Код для ExperimentData.cs
namespace AnyaTask3
{
public class ExperimentData
{
public string Comment { get; set; }
public List<(int Index, double Amplitude)> OriginalData { get; set; } = new();
public List<(int Index, double Amplitude)> PositiveExtrema { get; set; } = new();
public List<(int Index, double Amplitude)> NegativeExtrema { get; set; } = new();
}
}
Код для Form1.cs
namespace AnyaTask3
{
public partial class Form1 : Form
{
private ExperimentData experiment = new();
public Form1()
{
InitializeComponent();
dgvPositive.SelectionChanged += ExtremumSelectionChanged;
dgvNegative.SelectionChanged += ExtremumSelectionChanged;
dgvOriginal.Columns.Add("Index", "Номер измерения");
dgvOriginal.Columns.Add("Value", "Амплитуда");
dgvPositive.Columns.Add("Index", "Номер измерения");
dgvPositive.Columns.Add("Value", "Амплитуда");
dgvNegative.Columns.Add("Index", "Номер измерения");
dgvNegative.Columns.Add("Value", "Амплитуда");
}
private void UpdateUI()
{
dgvOriginal.Rows.Clear();
foreach (var (i, val) in experiment.OriginalData)
dgvOriginal.Rows.Add(i, val);
dgvPositive.Rows.Clear();
foreach (var (i, val) in experiment.PositiveExtrema)
dgvPositive.Rows.Add(i, val);
dgvNegative.Rows.Clear();
foreach (var (i, val) in experiment.NegativeExtrema)
dgvNegative.Rows.Add(i, val);
}
private void ExtremumSelectionChanged(object sender, EventArgs e)
{
var grid = sender as DataGridView;
if (grid.SelectedRows.Count > 0)
{
int index = (int)grid.SelectedRows[0].Cells[0].Value;
foreach (DataGridViewRow row in dgvOriginal.Rows)
{
if ((int)row.Cells[0].Value == index)
{
row.Selected = true;
dgvOriginal.FirstDisplayedScrollingRowIndex = row.Index;
break;
}
}
}
}
private void btnGenerate_Click(object sender, EventArgs e)
{
double time = double.Parse(txtTime.Text);
double freq = double.Parse(txtFreq.Text);
double a = double.Parse(txtA.Text);
double b = double.Parse(txtB.Text);
double c = double.Parse(txtC.Text);
double U0 = double.Parse(txtU0.Text);
experiment.OriginalData = SignalProcessor.GenerateSignal(time, freq, a, b, c, U0);
SignalProcessor.FindExtrema(experiment.OriginalData, out var pos, out var neg);
experiment.PositiveExtrema = pos;
experiment.NegativeExtrema = neg;
UpdateUI();
}
private void btnSave_Click(object sender, EventArgs e)
{
experiment.Comment = txtComment.Text;
SaveFileDialog dlg = new SaveFileDialog();
if (dlg.ShowDialog() == DialogResult.OK)
{
using StreamWriter writer = new(dlg.FileName);
writer.WriteLine(experiment.Comment);
writer.WriteLine("[DATA]");
foreach (var (i, v) in experiment.OriginalData)
writer.WriteLine($"{i} {v}");
writer.WriteLine("[POSITIVE]");
foreach (var (i, v) in experiment.PositiveExtrema)
writer.WriteLine($"{i} {v}");
writer.WriteLine("[NEGATIVE]");
foreach (var (i, v) in experiment.NegativeExtrema)
writer.WriteLine($"{i} {v}");
}
}
private void btnLoad_Click(object sender, EventArgs e)
{
OpenFileDialog dlg = new OpenFileDialog();
if (dlg.ShowDialog() == DialogResult.OK)
{
var lines = File.ReadAllLines(dlg.FileName);
experiment = new ExperimentData();
int mode = 0; // 0 - comment, 1 - data, 2 - pos, 3 - neg
foreach (var line in lines)
{
if (line == "[DATA]") { mode = 1; continue; }
if (line == "[POSITIVE]") { mode = 2; continue; }
if (line == "[NEGATIVE]") { mode = 3; continue; }
if (mode == 0)
{
experiment.Comment = line;
txtComment.Text = line;
}
else
{
var parts = line.Split(' ');
var pair = (int.Parse(parts[0]), double.Parse(parts[1]));
if (mode == 1) experiment.OriginalData.Add(pair);
if (mode == 2) experiment.PositiveExtrema.Add(pair);
if (mode == 3) experiment.NegativeExtrema.Add(pair);
}
}
UpdateUI();
}
}
}
}
Код для Form1.Designer.cs
namespace AnyaTask3
{
partial class Form1
{
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.IContainer components = null;
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
txtComment = new TextBox();
btnGenerate = new Button();
btnSave = new Button();
btnLoad = new Button();
dgvOriginal = new DataGridView();
dgvPositive = new DataGridView();
dgvNegative = new DataGridView();
txtTime = new TextBox();
txtFreq = new TextBox();
txtA = new TextBox();
txtB = new TextBox();
txtC = new TextBox();
txtU0 = new TextBox();
label1 = new Label();
label2 = new Label();
label3 = new Label();
label4 = new Label();
label5 = new Label();
label6 = new Label();
label7 = new Label();
((System.ComponentModel.ISupportInitialize)dgvOriginal).BeginInit();
((System.ComponentModel.ISupportInitialize)dgvPositive).BeginInit();
((System.ComponentModel.ISupportInitialize)dgvNegative).BeginInit();
SuspendLayout();
//
// txtComment
//
txtComment.Location = new Point(123, 29);
txtComment.Margin = new Padding(3, 2, 3, 2);
txtComment.Name = "txtComment";
txtComment.Size = new Size(110, 23);
txtComment.TabIndex = 0;
//
// btnGenerate
//
btnGenerate.Location = new Point(33, 414);
btnGenerate.Margin = new Padding(3, 2, 3, 2);
btnGenerate.Name = "btnGenerate";
btnGenerate.Size = new Size(114, 22);
btnGenerate.TabIndex = 1;
btnGenerate.Text = "Сгенерировать";
btnGenerate.UseVisualStyleBackColor = true;
btnGenerate.Click += btnGenerate_Click;
//
// btnSave
//
btnSave.Location = new Point(256, 27);
btnSave.Margin = new Padding(3, 2, 3, 2);
btnSave.Name = "btnSave";
btnSave.Size = new Size(82, 22);
btnSave.TabIndex = 2;
btnSave.Text = "Сохранить";
btnSave.UseVisualStyleBackColor = true;
btnSave.Click += btnSave_Click;
//
// btnLoad
//
btnLoad.Location = new Point(344, 28);
btnLoad.Margin = new Padding(3, 2, 3, 2);
btnLoad.Name = "btnLoad";
btnLoad.Size = new Size(82, 22);
btnLoad.TabIndex = 3;
btnLoad.Text = "Загрузить";
btnLoad.UseVisualStyleBackColor = true;
btnLoad.Click += btnLoad_Click;
//
// dgvOriginal
//
dgvOriginal.AllowUserToAddRows = false;
dgvOriginal.AllowUserToDeleteRows = false;
dgvOriginal.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
dgvOriginal.Location = new Point(33, 80);
dgvOriginal.Margin = new Padding(3, 2, 3, 2);
dgvOriginal.Name = "dgvOriginal";
dgvOriginal.ReadOnly = true;
dgvOriginal.RowHeadersWidth = 51;
dgvOriginal.Size = new Size(193, 141);
dgvOriginal.TabIndex = 4;
//
// dgvPositive
//
dgvPositive.AllowUserToAddRows = false;
dgvPositive.AllowUserToDeleteRows = false;
dgvPositive.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
dgvPositive.Location = new Point(245, 80);
dgvPositive.Margin = new Padding(3, 2, 3, 2);
dgvPositive.Name = "dgvPositive";
dgvPositive.ReadOnly = true;
dgvPositive.RowHeadersWidth = 51;
dgvPositive.Size = new Size(193, 141);
dgvPositive.TabIndex = 5;
//
// dgvNegative
//
dgvNegative.AllowUserToAddRows = false;
dgvNegative.AllowUserToDeleteRows = false;
dgvNegative.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
dgvNegative.Location = new Point(455, 80);
dgvNegative.Margin = new Padding(3, 2, 3, 2);
dgvNegative.Name = "dgvNegative";
dgvNegative.ReadOnly = true;
dgvNegative.RowHeadersWidth = 51;
dgvNegative.Size = new Size(193, 141);
dgvNegative.TabIndex = 6;
//
// txtTime
//
txtTime.Location = new Point(162, 233);
txtTime.Margin = new Padding(3, 2, 3, 2);
txtTime.Name = "txtTime";
txtTime.Size = new Size(110, 23);
txtTime.TabIndex = 7;
//
// txtFreq
//
txtFreq.Location = new Point(89, 269);
txtFreq.Margin = new Padding(3, 2, 3, 2);
txtFreq.Name = "txtFreq";
txtFreq.Size = new Size(110, 23);
txtFreq.TabIndex = 8;
//
// txtA
//
txtA.Location = new Point(132, 300);
txtA.Margin = new Padding(3, 2, 3, 2);
txtA.Name = "txtA";
txtA.Size = new Size(110, 23);
txtA.TabIndex = 9;
//
// txtB
//
txtB.Location = new Point(132, 325);
txtB.Margin = new Padding(3, 2, 3, 2);
txtB.Name = "txtB";
txtB.Size = new Size(110, 23);
txtB.TabIndex = 10;
//
// txtC
//
txtC.Location = new Point(132, 350);
txtC.Margin = new Padding(3, 2, 3, 2);
txtC.Name = "txtC";
txtC.Size = new Size(110, 23);
txtC.TabIndex = 11;
//
// txtU0
//
txtU0.Location = new Point(296, 379);
txtU0.Margin = new Padding(3, 2, 3, 2);
txtU0.Name = "txtU0";
txtU0.Size = new Size(110, 23);
txtU0.TabIndex = 12;
//
// label1
//
label1.AutoSize = true;
label1.Location = new Point(33, 236);
label1.Name = "label1";
label1.Size = new Size(123, 15);
label1.TabIndex = 13;
label1.Text = "Время эксперимента";
//
// label2
//
label2.AutoSize = true;
label2.Location = new Point(33, 32);
label2.Name = "label2";
label2.Size = new Size(84, 15);
label2.TabIndex = 14;
label2.Text = "Комментарий";
//
// label3
//
label3.AutoSize = true;
label3.Location = new Point(33, 269);
label3.Name = "label3";
label3.Size = new Size(50, 15);
label3.TabIndex = 15;
label3.Text = "Частота";
//
// label4
//
label4.AutoSize = true;
label4.Location = new Point(33, 304);
label4.Name = "label4";
label4.Size = new Size(93, 15);
label4.TabIndex = 16;
label4.Text = "Коэффициент a";
//
// label5
//
label5.AutoSize = true;
label5.Location = new Point(33, 328);
label5.Name = "label5";
label5.Size = new Size(94, 15);
label5.TabIndex = 17;
label5.Text = "Коэффициент b";
//
// label6
//
label6.AutoSize = true;
label6.Location = new Point(33, 353);
label6.Name = "label6";
label6.Size = new Size(93, 15);
label6.TabIndex = 18;
label6.Text = "Коэффициент c";
//
// label7
//
label7.AutoSize = true;
label7.Location = new Point(33, 382);
label7.Name = "label7";
label7.Size = new Size(257, 15);
label7.TabIndex = 19;
label7.Text = "Значение амплитуды в начале эксперимента";
//
// Form1
//
AutoScaleDimensions = new SizeF(7F, 15F);
AutoScaleMode = AutoScaleMode.Font;
ClientSize = new Size(700, 447);
Controls.Add(label7);
Controls.Add(label6);
Controls.Add(label5);
Controls.Add(label4);
Controls.Add(label3);
Controls.Add(label2);
Controls.Add(label1);
Controls.Add(txtU0);
Controls.Add(txtC);
Controls.Add(txtB);
Controls.Add(txtA);
Controls.Add(txtFreq);
Controls.Add(txtTime);
Controls.Add(dgvNegative);
Controls.Add(dgvPositive);
Controls.Add(dgvOriginal);
Controls.Add(btnLoad);
Controls.Add(btnSave);
Controls.Add(btnGenerate);
Controls.Add(txtComment);
Margin = new Padding(3, 2, 3, 2);
Name = "Form1";
Text = "Form1";
((System.ComponentModel.ISupportInitialize)dgvOriginal).EndInit();
((System.ComponentModel.ISupportInitialize)dgvPositive).EndInit();
((System.ComponentModel.ISupportInitialize)dgvNegative).EndInit();
ResumeLayout(false);
PerformLayout();
}
#endregion
private TextBox txtComment;
private Button btnGenerate;
private Button btnSave;
private Button btnLoad;
private DataGridView dgvOriginal;
private DataGridView dgvPositive;
private DataGridView dgvNegative;
private TextBox txtTime;
private TextBox txtFreq;
private TextBox txtA;
private TextBox txtB;
private TextBox txtC;
private TextBox txtU0;
private Label label1;
private Label label2;
private Label label3;
private Label label4;
private Label label5;
private Label label6;
private Label label7;
}
}
Код для SignalProcessor.cs
namespace AnyaTask3
{
public class SignalProcessor
{
public static List<(int, double)> GenerateSignal(double time, double frequency, double a, double b, double c, double U0)
{
List<(int, double)> result = new();
int count = (int)(time * frequency);
double dt = 1.0 / frequency;
for (int i = 0; i < count; i++)
{
double t = i * dt;
double U = U0 - b * t * Math.Cos(a * t + c);
result.Add((i, U));
}
return result;
}
public static void FindExtrema(List<(int Index, double Value)> data,
out List<(int, double)> positive,
out List<(int, double)> negative)
{
positive = new();
negative = new();
for (int i = 1; i < data.Count - 1; i++)
{
double prev = data[i - 1].Value;
double curr = data[i].Value;
double next = data[i + 1].Value;
if (curr > prev && curr > next)
positive.Add(data[i]);
else if (curr < prev && curr < next)
negative.Add(data[i]);
}
}
}
}
