private void AnalyzeCustomBandpassFilter() { var order = 231; var freq1 = 0.06; var freq2 = 0.2; if (filterParamsDataGrid.RowCount > 0) { order = Convert.ToInt32(filterParamsDataGrid.Rows[0].Cells[1].Value); freq1 = Convert.ToDouble(filterParamsDataGrid.Rows[1].Cells[1].Value); freq2 = Convert.ToDouble(filterParamsDataGrid.Rows[2].Cells[1].Value); } orderNumeratorTextBox.Text = (order - 1).ToString(); orderDenominatorTextBox.Text = (order - 1).ToString(); //_filter = new FirFilter(DesignFilter.FirWinBp(order, freq1, freq2)); // for double precision and FDA: var tf = new TransferFunction(DesignFilter.FirWinBp(order, freq1, freq2)); _filter = new FirFilter(tf); filterParamsDataGrid.RowCount = 3; filterParamsDataGrid.Rows[0].Cells[0].Value = "order"; filterParamsDataGrid.Rows[0].Cells[1].Value = order; filterParamsDataGrid.Rows[1].Cells[0].Value = "freq1"; filterParamsDataGrid.Rows[1].Cells[1].Value = freq1; filterParamsDataGrid.Rows[2].Cells[0].Value = "freq2"; filterParamsDataGrid.Rows[2].Cells[1].Value = freq2; }