diff --git a/Signal Generator/AddSignalWindow.xaml b/Signal Generator/AddSignalWindow.xaml
new file mode 100644
index 0000000..122ce9b
--- /dev/null
+++ b/Signal Generator/AddSignalWindow.xaml	
@@ -0,0 +1,12 @@
+<Window x:Class="Signal_Generator.AddSignalWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:Signal_Generator"
+        mc:Ignorable="d"
+        Title="AddSignalWindow" Height="200" Width="400">
+    <Grid>
+        
+    </Grid>
+</Window>
diff --git a/Signal Generator/AddSignalWindow.xaml.cs b/Signal Generator/AddSignalWindow.xaml.cs
new file mode 100644
index 0000000..d89e66d
--- /dev/null
+++ b/Signal Generator/AddSignalWindow.xaml.cs	
@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Shapes;
+
+namespace Signal_Generator
+{
+    /// <summary>
+    /// Логика взаимодействия для AddSignalWindow.xaml
+    /// </summary>
+    public partial class AddSignalWindow : Window
+    {
+        public AddSignalWindow()
+        {
+            InitializeComponent();
+        }
+    }
+}
diff --git a/Signal Generator/App.config b/Signal Generator/App.config
index 731f6de..b157b72 100644
--- a/Signal Generator/App.config	
+++ b/Signal Generator/App.config	
@@ -1,5 +1,7 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <configuration>
+    <configSections>
+    </configSections>
     <startup> 
         <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.1" />
     </startup>
diff --git a/Signal Generator/App.xaml.cs b/Signal Generator/App.xaml.cs
index 43963f8..0da5a06 100644
--- a/Signal Generator/App.xaml.cs	
+++ b/Signal Generator/App.xaml.cs	
@@ -13,5 +13,6 @@ namespace Signal_Generator
     /// </summary>
     public partial class App : Application
     {
+
     }
 }
diff --git a/Signal Generator/FmSignal.cs b/Signal Generator/FmSignal.cs
new file mode 100644
index 0000000..5fc38ef
--- /dev/null
+++ b/Signal Generator/FmSignal.cs	
@@ -0,0 +1,42 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Signal_Generator
+{
+    class FmSignal : IAnalogSignal
+    {
+        private double ampl = 0;
+        private double freq = 0;
+        private IAnalogSignal modSignal;
+
+        public string ParamsToString
+        {
+            get
+            {
+                return this.ToString() + 
+                    " | А = " + ampl + 
+                    " | f = " + freq;
+            }
+        }
+
+        public override string ToString()
+        {
+            return "FM signal";
+        }
+
+        public FmSignal(double ampl, double freq, IAnalogSignal modSignal)
+        {
+            this.ampl = ampl;
+            this.freq = freq;
+            this.modSignal = modSignal;
+        }
+        
+        public double currentAmplitude(double t)
+        {
+            return ampl * Math.Sin(2 * Math.PI * freq * t + modSignal.currentAmplitude(t));
+        }
+    }
+}
diff --git a/Signal Generator/IAnalogSignalModel.cs b/Signal Generator/IAnalogSignalModel.cs
new file mode 100644
index 0000000..aec1757
--- /dev/null
+++ b/Signal Generator/IAnalogSignalModel.cs	
@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Signal_Generator
+{
+    interface IAnalogSignal
+    {
+        string ParamsToString { get; }
+        double currentAmplitude(double t);
+    }
+}
diff --git a/Signal Generator/MainWindow.xaml b/Signal Generator/MainWindow.xaml
index 7cc5cda..2b137af 100644
--- a/Signal Generator/MainWindow.xaml	
+++ b/Signal Generator/MainWindow.xaml	
@@ -5,8 +5,28 @@
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:local="clr-namespace:Signal_Generator"
         mc:Ignorable="d"
-        Title="MainWindow" Height="450" Width="800">
+        Title="MainWindow" Height="450" Width="489">
     <Grid>
-        
+        <DockPanel LastChildFill="True" Margin="10,10,10,10">
+            <ListBox x:Name="signals_ListBox" VerticalAlignment="Stretch" HorizontalAlignment="Stretch" 
+                     DockPanel.Dock="Top" ItemsSource="{Binding}" Margin="0,0,0,20">
+                <ListBox.ItemTemplate>
+                    <DataTemplate>
+                        <StackPanel Orientation="Horizontal">
+                            <TextBlock Text="{Binding Path=ParamsToString}"/>
+                        </StackPanel>
+                    </DataTemplate>
+                </ListBox.ItemTemplate>
+            </ListBox>
+        </DockPanel>
+        <DockPanel x:Name="buttons_DockPanel" IsEnabled="False" Margin="10,0,10,10" VerticalAlignment="Bottom">
+            <DockPanel DockPanel.Dock="Left">
+                <Button x:Name="startProcedure_Button" Width="120" Content="Запустить процедуру" />
+            </DockPanel>
+            <DockPanel HorizontalAlignment="Right">
+                <Button x:Name="addSignal_Button" Width="20" Content="+"/>
+                <Button x:Name="removeSignal_Button" Width="20" Content="-" />
+            </DockPanel>
+        </DockPanel>
     </Grid>
 </Window>
diff --git a/Signal Generator/MainWindow.xaml.cs b/Signal Generator/MainWindow.xaml.cs
index 406ebba..e8e5f74 100644
--- a/Signal Generator/MainWindow.xaml.cs	
+++ b/Signal Generator/MainWindow.xaml.cs	
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Collections.ObjectModel;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -23,6 +24,18 @@ namespace Signal_Generator
         public MainWindow()
         {
             InitializeComponent();
+            addSomeExtra();
+        }
+
+        private void addSomeExtra()
+        {
+            // test of signals_ListBox
+            SinusoidalSignal s1 = new SinusoidalSignal(1, 50);
+            SinusoidalSignal s2 = new SinusoidalSignal(3, 120);
+            ObservableCollection<IAnalogSignal> s = new ObservableCollection<IAnalogSignal>();
+            s.Add(s1);
+            signals_ListBox.Items.Clear();
+            signals_ListBox.ItemsSource = s;
         }
     }
 }
diff --git a/Signal Generator/MultiSignal.cs b/Signal Generator/MultiSignal.cs
new file mode 100644
index 0000000..36cf5f3
--- /dev/null
+++ b/Signal Generator/MultiSignal.cs	
@@ -0,0 +1,39 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Signal_Generator
+{
+    class MultiSignal : IAnalogSignal
+    {
+        private List<IAnalogSignal> signals { get; set; }
+        public string ParamsToString { get; set; }
+
+        public MultiSignal()
+        {
+            signals = new List<IAnalogSignal>();
+        }
+
+        public void add(IAnalogSignal signal)
+        {
+            signals.Add(signal);
+        }
+
+        public void remove(IAnalogSignal signal)
+        {
+            signals.Remove(signal);
+        }
+
+        public double currentAmplitude(double t)
+        {
+            double summaryAmplitude = 0;
+            foreach (IAnalogSignal item in signals)
+            {
+                summaryAmplitude += item.currentAmplitude(t);
+            }
+            return summaryAmplitude;
+        }
+    }
+}
diff --git a/Signal Generator/Settings.cs b/Signal Generator/Settings.cs
new file mode 100644
index 0000000..58529f6
--- /dev/null
+++ b/Signal Generator/Settings.cs	
@@ -0,0 +1,28 @@
+namespace Signal_Generator.Properties {
+    
+    
+    // Этот класс позволяет обрабатывать определенные события в классе параметров:
+    //  Событие SettingChanging возникает перед изменением значения параметра.
+    //  Событие PropertyChanged возникает после изменения значения параметра.
+    //  Событие SettingsLoaded возникает после загрузки значений параметров.
+    //  Событие SettingsSaving возникает перед сохранением значений параметров.
+    internal sealed partial class Settings {
+        
+        public Settings() {
+            // // Для добавления обработчиков событий для сохранения и изменения параметров раскомментируйте приведенные ниже строки:
+            //
+            // this.SettingChanging += this.SettingChangingEventHandler;
+            //
+            // this.SettingsSaving += this.SettingsSavingEventHandler;
+            //
+        }
+        
+        private void SettingChangingEventHandler(object sender, System.Configuration.SettingChangingEventArgs e) {
+            // Добавьте здесь код для обработки события SettingChangingEvent.
+        }
+        
+        private void SettingsSavingEventHandler(object sender, System.ComponentModel.CancelEventArgs e) {
+            // Добавьте здесь код для обработки события SettingsSaving.
+        }
+    }
+}
diff --git a/Signal Generator/Signal Generator.csproj b/Signal Generator/Signal Generator.csproj
index 860fd96..0321617 100644
--- a/Signal Generator/Signal Generator.csproj	
+++ b/Signal Generator/Signal Generator.csproj	
@@ -55,6 +55,19 @@
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
     </ApplicationDefinition>
+    <Compile Include="AddSignalWindow.xaml.cs">
+      <DependentUpon>AddSignalWindow.xaml</DependentUpon>
+    </Compile>
+    <Compile Include="FmSignal.cs" />
+    <Compile Include="Settings.cs" />
+    <Compile Include="SinusoidalSignal.cs" />
+    <Compile Include="TaskWindow.xaml.cs">
+      <DependentUpon>TaskWindow.xaml</DependentUpon>
+    </Compile>
+    <Page Include="AddSignalWindow.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
     <Page Include="MainWindow.xaml">
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
@@ -63,12 +76,18 @@
       <DependentUpon>App.xaml</DependentUpon>
       <SubType>Code</SubType>
     </Compile>
+    <Compile Include="IAnalogSignalModel.cs" />
     <Compile Include="MainWindow.xaml.cs">
       <DependentUpon>MainWindow.xaml</DependentUpon>
       <SubType>Code</SubType>
     </Compile>
+    <Page Include="TaskWindow.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="MultiSignal.cs" />
     <Compile Include="Properties\AssemblyInfo.cs">
       <SubType>Code</SubType>
     </Compile>
diff --git a/Signal Generator/SinusoidalSignal.cs b/Signal Generator/SinusoidalSignal.cs
new file mode 100644
index 0000000..26602e6
--- /dev/null
+++ b/Signal Generator/SinusoidalSignal.cs	
@@ -0,0 +1,43 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Signal_Generator
+{
+    class SinusoidalSignal : IAnalogSignal
+    {
+        private double ampl = 0;
+        private double freq = 0;
+        private double phase = 0;
+
+        public string ParamsToString
+        {
+            get
+            {
+                return this.ToString() + 
+                    " | A = " + ampl + 
+                    " | f = " + freq + 
+                    " | phi = " + phase;
+            }
+        }
+
+        public override string ToString()
+        {
+            return "SIN signal";
+        }
+
+        public SinusoidalSignal(double ampl, double freq, double phase = 0)
+        {
+            this.ampl = ampl;
+            this.freq = freq;
+            this.phase = phase;
+        }
+
+        public double currentAmplitude(double t)
+        {
+            return ampl * Math.Sin(2 * Math.PI * freq * t + phase);
+        }
+    }
+}
diff --git a/Signal Generator/TaskWindow.xaml b/Signal Generator/TaskWindow.xaml
new file mode 100644
index 0000000..c4cb652
--- /dev/null
+++ b/Signal Generator/TaskWindow.xaml	
@@ -0,0 +1,28 @@
+<Window x:Class="Signal_Generator.TaskWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:Signal_Generator"
+        mc:Ignorable="d"
+        Title="TaskWindow" Height="127" Width="284"
+        ResizeMode="NoResize">
+    <Grid>
+        <DockPanel VerticalAlignment="Top" Margin="10,10,10,0">
+            <DockPanel>
+                <TextBlock x:Name="currentTime_TextBlock" TextWrapping="Wrap" DockPanel.Dock="Top" Height="18">
+                    Время выполения:
+                </TextBlock>
+                <TextBlock x:Name="currentAmplitude_TextBlock" TextWrapping="Wrap">
+                    Текущий сигнал:
+                </TextBlock>
+            </DockPanel>
+            <TextBox x:Name="currentTime_TextBox" TextWrapping="Wrap" DockPanel.Dock="Top"/>
+            <TextBox x:Name="currentAmplitude_TextBox" TextWrapping="Wrap" DockPanel.Dock="Top"/>
+            <DockPanel HorizontalAlignment="Center">
+                <Button x:Name="start_Button" Width="60" Content="Старт" Margin="5,0"/>
+                <Button x:Name="pause_Button" Width="60" Content="Пауза" Margin="5,0"/>
+            </DockPanel>
+        </DockPanel>
+    </Grid>
+</Window>
diff --git a/Signal Generator/TaskWindow.xaml.cs b/Signal Generator/TaskWindow.xaml.cs
new file mode 100644
index 0000000..0d1b107
--- /dev/null
+++ b/Signal Generator/TaskWindow.xaml.cs	
@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Shapes;
+
+namespace Signal_Generator
+{
+    /// <summary>
+    /// Логика взаимодействия для TaskWindow.xaml
+    /// </summary>
+    public partial class TaskWindow : Window
+    {
+        public TaskWindow()
+        {
+            InitializeComponent();
+        }
+    }
+}