public void FoldingTestMethod3()
{
f.InputSignal = inputSignal;
expectedOutputSignal = UnitTestUtitlities.LoadSignal("TestingSignals/Output_Fold.ds");
f.Run();
actualOutputSignal = f.OutputFoldedSignal;
}
public void ShiftingRightTestMethod2()
{
s.InputSignal = inputSignal;
s.ShiftingValue = -500;
expectedOutputSignal = UnitTestUtitlities.LoadSignal("TestingSignals/Output_Shift_Minus500.ds");
s.Run();
actualOutputSignal = s.OutputShiftedSignal;
}
public void AutoFastNonNormalizedCorrelationTestMethod2()
{
FastCorrelation fc = new FastCorrelation();
var expectedOutput = UnitTestUtitlities.LoadSignal("TestingSignals/FastAutoCorrelationNonNormalized_TestCase.ds");
fc.InputSignal1 = UnitTestUtitlities.LoadSignal("TestingSignals/FastAutoCorrelation.ds");
fc.Run();
Assert.IsTrue(UnitTestUtitlities.SignalsSamplesAreEqual(expectedOutput.Samples, fc.OutputNonNormalizedCorrelation));
}
public void FoldingAndShiftLeftTestMethod5()
{
s.ShiftingValue = -500;
expectedOutputSignal = UnitTestUtitlities.LoadSignal("TestingSignals/Output_Fold_Minus500.ds");
f.InputSignal = inputSignal;
f.Run();
s.InputSignal = f.OutputFoldedSignal;
s.Run();
actualOutputSignal = s.OutputShiftedSignal;
}
public void AutoDirectNormalizedPeriodicCorrelationTestMethod2()
{
DirectCorrelation dc = new DirectCorrelation();
dc.InputSignal1 = UnitTestUtitlities.LoadSignal("TestingSignals/AutoCorrelationPeriodic_TestCase.ds");
Signal expectedOutput = UnitTestUtitlities.LoadSignal("TestingSignals/AutoCorrelationNormalizedPeriodic_TestCase.ds");
dc.Run();
Assert.IsTrue(UnitTestUtitlities.SignalsSamplesAreEqual(expectedOutput.Samples, dc.OutputNormalizedCorrelation));
}
public void IFFT_TestMethod2()
{
InverseFastFourierTransform IFFT = new InverseFastFourierTransform();
IFFT.InputFreqDomainSignal = UnitTestUtitlities.LoadSignal(@"TestingSignals/Signal2_FFT_Results.ds");
List <float> outPutSamples = UnitTestUtitlities.LoadSignal("TestingSignals/Signal2_FFT.ds").Samples;
IFFT.Run();
Assert.IsTrue(UnitTestUtitlities.SignalsSamplesAreEqual(outPutSamples,
IFFT.OutputTimeDomainSignal.Samples));
}
public void NormalizerTestMethod2()
{
var sig1 = UnitTestUtitlities.LoadSignal("TestingSignals/Signal2.ds");
var expectedOutput = UnitTestUtitlities.LoadSignal("TestingSignals/Normalizer_TestCase2.ds").Samples;
Normalizer a = new Normalizer();
a.InputMinRange = 0;
a.InputMaxRange = 1;
a.InputSignal = sig1;
a.Run();
Assert.IsTrue(UnitTestUtitlities.SignalsSamplesAreEqual(expectedOutput, a.OutputNormalizedSignal.Samples));
}
public void FFT_TestMethod2()
{
DiscreteFourierTransform DFT = new DiscreteFourierTransform();
// test case 1 ..
var sig1 = UnitTestUtitlities.LoadSignal("TestingSignals/Signal2_FFT.ds");
var expectedOutput = UnitTestUtitlities.LoadSignal("TestingSignals/Signal2_FFT_Results.ds");
DFT.InputTimeDomainSignal = sig1;
DFT.InputSamplingFrequency = 360;
DFT.Run();
Assert.IsTrue(UnitTestUtitlities.SignalsSamplesAreEqual(expectedOutput.FrequenciesAmplitudes, DFT.OutputFreqDomainSignal.FrequenciesAmplitudes) &&
UnitTestUtitlities.SignalsPhaseShiftsAreEqual(expectedOutput.FrequenciesPhaseShifts, DFT.OutputFreqDomainSignal.FrequenciesPhaseShifts));
}
public void MovingAverageTestMethod2()
{
// test case 2 ..
var sig1 = UnitTestUtitlities.LoadSignal("TestingSignals/Signal2.ds");
var expectedOutput = UnitTestUtitlities.LoadSignal("TestingSignals/MovingAverage_TestCase2.ds").Samples;
MovingAverage a = new MovingAverage();
a.InputSignal = sig1;
a.InputWindowSize = 5;
a.Run();
Assert.IsTrue(UnitTestUtitlities.SignalsSamplesAreEqual(expectedOutput, a.OutputAverageSignal.Samples));
}
public void MultiplySignalByConstantTestMethod2()
{
var sig1 = UnitTestUtitlities.LoadSignal("TestingSignals/Signal2.ds");
var expectedOutput = UnitTestUtitlities.LoadSignal("TestingSignals/MultiplySignalByConstant_TestCase2.ds").Samples;
MultiplySignalByConstant m = new MultiplySignalByConstant();
m.InputSignal = sig1;
m.InputConstant = 10;
m.Run();
Assert.IsTrue(UnitTestUtitlities.SignalsSamplesAreEqual(expectedOutput, m.OutputMultipliedSignal.Samples));
}
public void SubtractorTestMethod2()
{
var sig1 = UnitTestUtitlities.LoadSignal("TestingSignals/Signal1.ds");
var sig2 = UnitTestUtitlities.LoadSignal("TestingSignals/Signal3.ds");
var expectedOutput = UnitTestUtitlities.LoadSignal("TestingSignals/Subtractor_TestCase2.ds").Samples;
Subtractor m = new Subtractor();
m.InputSignal1 = sig2;
m.InputSignal2 = sig1;
m.Run();
Assert.IsTrue(UnitTestUtitlities.SignalsSamplesAreEqual(expectedOutput, m.OutputSignal.Samples));
}
public void RemoveDCComponentTestMethod1()
{
// test case 1 ..
var sig1 = UnitTestUtitlities.LoadSignal("TestingSignals/DC_Component.ds");
var expectedOutput = UnitTestUtitlities.LoadSignal("TestingSignals/DC_Component_Result.ds").Samples;
RemoveDCComponent m = new RemoveDCComponent();
m.InputSignal = sig1;
m.Run();
Assert.IsTrue(UnitTestUtitlities.SignalsSamplesAreEqual(expectedOutput, m.OutputSignal.Samples));
}
public void AdderTestMethod2()
{
var sig1 = UnitTestUtitlities.LoadSignal("TestingSignals/Signal1.ds");
var sig2 = UnitTestUtitlities.LoadSignal("TestingSignals/Signal3.ds");
var expectedOutput = UnitTestUtitlities.LoadSignal("TestingSignals/Adder_TestCase2.ds");
Adder a = new Adder();
a.InputSignals = new List <Signal>();
a.InputSignals.Add(sig1);
a.InputSignals.Add(sig2);
a.Run();
Assert.IsTrue(UnitTestUtitlities.SignalsSamplesAreEqual(expectedOutput.Samples, a.OutputSignal.Samples));
}
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 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 DFTTestMethod1()
{
FastFourierTransform FFT = new FastFourierTransform();
// test case 1 ..
var sig1 = UnitTestUtitlities.LoadSignal("TestingSignals/DFT_Signal1.ds");
FFT.InputTimeDomainSignal = sig1;
FFT.InputSamplingFrequency = 4;
List <float> amplitude = new List <float> {
64, 20.9050074380220f, 11.3137084989848f, 8.65913760233915f, 8, 8.65913760233915f, 11.3137084989848f, 20.9050074380220f
};
List <float> phase = new List <float> {
0, 1.96349540849362f, 2.35619449019235f, 2.74889357189107f, 3.14159265358979f, -2.74889357189107f, -2.35619449019235f, -1.96349540849362f
};
FFT.Run();
Assert.IsTrue(UnitTestUtitlities.SignalsSamplesAreEqual(amplitude, FFT.OutputFreqDomainSignal.FrequenciesAmplitudes) && UnitTestUtitlities.SignalsSamplesAreEqual(phase, FFT.OutputFreqDomainSignal.FrequenciesPhaseShifts));
}
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 ShiftingAndFoldingInitializer()
{
inputSignal = UnitTestUtitlities.LoadSignal("TestingSignals/Input_ShiftFold.ds");
}