private void bPFilterButton_Click(object sender, EventArgs e)
{
try
{
int threshold0 = (int)bPFilterNnumericUpDown0.Value;
int threshold1 = (int)bPFilterNumericUpDown1.Value;
if (bPFilterComboBox.Text == "Гц")
{
threshold0 = (int)(threshold0 / (signal.Hz / signal.Count));
threshold1 = (int)(threshold1 / (signal.Hz / signal.Count));
}
FilterType type = GetFourierTransformType();
double[] preparedData = FiltersUtils.PrepareDataToFilter(signal.Data, type);
var filteredData = FourierTransform.BPFilter(preparedData, threshold0, threshold1, type);
if (saveToFileCheckBox.Checked)
{
WriteDataToFile(filteredData);
}
var form = new ShowChartForm(filteredData, filePath + " полосовой фильтр", signal.Type, signal.Hz);
form.Show();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Ошибка!", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
/// <summary>
/// Обработчик нажатия кнопки "Амплитудный спектр (БПФ)"
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void showAmplitudeSpectrumButton_Click(object sender, EventArgs e)
{
Stopwatch watch = new Stopwatch();
try
{
FilterType type;
double[] preparedData;
string label;
var button = (Button)sender;
switch (button.Name)
{
case "showAmplitudeSpectrumBFTButton":
type = FilterType.FourierBase;
label = "Амплитудный спектр ПФ";
break;
case "showAmplitudeSpectrumFFTButton":
type = FilterType.FourierFast;
label = "Амплитудный спектр БПФ";
break;
case "showAmplitudeSpectrumFTSButton":
type = FilterType.FourierSpeed;
label = "Амплитудный спектр ПФУ";
break;
default:
throw new ArgumentException();
}
preparedData = FiltersUtils.PrepareDataToFilter(signal.Data, type);
watch.Start();
double[] amplSpec = FourierTransform.AmplitudeSpectrum(preparedData, type);
watch.Stop();
var form0 = new ShowSpectrumForm(amplSpec, label, SpectrumType.Amplitude, signal.Hz, watch.ElapsedMilliseconds);
form0.Show();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Ошибка!", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
