/// <summary>
/// Odwrotna transformata Fouriera
/// </summary>
/// <param name="frequencyBuffer"></param>
/// <param name="ft"></param>
/// <returns></returns>
public AnalogSignal iDFT(Complex[] frequencyBuffer, FourierTransform ft)
{
int N = frequencyBuffer.Length;
Complex[] resultCourse = ft.iDFT(frequencyBuffer, N);
for (int i = 0; i < N; i++)
{
this.course[i] = resultCourse[i].Real + resultCourse[i].Imaginary;
}
return(this);
}
public double[] iDFT2(Complex[] frequencyBuffer, FourierTransform ft)
{
int N = frequencyBuffer.Length;
double[] resultArray = new double[lengthOfBuffer];
Complex[] resultCourse = ft.iDFT(frequencyBuffer, N);
for (int i = 0; i < N; i++)
{
resultArray[i] = resultCourse[i].Real + resultCourse[i].Imaginary;
}
return(resultArray);
}
/// <summary>
/// Konstruktor
/// </summary>
public SpectrumGraph(int x, int y, int Height, int Width, string description)
: base(x, y, Height, Width, "Frequency", "Amplitude", description, "SPECTRUM")
{
FT = new FourierTransform();
}
/// <summary>
/// Funkcja inicjalizująca obiekty sygnałów do wybranego labolatorium
/// </summary>
private void initialize(int lab)
{
Controls.Remove(courseGraph1);
Controls.Remove(courseGraph2);
Controls.Remove(courseGraph3);
Controls.Remove(courseGraph4);
Controls.Remove(spectrumGraph1);
Controls.Remove(spectrumGraph2);
Controls.Remove(spectrumGraph3);
Controls.Remove(spectrumGraph4);
courseGraph1 = null;
courseGraph2 = null;
courseGraph3 = null;
courseGraph4 = null;
spectrumGraph1 = null;
spectrumGraph2 = null;
spectrumGraph3 = null;
spectrumGraph4 = null;
signal1 = null;
signal2 = null;
signal3 = null;
digital = null;
ft = new FourierTransform();
this.Controls.Clear();
switch (lab)
{
case 1:
initialize_Lab1_Lab2();
break;
case 2:
initialize_Lab3();
break;
case 3:
initialize_Lab4_ASK();
break;
case 4:
initialize_Lab4_FSK_PSK();
break;
case 5:
initialize_Lab5_ASK();
break;
case 6:
initialize_Lab5_PSK();
break;
case 7:
initialize_Lab5_FSK();
break;
case 8:
initialize_SquareTriangleSaw();
break;
case 9:
initialize_MSE();
break;
case 10:
initialize_MSEPlot();
break;
case 11:
initialize_Correlation_1();
break;
case 12:
initialize_Correlation_2();
break;
case 13:
initialize_IDFT();
break;
case 14:
initialize_Sinc();
break;
case 15:
initialize_FilteringOfNoise();
break;
case 16:
initialize_generateFilter_1();
break;
case 17:
initialize_generateFilter_2();
break;
case 18:
initialize_generateFilter_3();
break;
case 19:
initialize_CDMA();
break;
default:
initialize_Lab1_Lab2();
break;
}
Controls.Add(courseGraph1);
Controls.Add(courseGraph2);
Controls.Add(courseGraph3);
Controls.Add(courseGraph4);
Controls.Add(spectrumGraph1);
Controls.Add(spectrumGraph2);
Controls.Add(spectrumGraph3);
Controls.Add(spectrumGraph4);
InitializeComponent();
}