Example #1
0
        private void LoadPlot(object param)
        {
            SignalRepresentation signalRepresentation;

            switch (param.ToString())
            {
            case "1":
                signalRepresentation     = FirstChart.SignalRepresentation;
                FirstChart.SelectedIndex = -1;
                break;

            case "2":
                signalRepresentation      = SecondChart.SignalRepresentation;
                SecondChart.SelectedIndex = -1;
                break;

            default:
                throw new ArgumentException();
            }

            Microsoft.Win32.OpenFileDialog dlg = new Microsoft.Win32.OpenFileDialog
            {
                Filter = "*All Files | *.xD"
            };
            if (dlg.ShowDialog() == false)
            {
                return;
            }
            using (BinaryReader reader = new BinaryReader(File.Open(dlg.FileName, FileMode.Open)))
            {
                SignalImplementation signalImplementation = new SignalImplementation
                {
                    Points = new List <Tuple <double, Complex> >()
                };
                while (reader.BaseStream.Position != reader.BaseStream.Length)
                {
                    double  xCoordinate = reader.ReadDouble();
                    Complex value       = new Complex
                    {
                        Real      = reader.ReadDouble(),
                        Imaginary = reader.ReadDouble()
                    };
                    signalImplementation.Points.Add(new Tuple <double, Complex>(xCoordinate, value));
                }

                signalImplementation.StartingMoment = signalImplementation.Points[0].Item1;
                signalImplementation.EndingMoment   = signalImplementation.Points[signalImplementation.Points.Count - 1].Item1;
                signalImplementation.CalculateTraits();
                signalRepresentation.Signal = signalImplementation;
            }
        }
Example #2
0
        private void CombineSignals(Func <ISignal, ISignal, SignalImplementation> func, SignalTextProperties textTraits)
        {
            SignalImplementation outputSignal = func(firstChart.SignalRepresentation.Signal, secondChart.SignalRepresentation.Signal);

            realPlotModel.Axes.Clear();
            imaginaryPlotModel.Axes.Clear();

            realCombinedSeries      = new ScatterSeries();
            imaginaryCombinedSeries = new ScatterSeries();

            realCombinedSeries.MarkerType      = MarkerType.Circle;
            imaginaryCombinedSeries.MarkerType = MarkerType.Circle;
            realCombinedSeries.MarkerFill      = OxyColors.Purple;
            imaginaryCombinedSeries.MarkerFill = OxyColors.Purple;
            realCombinedSeries.MarkerSize      = 1;
            imaginaryCombinedSeries.MarkerSize = 1;

            foreach (Tuple <double, Complex> tuple in outputSignal.Points)
            {
                realCombinedSeries.Points.Add(new ScatterPoint(tuple.Item1, tuple.Item2.Real));
                imaginaryCombinedSeries.Points.Add(new ScatterPoint(tuple.Item1, tuple.Item2.Imaginary));
            }

            ClearPlot();

            outputSignal.StartingMoment = outputSignal.Points[0].Item1;
            outputSignal.EndingMoment   = outputSignal.Points[outputSignal.Points.Count - 1].Item1;
            outputSignal.CalculateTraits();
            combinedSignal.Signal = outputSignal;

            textTraits.AverageValueText          = combinedSignal.Signal.AverageValue.ToString("N3");
            textTraits.AbsouluteAverageValueText = combinedSignal.Signal.AbsouluteAverageValue.ToString("N3");
            textTraits.AveragePowerText          = combinedSignal.Signal.AveragePower.ToString("N3");
            textTraits.VarianceText       = combinedSignal.Signal.Variance.ToString("N3");
            textTraits.EffectiveValueText = combinedSignal.Signal.EffectiveValue.ToString("N3");

            OnPropertyChanged("TextProperties3");

            realPlotModel.Series.Add(realCombinedSeries);
            imaginaryPlotModel.Series.Add(imaginaryCombinedSeries);

            realPlotModel.InvalidatePlot(true);
            imaginaryPlotModel.InvalidatePlot(true);

            double min            = outputSignal.Points.Min(d => d.Item2.Real);
            double max            = outputSignal.Points.Max(d => d.Item2.Real);
            double universumWidth = max - min;
            double intervalWidth  = universumWidth / NumberOfIntervals;

            int[] histogramUniversum = new int[NumberOfIntervals];

            for (int k = 0; k < outputSignal.Points.Count; k++)
            {
                int interval = (int)Math.Floor((outputSignal.Points[k].Item2.Real - min) / (intervalWidth + 0.0001));
                histogramUniversum[interval]++;
            }

            List <int> realHisogramUniversum = histogramUniversum.ToList();

            realCombinedHistogramSeries = new ColumnSeries();
            foreach (int elem in realHisogramUniversum)
            {
                realCombinedHistogramSeries.Items.Add(new ColumnItem(elem));
            }

            realHistogramPlotModel.Axes.Clear();
            realHistogramPlotModel.Series.Clear();
            realCombinedHistogramSeries.FillColor = OxyColors.Purple;
            realHistogramPlotModel.Series.Add(realCombinedHistogramSeries);
            realHistogramPlotModel.InvalidatePlot(true);

            firstChart.SignalRepresentation.Signal  = null;
            secondChart.SignalRepresentation.Signal = null;
        }
Example #3
0
        private void Reconstruct(object param)
        {
            string            frequencyToReconstructText = "";
            ReconstructWindow dialog = new ReconstructWindow();

            if (dialog.ShowDialog() == true)
            {
                frequencyToReconstructText = dialog.FrequencyToReconstruct;
            }

            if (!double.TryParse(frequencyToReconstructText, out double frequencyToReconstruct))
            {
                return;
            }

            ISignal signal;

            switch (param.ToString())
            {
            case "1":
                if (combinedSignal.Signal.Points.Count != 0)
                {
                    signal = combinedSignal.Signal;
                }
                else
                {
                    signal = FirstChart.SignalRepresentation.Signal;
                }
                break;

            default:
                throw new ArgumentException();
            }

            SignalImplementation reconstructedSignal = Quantizator.ExtrapolationZeroOrderHold(signal, frequencyToReconstruct);

            reconstructedSignal.StartingMoment = reconstructedSignal.Points[0].Item1;
            reconstructedSignal.EndingMoment   = reconstructedSignal.Points[reconstructedSignal.Points.Count - 1].Item1;
            reconstructedSignal.CalculateTraits();
            combinedSignal.Signal = reconstructedSignal;

            combinedTextProperties.AverageValueText          = combinedSignal.Signal.AverageValue.ToString("N3");
            combinedTextProperties.AbsouluteAverageValueText = combinedSignal.Signal.AbsouluteAverageValue.ToString("N3");
            combinedTextProperties.AveragePowerText          = combinedSignal.Signal.AveragePower.ToString("N3");
            combinedTextProperties.VarianceText       = combinedSignal.Signal.Variance.ToString("N3");
            combinedTextProperties.EffectiveValueText = combinedSignal.Signal.EffectiveValue.ToString("N3");
            OnPropertyChanged("CombinedTextProperties");

            realCombinedSeries      = new ScatterSeries();
            imaginaryCombinedSeries = new ScatterSeries();

            foreach (Tuple <double, Complex> tuple in reconstructedSignal.Points)
            {
                realCombinedSeries.Points.Add(new ScatterPoint(tuple.Item1, tuple.Item2.Real));
                imaginaryCombinedSeries.Points.Add(new ScatterPoint(tuple.Item1, tuple.Item2.Imaginary));
            }

            realCombinedSeries.MarkerType      = MarkerType.Circle;
            imaginaryCombinedSeries.MarkerType = MarkerType.Circle;
            realCombinedSeries.MarkerSize      = 1;
            imaginaryCombinedSeries.MarkerSize = 1;
            realCombinedSeries.MarkerFill      = OxyColors.Black;
            imaginaryCombinedSeries.MarkerFill = OxyColors.Black;

            realPlotModel.Series.Add(realCombinedSeries);
            imaginaryPlotModel.Series.Add(imaginaryCombinedSeries);

            realPlotModel.InvalidatePlot(true);
            imaginaryPlotModel.InvalidatePlot(true);
        }
Example #4
0
        private void Transform(object param)
        {
            SignalTransform transform     = null;
            bool            absoluteValue = false;
            TransformWindow dialog        = new TransformWindow();

            if (dialog.ShowDialog() == true)
            {
                transform     = dialog.SelectedTransform;
                absoluteValue = dialog.AbsoluteValue;
            }

            if (transform == null)
            {
                return;
            }

            ISignal signal;

            switch (param.ToString())
            {
            case "1":
                signal = FirstChart.SignalRepresentation.Signal;
                break;

            case "2":
                signal = SecondChart.SignalRepresentation.Signal;
                break;

            case "3":
                signal = combinedSignal.Signal;
                break;

            default:
                throw new ArgumentException();
            }
            DateTime             start             = DateTime.Now;
            SignalImplementation transformedSignal = transform.TransformSignal(signal);

            if (absoluteValue)
            {
                transformedSignal = SignalOperations.GetAbsoluteSignal(transformedSignal);
            }
            TimeSpan elapsedTime = DateTime.Now - start;

            MessageBox.Show("Czas wykonania algorytmu: " + elapsedTime.Minutes + "m " + elapsedTime.Seconds + "s " + elapsedTime.Milliseconds + "ms");

            transformedSignal.StartingMoment = transformedSignal.Points[0].Item1;
            transformedSignal.EndingMoment   = transformedSignal.Points[transformedSignal.Points.Count - 1].Item1;
            transformedSignal.CalculateTraits();
            combinedSignal.Signal = transformedSignal;

            combinedTextProperties.AverageValueText          = combinedSignal.Signal.AverageValue.ToString("N3");
            combinedTextProperties.AbsouluteAverageValueText = combinedSignal.Signal.AbsouluteAverageValue.ToString("N3");
            combinedTextProperties.AveragePowerText          = combinedSignal.Signal.AveragePower.ToString("N3");
            combinedTextProperties.VarianceText       = combinedSignal.Signal.Variance.ToString("N3");
            combinedTextProperties.EffectiveValueText = combinedSignal.Signal.EffectiveValue.ToString("N3");
            OnPropertyChanged("CombinedTextProperties");

            realCombinedSeries      = new ScatterSeries();
            imaginaryCombinedSeries = new ScatterSeries();

            foreach (Tuple <double, Complex> tuple in transformedSignal.Points)
            {
                realCombinedSeries.Points.Add(new ScatterPoint(tuple.Item1, tuple.Item2.Real));
                imaginaryCombinedSeries.Points.Add(new ScatterPoint(tuple.Item1, tuple.Item2.Imaginary));
            }

            ClearPlot();

            realCombinedSeries.MarkerType      = MarkerType.Circle;
            imaginaryCombinedSeries.MarkerType = MarkerType.Circle;
            realCombinedSeries.MarkerSize      = 2;
            imaginaryCombinedSeries.MarkerSize = 2;
            realCombinedSeries.MarkerFill      = OxyColors.Green;
            imaginaryCombinedSeries.MarkerFill = OxyColors.Green;

            realPlotModel.Series.Add(realCombinedSeries);
            imaginaryPlotModel.Series.Add(imaginaryCombinedSeries);

            realPlotModel.InvalidatePlot(true);
            imaginaryPlotModel.InvalidatePlot(true);
        }
Example #5
0
        private void Filter(object param)
        {
            string       filterDegreeText    = "";
            string       cutoffFrequencyText = "";
            IWindow      windowFunction      = null;
            Filter       filter = null;
            FilterWindow dialog = new FilterWindow();

            if (dialog.ShowDialog() == true)
            {
                filterDegreeText    = dialog.FilterDegree;
                cutoffFrequencyText = dialog.CutoffFrequency;
                windowFunction      = dialog.SelectedWindowFunction;
                filter = dialog.SelectedFilter;
            }

            if (!int.TryParse(filterDegreeText, out int filterDegree))
            {
                return;
            }
            if (!double.TryParse(cutoffFrequencyText, out double cutoffFrequency))
            {
                return;
            }
            if (windowFunction == null)
            {
                return;
            }
            if (filter == null)
            {
                return;
            }

            ISignal signal;

            switch (param.ToString())
            {
            case "1":
                signal = FirstChart.SignalRepresentation.Signal;
                break;

            case "2":
                signal = SecondChart.SignalRepresentation.Signal;
                break;

            case "3":
                signal = combinedSignal.Signal;
                break;

            default:
                throw new ArgumentException();
            }

            filter.InitFilter(cutoffFrequency, filterDegree, windowFunction);
            SignalImplementation filteredSignal = filter.FilterSignal(signal);

            filteredSignal.StartingMoment = filteredSignal.Points[0].Item1;
            filteredSignal.EndingMoment   = filteredSignal.Points[filteredSignal.Points.Count - 1].Item1;
            filteredSignal.CalculateTraits();
            combinedSignal.Signal = filteredSignal;

            combinedTextProperties.AverageValueText          = combinedSignal.Signal.AverageValue.ToString("N3");
            combinedTextProperties.AbsouluteAverageValueText = combinedSignal.Signal.AbsouluteAverageValue.ToString("N3");
            combinedTextProperties.AveragePowerText          = combinedSignal.Signal.AveragePower.ToString("N3");
            combinedTextProperties.VarianceText       = combinedSignal.Signal.Variance.ToString("N3");
            combinedTextProperties.EffectiveValueText = combinedSignal.Signal.EffectiveValue.ToString("N3");
            OnPropertyChanged("CombinedTextProperties");

            realCombinedSeries      = new ScatterSeries();
            imaginaryCombinedSeries = new ScatterSeries();

            foreach (Tuple <double, Complex> tuple in filteredSignal.Points)
            {
                realCombinedSeries.Points.Add(new ScatterPoint(tuple.Item1, tuple.Item2.Real));
                imaginaryCombinedSeries.Points.Add(new ScatterPoint(tuple.Item1, tuple.Item2.Imaginary));
            }

            ClearPlot();

            realCombinedSeries.MarkerType      = MarkerType.Circle;
            imaginaryCombinedSeries.MarkerType = MarkerType.Circle;
            realCombinedSeries.MarkerSize      = 1;
            imaginaryCombinedSeries.MarkerSize = 1;
            realCombinedSeries.MarkerFill      = OxyColors.Green;
            imaginaryCombinedSeries.MarkerFill = OxyColors.Green;

            realPlotModel.Series.Add(realCombinedSeries);
            imaginaryPlotModel.Series.Add(imaginaryCombinedSeries);

            realPlotModel.InvalidatePlot(true);
            imaginaryPlotModel.InvalidatePlot(true);
        }
Example #6
0
        private void Quantize(object param)
        {
            string         samplingText = "";
            string         levelsText   = "";
            QuantizeWindow dialog       = new QuantizeWindow();

            if (dialog.ShowDialog() == true)
            {
                samplingText = dialog.SamplingFrequency;
                levelsText   = dialog.LevelsOfQuantization;
            }

            if (!double.TryParse(samplingText, out double samplingFrequency))
            {
                return;
            }
            if (!int.TryParse(levelsText, out int levelsOfQuantization))
            {
                return;
            }

            ISignal signal;

            switch (param.ToString())
            {
            case "1":
                signal = FirstChart.SignalRepresentation.Signal;
                break;

            default:
                throw new ArgumentException();
            }

            SignalImplementation quantizedSignal = Quantizator.Quantize(Quantizator.SampleSignal(signal, samplingFrequency), levelsOfQuantization);

            quantizedSignal.StartingMoment = quantizedSignal.Points[0].Item1;
            quantizedSignal.EndingMoment   = quantizedSignal.Points[quantizedSignal.Points.Count - 1].Item1;
            quantizedSignal.CalculateTraits();
            combinedSignal.Signal = quantizedSignal;

            combinedTextProperties.AverageValueText          = combinedSignal.Signal.AverageValue.ToString("N3");
            combinedTextProperties.AbsouluteAverageValueText = combinedSignal.Signal.AbsouluteAverageValue.ToString("N3");
            combinedTextProperties.AveragePowerText          = combinedSignal.Signal.AveragePower.ToString("N3");
            combinedTextProperties.VarianceText       = combinedSignal.Signal.Variance.ToString("N3");
            combinedTextProperties.EffectiveValueText = combinedSignal.Signal.EffectiveValue.ToString("N3");
            OnPropertyChanged("CombinedTextProperties");

            realCombinedSeries      = new ScatterSeries();
            imaginaryCombinedSeries = new ScatterSeries();

            foreach (Tuple <double, Complex> tuple in quantizedSignal.Points)
            {
                realCombinedSeries.Points.Add(new ScatterPoint(tuple.Item1, tuple.Item2.Real));
                imaginaryCombinedSeries.Points.Add(new ScatterPoint(tuple.Item1, tuple.Item2.Imaginary));
            }

            realCombinedSeries.MarkerType      = MarkerType.Circle;
            imaginaryCombinedSeries.MarkerType = MarkerType.Circle;
            realCombinedSeries.MarkerSize      = 2;
            imaginaryCombinedSeries.MarkerSize = 2;
            realCombinedSeries.MarkerFill      = OxyColors.Green;
            imaginaryCombinedSeries.MarkerFill = OxyColors.Green;

            realPlotModel.Series.Add(realCombinedSeries);
            imaginaryPlotModel.Series.Add(imaginaryCombinedSeries);

            realPlotModel.InvalidatePlot(true);
            imaginaryPlotModel.InvalidatePlot(true);
        }