public void PerfectFilter(PointPairList h)
 {
     for (var i = 0; i < Data.Count; i++)
     {
         Data[i] = Analyser.PerfectFilter(Data[i], h);
     }
 }
 public void PerfectFilterNoise(PointPairList h, double alpha)
 {
     for (var i = 0; i < Data.Count; i++)
     {
         Data[i] = Analyser.PerfectFilterNoise(Data[i], h, alpha);
     }
 }
        public Complex[,] ReverseSpectreComplexes(Complex[,] Spectre)
        {
            var reverse_spec = new Complex[Spectre.GetLength(0), Spectre.GetLength(1)];

            for (var i = 0; i < Spectre.GetLength(0); ++i)
            {
                var row_spec = new List <Complex>();
                for (var j = 0; j < Spectre.GetLength(1); ++j)
                {
                    row_spec.Add(Spectre[i, j]);
                }

                var column_reverse_spec = Analyser.ReverseSpectre(row_spec);
                for (var k = 0; k < Spectre.GetLength(1); ++k)
                {
                    reverse_spec[i, k] = column_reverse_spec[k];
                }
            }

            for (var i = 0; i < Spectre.GetLength(1); ++i)
            {
                var column_spec = new List <Complex>();
                for (var j = 0; j < Spectre.GetLength(0); ++j)
                {
                    column_spec.Add(reverse_spec[j, i]);
                }
                var columnSpectre = Analyser.ReverseSpectre(column_spec);
                for (var k = 0; k < columnSpectre.Count; ++k)
                {
                    reverse_spec[k, i] = columnSpectre[k];
                }
            }

            return(reverse_spec);
        }
        public Complex[,] Spectre2D()
        {
            var row_spec = new Complex[Data.Count, Data[0].Count];

            for (var i = 0; i < Data.Count; ++i)
            {
                var lineSpectre = Analyser.GetSpectre(Analyser.ListToComplex(Data[i]));

                for (var j = 0; j < lineSpectre.Count; ++j)
                {
                    row_spec[i, j] = lineSpectre[j];
                }
            }

            for (var i = 0; i < Data[0].Count; ++i)
            {
                var column_spec = new List <Complex>();
                for (var j = 0; j < Data.Count; ++j)
                {
                    column_spec.Add(row_spec[j, i]);
                }
                var columnSpectre = Analyser.GetSpectre(column_spec);
                for (var k = 0; k < columnSpectre.Count; ++k)
                {
                    row_spec[k, i] = columnSpectre[k];
                }
            }

            return(row_spec);
        }
        public static void AntiShift(CurveItem ci)
        {
            var list    = GraphConverter.GetPointPairListFromCurve(ci);
            var average = Analyser.GetAverageOnRange(list);

            Shift(ci, -average);
        }
 public void PottersFilters(PointPairList ppl)
 {
     foreach (var line in Data)
     {
         var newLine = Analyser.GetConvolution(line, ppl);
         for (var i = 0; i < line.Count; i++)
         {
             line[i] = newLine[i + 64];
         }
     }
 }
Exemple #7
0
        public static bool CheckStationary(PointPairList list, double percent = 2.5, int n = 10)
        {
            var min  = list.Min(x => x.Y);
            var max  = list.Max(x => x.Y);
            var part = list.Count / n;

            var averages    = new List <double>(n);
            var sigmas      = new List <double>(n);
            var meanSquares = new List <double>(n);


            var ans = new StringBuilder();

            var isFirst = true;

            for (var i = 0; i < n; i++)
            {
                averages.Add(Analyser.GetAverageOnRange(list, i * part, Math.Min((i + 1) * part - 1, list.Count - 1)));;
                sigmas.Add(Analyser.GetSigmaOnRange(list, i * part, Math.Min((i + 1) * part - 1, list.Count - 1)));
                meanSquares.Add(Analyser.GetMeanSquare(list, i * part, Math.Min((i + 1) * part - 1, list.Count - 1)));

                ans.Append($"Range [{i + 1}/{n}]\n");
                ans.Append($"Average: {averages[i] }\n");
                ans.Append($"Dispersion: {sigmas[i] }\n");
                ans.Append($"Mean Square: {meanSquares[i] }\n");

                if (!isFirst)
                {
                    ans.Append($"Average diff: {Analyser.GetPercentDiff(averages[i], averages[i - 1], min, max)}%\n");
                    ans.Append($"Dispersion diff: {Analyser.GetPercentDiff(sigmas[i], sigmas[i - 1], min, max)}%\n");
                    ans.Append($"Mean squares diff: {Analyser.GetPercentDiff(meanSquares[i], meanSquares[i - 1], min, max)}%\n");
                }

                isFirst = false;
            }

            var adiff    = Analyser.GetPercentDiff(averages.Min(), averages.Max(), min, max);
            var ddiff    = Analyser.GetPercentDiff(sigmas.Min(), sigmas.Max(), min, max);
            var meandiff = Analyser.GetPercentDiff(meanSquares.Min(), meanSquares.Max(), min, max);

            ans.Append($"Globally:\nMax average diff: {adiff}%\nMax dispersion diff: {ddiff}%\nMax mean square diff: {meandiff}%\n");

            return(adiff < percent * 2 && ddiff < percent * 2);
        }
        public static void Trend(CurveItem ci, int SizeWindow)
        {
            var input_dots = GraphConverter.GetPointPairListFromCurve(ci);

            for (var i = 1; i < SizeWindow; i += 2)
            {
                var average = Analyser.GetAverageOnRange(input_dots, 0, i);
                ci.Points[i / 2].Y = average;
            }
            for (var i = 0; i < ci.Points.Count - SizeWindow; i++)
            {
                var average = Analyser.GetAverageOnRange(input_dots, i, i + SizeWindow);
                ci.Points[i + SizeWindow / 2].Y = average;
            }
            for (var i = SizeWindow; i >= 1; i -= 2)
            {
                var average = Analyser.GetAverageOnRange(input_dots, input_dots.Count - i - 1, input_dots.Count - 1);
                ci.Points[ci.Points.Count - 1 - i / 2].Y = average;
            }
        }
        // x - частоты; y - амплитуды
        public void DeleteLinesRejectFilter()
        {
            var line_d  = Analyser.Derivative(Data[0]);
            var sum     = 0.0;
            var counter = 0;

            for (var i = 10; i < Data.Count; i += 10)
            {
                var lineDnext = Analyser.Derivative(Data[i]);
                lineDnext = Analyser.GetRxy(line_d, lineDnext);
                lineDnext = Analyser.GetSpectre(lineDnext);
                var lineMax = lineDnext.Count / 2;

                for (var j = lineMax; j < lineDnext.Count; ++j)
                {
                    if (lineDnext[j].Y > lineDnext[lineMax].Y)
                    {
                        lineMax = j;
                    }
                }
                sum += lineDnext[lineMax].X;
                counter++;
            }

            sum /= counter;

            var filter  = Analyser.GetHarryPotter_BS(sum - 0.05, sum + 0.05, 32, 1);
            var newData = new List <PointPairList>();

            foreach (var ppl in Data)
            {
                var newppl = Analyser.GetConvolution(ppl, filter);
                newppl.RemoveRange(0, 32);
                newppl.RemoveRange(ppl.Count, newppl.Count - ppl.Count);
                newData.Add(newppl);
            }

            Data = newData;
        }