expectedOutput, dc.OutputConvolvedSignal));
}
public void HighFilteredSignalTestMethod2()
{
FIR FIR = new FIR();
var sig1 = UnitTestUtitlities.LoadSignal("TestingSignals/ecg400.ds");
var expectedFilteredSignal = UnitTestUtitlities.LoadSignal("TestingSignals/ecg_high_pass_filtered.ds");
FIR.InputFilterType = DSPAlgorithms.DataStructures.FILTER_TYPES.HIGH;
FIR.InputFS = 8000;
FIR.InputStopBandAttenuation = 70;
FIR.InputCutOffFrequency = 1500;
FIR.InputTransitionBand = 500;
FIR.InputTimeDomainSignal = sig1;
FIR.Run();
Assert.IsTrue(UnitTestUtitlities.SignalsSamplesIndicesAreEqual(expectedFilteredSignal, FIR.OutputYn));
}
public void LowCoefficientsTestMethod1()
{
FIR FIR = new FIR();
var sig1 = UnitTestUtitlities.LoadSignal("TestingSignals/ecg400.ds");
var expectedCoefficients = UnitTestUtitlities.LoadSignal("TestingSignals/LPFCoefficients.ds");
FIR.InputFilterType = DSPAlgorithms.DataStructures.FILTER_TYPES.LOW;
FIR.InputFS = 8000;
FIR.InputStopBandAttenuation = 50;
FIR.InputCutOffFrequency = 1500;
FIR.InputTransitionBand = 500;
FIR.InputTimeDomainSignal = sig1;
FIR.Run();
Assert.IsTrue(UnitTestUtitlities.SignalsSamplesIndicesAreEqual(expectedCoefficients, FIR.OutputHn));
}
public void BandStopFilteredSignalTestMethod4()
{
FIR FIR = new FIR();
var sig1 = UnitTestUtitlities.LoadSignal("TestingSignals/ecg400.ds");
var expectedFilteredSignal = UnitTestUtitlities.LoadSignal("TestingSignals/ecg_band_stop_filtered.ds");
FIR.InputFilterType = DSPAlgorithms.DataStructures.FILTER_TYPES.BAND_STOP;
FIR.InputFS = 1000;
FIR.InputStopBandAttenuation = 60;
FIR.InputF1 = 150;
FIR.InputF2 = 250;
FIR.InputTransitionBand = 50;
FIR.InputTimeDomainSignal = sig1;
FIR.Run();
Assert.IsTrue(UnitTestUtitlities.SignalsSamplesIndicesAreEqual(expectedFilteredSignal, FIR.OutputYn));
}
public void BandPassCoefficientsTestMethod3()
{
FIR FIR = new FIR();
var sig1 = UnitTestUtitlities.LoadSignal("TestingSignals/ecg400.ds");
var expectedCoefficients = UnitTestUtitlities.LoadSignal("TestingSignals/BPFCoefficients.ds");
FIR.InputFilterType = DSPAlgorithms.DataStructures.FILTER_TYPES.BAND_PASS;
FIR.InputFS = 1000;
FIR.InputStopBandAttenuation = 60;
FIR.InputF1 = 150;
FIR.InputF2 = 250;
FIR.InputTransitionBand = 50;
FIR.InputTimeDomainSignal = sig1;
FIR.Run();
Assert.IsTrue(UnitTestUtitlities.SignalsSamplesIndicesAreEqual(expectedCoefficients, FIR.OutputHn));
}
public void ShiftingAndFoldingValidation()
{
Assert.IsTrue(UnitTestUtitlities.SignalsSamplesIndicesAreEqual(expectedOutputSignal, actualOutputSignal));
}