private void AnalyzeCustomLpFilter()
{
var order = 23;
var freq = 0.22;
if (filterParamsDataGrid.RowCount > 0)
{
order = Convert.ToInt32(filterParamsDataGrid.Rows[0].Cells[1].Value);
freq = Convert.ToDouble(filterParamsDataGrid.Rows[1].Cells[1].Value);
}
orderNumeratorTextBox.Text = (order - 1).ToString();
orderDenominatorTextBox.Text = (order - 1).ToString();
_filter = new FirFilter(DesignFilter.FirWinLp(order, freq));
// for double precision and FDA:
//var tf = new TransferFunction(DesignFilter.FirWinLp(order, freq));
//_filter = new FirFilter(tf);
filterParamsDataGrid.RowCount = 2;
filterParamsDataGrid.Rows[0].Cells[0].Value = "order";
filterParamsDataGrid.Rows[0].Cells[1].Value = order;
filterParamsDataGrid.Rows[1].Cells[0].Value = "freq";
filterParamsDataGrid.Rows[1].Cells[1].Value = freq;
}
private void AnalyzeCustomFirFilter()
{
var b = new List <double>();
var size = filterParamsDataGrid.RowCount;
if (size == 0)
{
b.AddRange(new [] { 1, 0.4, -0.6 });
}
else
{
for (var i = 0; i < filterParamsDataGrid.RowCount; i++)
{
var param = filterParamsDataGrid.Rows[i].Cells[0].Value;
if (param.ToString().StartsWith("b"))
{
b.Add(Convert.ToDouble(filterParamsDataGrid.Rows[i].Cells[1].Value));
}
}
}
_filter = new FirFilter(b);
filterParamsDataGrid.RowCount = b.Count + 1;
for (var i = 0; i < b.Count; i++)
{
filterParamsDataGrid.Rows[i].Cells[0].Value = "b" + i;
filterParamsDataGrid.Rows[i].Cells[1].Value = b[i];
}
filterParamsDataGrid.Rows[b.Count].Cells[0].Value = "a0";
filterParamsDataGrid.Rows[b.Count].Cells[1].Value = 1.0;
}
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;
}
private void AnalyzeEllipticFilter()
{
var order = 4;
var freq = 0.15;
if (filterParamsDataGrid.RowCount > 0)
{
order = Convert.ToInt32(filterParamsDataGrid.Rows[0].Cells[1].Value);
freq = Convert.ToDouble(filterParamsDataGrid.Rows[1].Cells[1].Value);
}
orderNumeratorTextBox.Text = (order - 1).ToString();
orderDenominatorTextBox.Text = (order - 1).ToString();
// example how to convert linear scale specifications to decibel scale:
var deltaPass = 0.96;
var deltaStop = 0.04;
var ripplePassDb = Utils.Scale.ToDecibel(1 / deltaPass);
var attenuateDb = Utils.Scale.ToDecibel(1 / deltaStop);
_filter = new Filters.Elliptic.LowPassFilter(freq, order, ripplePassDb, attenuateDb);
filterParamsDataGrid.RowCount = 2;
filterParamsDataGrid.Rows[0].Cells[0].Value = "order";
filterParamsDataGrid.Rows[0].Cells[1].Value = order;
filterParamsDataGrid.Rows[1].Cells[0].Value = "freq";
filterParamsDataGrid.Rows[1].Cells[1].Value = freq;
}
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 = DesignFilter.FirBp(order, freq1, freq2);
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;
}
private void AnalyzeCustomIirFilter()
{
var b = new List <double>();
var a = new List <double>();
if (filterParamsDataGrid.RowCount == 0)
{
b.AddRange(new[] { 1, -0.4, 0.6 });
a.AddRange(new[] { 1, 0.4, 0.2 });
}
else
{
for (var i = 0; i < filterParamsDataGrid.RowCount; i++)
{
var param = filterParamsDataGrid.Rows[i].Cells[0].Value;
if (param.ToString().StartsWith("b"))
{
b.Add(Convert.ToSingle(filterParamsDataGrid.Rows[i].Cells[1].Value));
}
else
{
a.Add(Convert.ToSingle(filterParamsDataGrid.Rows[i].Cells[1].Value));
}
}
}
// lose some precision:
_filter = new IirFilter(b, a);
// double precision:
// _filter = new IirFilter(new TransferFunction(b.ToArray(), a.ToArray()));
filterParamsDataGrid.RowCount = a.Count + b.Count;
var pos = 0;
for (var i = 0; i < b.Count; i++, pos++)
{
filterParamsDataGrid.Rows[pos].Cells[0].Value = "b" + i;
filterParamsDataGrid.Rows[pos].Cells[1].Value = b[i];
}
for (var i = 0; i < a.Count; i++, pos++)
{
filterParamsDataGrid.Rows[pos].Cells[0].Value = "a" + i;
filterParamsDataGrid.Rows[pos].Cells[1].Value = a[i];
}
}
private void AnalyzePreemphasisFilter()
{
var pre = 0.95;
if (filterParamsDataGrid.RowCount > 0)
{
pre = Convert.ToDouble(filterParamsDataGrid.Rows[0].Cells[1].Value);
}
_filter = new PreEmphasisFilter(pre);
filterParamsDataGrid.RowCount = 1;
filterParamsDataGrid.Rows[0].Cells[0].Value = "a";
filterParamsDataGrid.Rows[0].Cells[1].Value = pre.ToString("F2");
orderNumeratorTextBox.Text = "1";
orderDenominatorTextBox.Text = "0";
}
private void AnalyzeSavitzkyGolayFilter()
{
var size = 9;
if (filterParamsDataGrid.RowCount > 0)
{
size = Convert.ToInt32(filterParamsDataGrid.Rows[0].Cells[1].Value);
}
orderNumeratorTextBox.Text = (size - 1).ToString();
orderDenominatorTextBox.Text = "0";
_filter = new SavitzkyGolayFilter(size);
filterParamsDataGrid.RowCount = 1;
filterParamsDataGrid.Rows[0].Cells[0].Value = "size";
filterParamsDataGrid.Rows[0].Cells[1].Value = size;
}
private void AnalyzeRecursiveMovingAverageFilter()
{
var size = 3;
if (filterParamsDataGrid.RowCount > 0)
{
size = Convert.ToInt32(filterParamsDataGrid.Rows[0].Cells[1].Value);
}
orderNumeratorTextBox.Text = (size - 1).ToString();
orderDenominatorTextBox.Text = "0";
_filter = new MovingAverageRecursiveFilter(size);
filterParamsDataGrid.RowCount = 1;
filterParamsDataGrid.Rows[0].Cells[0].Value = "size";
filterParamsDataGrid.Rows[0].Cells[1].Value = size;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="gain"></param>
/// <param name="mix"></param>
/// <param name="q"></param>
/// <param name="dist"></param>
/// <param name="rh"></param>
/// <param name="rl"></param>
public TubeDistortionEffect(float gain = 20.0f,
float mix = 0.9f,
float q = -0.2f,
float dist = 5,
float rh = 0.995f,
float rl = 0.5f)
{
Gain = gain;
Mix = mix;
Q = q;
Dist = dist;
Rh = rh;
Rl = rl;
var filter1 = new IirFilter(new[] { 1.0, -2, 1 }, new[] { 1.0, -2 * Rh, Rh * Rh });
var filter2 = new IirFilter(new[] { 1.0 - Rl }, new[] { 1.0, -Rl });
_outputFilter = filter1 * filter2;
}
private void AnalyzeThiranFilter()
{
var order = 10;
var delta = 10.3;
if (filterParamsDataGrid.RowCount > 0)
{
order = Convert.ToInt32(filterParamsDataGrid.Rows[0].Cells[1].Value);
delta = Convert.ToDouble(filterParamsDataGrid.Rows[1].Cells[1].Value);
}
orderNumeratorTextBox.Text = (order - 1).ToString();
orderDenominatorTextBox.Text = (order - 1).ToString();
_filter = new ThiranFilter(order, order + delta);
filterParamsDataGrid.RowCount = 2;
filterParamsDataGrid.Rows[0].Cells[0].Value = "order";
filterParamsDataGrid.Rows[0].Cells[1].Value = order;
filterParamsDataGrid.Rows[1].Cells[0].Value = "delta";
filterParamsDataGrid.Rows[1].Cells[1].Value = delta;
}
private void AnalyzeBesselFilter()
{
var order = 4;
var freq = 0.15;
if (filterParamsDataGrid.RowCount > 0)
{
order = Convert.ToInt32(filterParamsDataGrid.Rows[0].Cells[1].Value);
freq = Convert.ToDouble(filterParamsDataGrid.Rows[1].Cells[1].Value);
}
orderNumeratorTextBox.Text = (order - 1).ToString();
orderDenominatorTextBox.Text = (order - 1).ToString();
_filter = new Filters.Bessel.LowPassFilter(freq, order);
filterParamsDataGrid.RowCount = 2;
filterParamsDataGrid.Rows[0].Cells[0].Value = "order";
filterParamsDataGrid.Rows[0].Cells[1].Value = order;
filterParamsDataGrid.Rows[1].Cells[0].Value = "freq";
filterParamsDataGrid.Rows[1].Cells[1].Value = freq;
}
private void AnalyzeChebyshevIIFilter()
{
var order = 4;
var freq = 0.25;
if (filterParamsDataGrid.RowCount > 0)
{
order = Convert.ToInt32(filterParamsDataGrid.Rows[0].Cells[1].Value);
freq = Convert.ToDouble(filterParamsDataGrid.Rows[1].Cells[1].Value);
}
orderNumeratorTextBox.Text = (order - 1).ToString();
orderDenominatorTextBox.Text = (order - 1).ToString();
_filter = new Filters.ChebyshevII.BandStopFilter(freq, 0.4, order);
filterParamsDataGrid.RowCount = 2;
filterParamsDataGrid.Rows[0].Cells[0].Value = "order";
filterParamsDataGrid.Rows[0].Cells[1].Value = order;
filterParamsDataGrid.Rows[1].Cells[0].Value = "freq";
filterParamsDataGrid.Rows[1].Cells[1].Value = freq;
}
private void AnalyzeCustomLpFilter()
{
var order = 15;
var freq = 0.1;
if (filterParamsDataGrid.RowCount > 0)
{
order = Convert.ToInt32(filterParamsDataGrid.Rows[0].Cells[1].Value);
freq = Convert.ToDouble(filterParamsDataGrid.Rows[1].Cells[1].Value);
}
orderNumeratorTextBox.Text = (order - 1).ToString();
orderDenominatorTextBox.Text = (order - 1).ToString();
_filter = DesignFilter.FirLp(order, freq);
filterParamsDataGrid.RowCount = 2;
filterParamsDataGrid.Rows[0].Cells[0].Value = "order";
filterParamsDataGrid.Rows[0].Cells[1].Value = order;
filterParamsDataGrid.Rows[1].Cells[0].Value = "freq";
filterParamsDataGrid.Rows[1].Cells[1].Value = freq;
}
private void AnalyzeEquirippleLpFilter()
{
var order = 47;
var fp = 0.15;
var fa = 0.18;
var ripplePass = 1.0; // dB
var rippleStop = 42.0; // dB
if (filterParamsDataGrid.RowCount > 0)
{
order = Convert.ToInt32(filterParamsDataGrid.Rows[0].Cells[1].Value);
fp = Convert.ToDouble(filterParamsDataGrid.Rows[1].Cells[1].Value);
fa = Convert.ToDouble(filterParamsDataGrid.Rows[2].Cells[1].Value);
ripplePass = Convert.ToDouble(filterParamsDataGrid.Rows[3].Cells[1].Value);
rippleStop = Convert.ToDouble(filterParamsDataGrid.Rows[4].Cells[1].Value);
}
orderNumeratorTextBox.Text = (order - 1).ToString();
orderDenominatorTextBox.Text = (order - 1).ToString();
var wp = Remez.DbToPassbandWeight(ripplePass);
var wa = Remez.DbToStopbandWeight(rippleStop);
_filter = new FirFilter(DesignFilter.FirEquirippleLp(order, fp, fa, wp, wa));
filterParamsDataGrid.RowCount = 5;
filterParamsDataGrid.Rows[0].Cells[0].Value = "order";
filterParamsDataGrid.Rows[0].Cells[1].Value = order;
filterParamsDataGrid.Rows[1].Cells[0].Value = "fp";
filterParamsDataGrid.Rows[1].Cells[1].Value = fp;
filterParamsDataGrid.Rows[2].Cells[0].Value = "fa";
filterParamsDataGrid.Rows[2].Cells[1].Value = fa;
filterParamsDataGrid.Rows[3].Cells[0].Value = "rp";
filterParamsDataGrid.Rows[3].Cells[1].Value = ripplePass;
filterParamsDataGrid.Rows[4].Cells[0].Value = "rs";
filterParamsDataGrid.Rows[4].Cells[1].Value = rippleStop;
}
private void buttonAnalyzeFilter_Click(object sender, EventArgs e)
{
Cursor.Current = Cursors.WaitCursor;
switch (filterTypesComboBox.Text)
{
case "Custom IIR":
AnalyzeCustomIirFilter();
break;
case "Custom FIR":
AnalyzeCustomFirFilter();
break;
case "BiQuad LP":
case "BiQuad HP":
case "BiQuad BP":
case "BiQuad notch":
case "BiQuad allpass":
case "BiQuad peaking":
case "BiQuad lowshelf":
case "BiQuad highshelf":
AnalyzeBiQuadFilter(filterTypesComboBox.Text);
break;
case "One-pole LP":
_filter = new Filters.OnePole.LowPassFilter(0.25);
break;
case "One-pole HP":
_filter = new Filters.OnePole.HighPassFilter(0.25);
break;
case "Comb feed-forward":
_filter = new CombFeedforwardFilter(500);
break;
case "Comb feed-back":
_filter = new CombFeedbackFilter(1800);
break;
case "Moving average":
AnalyzeMovingAverageFilter();
break;
case "Moving average recursive":
AnalyzeRecursiveMovingAverageFilter();
break;
case "Savitzky-Golay":
AnalyzeSavitzkyGolayFilter();
break;
case "Pre-emphasis":
AnalyzePreemphasisFilter();
break;
case "De-emphasis":
_filter = new DeEmphasisFilter();
break;
case "DC removal":
_filter = new DcRemovalFilter();
break;
case "RASTA":
_filter = new RastaFilter();
break;
case "Butterworth":
AnalyzeButterworthFilter();
break;
case "Elliptic":
AnalyzeEllipticFilter();
break;
case "Chebyshev-I":
AnalyzeChebyshevIFilter();
break;
case "Chebyshev-II":
AnalyzeChebyshevIIFilter();
break;
case "Bessel":
AnalyzeBesselFilter();
break;
case "Thiran":
AnalyzeThiranFilter();
break;
case "Equiripple LP":
AnalyzeEquirippleLpFilter();
break;
case "Equiripple BS":
AnalyzeEquirippleBsFilter();
break;
case "Custom LP/HP":
AnalyzeCustomLpFilter();
break;
case "Custom BP/BR":
AnalyzeCustomBandpassFilter();
break;
}
// we can load TF from csv file:
//using (var csv = new FileStream("fir.csv", FileMode.Open))
//{
// _filter = new FirFilter(TransferFunction.FromCsv(csv));
//}
var tf = _filter.Tf;
// we can save TF to csv file:
//using (var csv = new FileStream("fir.csv", FileMode.Create))
//{
// tf.ToCsv(csv);
//}
magnitudeResponsePanel.Line = tf.FrequencyResponse().Magnitude.ToFloats();
UpdatePhaseResponse();
// adjust this if you need finer precision:
tf.CalculateZpIterations = int.Parse(zpIterationsTextBox.Text);
if (tf.Numerator.Length + tf.Denominator.Length < 70)
{
poleZeroPanel.Zeros = tf.Zeros;
poleZeroPanel.Poles = tf.Poles;
}
numeratorListBox.DataSource = tf.Numerator;
denominatorListBox.DataSource = tf.Denominator;
Cursor.Current = Cursors.Default;
}
private void buttonAnalyzeFilter_Click(object sender, EventArgs e)
{
Cursor.Current = Cursors.WaitCursor;
switch (filterTypesComboBox.Text)
{
case "Custom IIR":
AnalyzeCustomIirFilter();
break;
case "Custom FIR":
AnalyzeCustomFirFilter();
break;
case "BiQuad LP":
case "BiQuad HP":
case "BiQuad BP":
case "BiQuad notch":
case "BiQuad allpass":
case "BiQuad peaking":
case "BiQuad lowshelf":
case "BiQuad highshelf":
AnalyzeBiQuadFilter(filterTypesComboBox.Text);
break;
case "One-pole LP":
_filter = new Filters.OnePole.LowPassFilter(0.25);
break;
case "One-pole HP":
_filter = new Filters.OnePole.HighPassFilter(0.25);
break;
case "Comb feed-forward":
_filter = new CombFeedforwardFilter(500);
break;
case "Comb feed-back":
_filter = new CombFeedbackFilter(1800);
break;
case "Moving average":
AnalyzeMovingAverageFilter();
break;
case "Moving average recursive":
AnalyzeRecursiveMovingAverageFilter();
break;
case "Pre-emphasis":
AnalyzePreemphasisFilter();
break;
case "De-emphasis":
_filter = new DeEmphasisFilter();
break;
case "DC removal":
_filter = new DcRemovalFilter();
break;
case "RASTA":
_filter = new RastaFilter();
break;
case "Butterworth":
AnalyzeButterworthFilter();
break;
case "Custom LP/HP":
AnalyzeCustomLpFilter();
break;
}
magnitudeResponsePanel.Line = _filter.FrequencyResponse().Magnitude.ToFloats();
UpdatePhaseResponse();
if (_filter.Tf.Numerator.Length + _filter.Tf.Denominator.Length < 50)
{
poleZeroPanel.Zeros = _filter.Tf.Zeros;
poleZeroPanel.Poles = _filter.Tf.Poles;
}
numeratorListBox.DataSource = _filter.Tf.Numerator;
denominatorListBox.DataSource = _filter.Tf.Denominator;
//using (var csv = new FileStream("fir.csv", FileMode.Open))
//{
// _filter = FirFilter.FromCsv(csv);
//}
Cursor.Current = Cursors.Default;
}
private void AnalyzeBiQuadFilter(string filterType)
{
var freq = 0.1;
var q = 1.0;
var gain = 9.0;
for (var i = 0; i < filterParamsDataGrid.RowCount; i++)
{
if (filterParamsDataGrid.Rows[i].Cells[0].Value.ToString() == "freq")
{
freq = Convert.ToDouble(filterParamsDataGrid.Rows[i].Cells[1].Value);
}
if (filterParamsDataGrid.Rows[i].Cells[0].Value.ToString() == "q")
{
q = Convert.ToDouble(filterParamsDataGrid.Rows[i].Cells[1].Value);
}
if (filterParamsDataGrid.Rows[i].Cells[0].Value.ToString() == "gain")
{
gain = Convert.ToDouble(filterParamsDataGrid.Rows[i].Cells[1].Value);
}
}
string[] parameters = { "freq", "q" };
double[] values = { freq, q };
switch (filterType)
{
case "BiQuad LP":
_filter = new LowPassFilter(freq, q);
break;
case "BiQuad HP":
_filter = new HighPassFilter(freq, q);
break;
case "BiQuad BP":
_filter = new Filters.BiQuad.BandPassFilter(freq, q);
break;
case "BiQuad notch":
_filter = new NotchFilter(freq, q);
break;
case "BiQuad allpass":
_filter = new AllPassFilter(freq, q);
break;
case "BiQuad peaking":
_filter = new PeakFilter(freq, q, gain);
parameters = new[] { "freq", "q", "gain" };
values = new[] { freq, q, gain };
break;
case "BiQuad lowshelf":
_filter = new LowShelfFilter(freq, q, gain);
parameters = new[] { "freq", "q", "gain" };
values = new[] { freq, q, gain };
break;
case "BiQuad highshelf":
_filter = new HighShelfFilter(freq, q, gain);
parameters = new[] { "freq", "q", "gain" };
values = new[] { freq, q, gain };
break;
}
filterParamsDataGrid.RowCount = parameters.Length;
for (var i = 0; i < parameters.Length; i++)
{
filterParamsDataGrid.Rows[i].Cells[0].Value = parameters[i];
filterParamsDataGrid.Rows[i].Cells[1].Value = values[i];
}
orderNumeratorTextBox.Text = "2";
orderDenominatorTextBox.Text = "2";
}
private void AnalyzeEquirippleBsFilter()
{
var order = 51;
var fp1 = 0.19;
var fa1 = 0.21;
var fa2 = 0.39;
var fp2 = 0.41;
var ripplePass1 = 1.0;
var rippleStop = 24.0;
var ripplePass2 = 3.0;
if (filterParamsDataGrid.RowCount > 0)
{
order = Convert.ToInt32(filterParamsDataGrid.Rows[0].Cells[1].Value);
fp1 = Convert.ToDouble(filterParamsDataGrid.Rows[1].Cells[1].Value);
fa1 = Convert.ToDouble(filterParamsDataGrid.Rows[2].Cells[1].Value);
fa2 = Convert.ToDouble(filterParamsDataGrid.Rows[3].Cells[1].Value);
fp2 = Convert.ToDouble(filterParamsDataGrid.Rows[4].Cells[1].Value);
ripplePass1 = Convert.ToDouble(filterParamsDataGrid.Rows[5].Cells[1].Value);
rippleStop = Convert.ToDouble(filterParamsDataGrid.Rows[6].Cells[1].Value);
ripplePass2 = Convert.ToDouble(filterParamsDataGrid.Rows[7].Cells[1].Value);
}
orderNumeratorTextBox.Text = (order - 1).ToString();
orderDenominatorTextBox.Text = (order - 1).ToString();
var freqs = new[] { 0, fp1, fa1, fa2, fp2, 0.5 };
var weights = new[]
{
Remez.DbToPassbandWeight(ripplePass1),
Remez.DbToStopbandWeight(rippleStop),
Remez.DbToPassbandWeight(ripplePass2),
};
var remez = new Remez(order, freqs, new double[] { 1, 0, 1 }, weights);
_filter = new FirFilter(remez.Design());
var extrema = string.Join("\t", Enumerable.Range(0, remez.K).Select(e => remez.ExtremalFrequencies[e].ToString("F5")));
var message = $"Iterations: {remez.Iterations}\n\nEstimated order: {Remez.EstimateOrder(freqs, weights)}\n\nExtrema:\n{extrema}";
MessageBox.Show(message);
filterParamsDataGrid.RowCount = 8;
filterParamsDataGrid.Rows[0].Cells[0].Value = "order";
filterParamsDataGrid.Rows[0].Cells[1].Value = order;
filterParamsDataGrid.Rows[1].Cells[0].Value = "fp1";
filterParamsDataGrid.Rows[1].Cells[1].Value = fp1;
filterParamsDataGrid.Rows[2].Cells[0].Value = "fa1";
filterParamsDataGrid.Rows[2].Cells[1].Value = fa1;
filterParamsDataGrid.Rows[3].Cells[0].Value = "fa2";
filterParamsDataGrid.Rows[3].Cells[1].Value = fa2;
filterParamsDataGrid.Rows[4].Cells[0].Value = "fp2";
filterParamsDataGrid.Rows[4].Cells[1].Value = fp2;
filterParamsDataGrid.Rows[5].Cells[0].Value = "rp1";
filterParamsDataGrid.Rows[5].Cells[1].Value = ripplePass1;
filterParamsDataGrid.Rows[6].Cells[0].Value = "rs";
filterParamsDataGrid.Rows[6].Cells[1].Value = rippleStop;
filterParamsDataGrid.Rows[7].Cells[0].Value = "rp2";
filterParamsDataGrid.Rows[7].Cells[1].Value = ripplePass2;
}
