change channel

+#include <iostream>
+#include "channel.h"
+#include "variables.h"
+#include <random>
+#include <ctime>
+using namespace std;
+
+
+Cchannel::Cchannel()
+{
+}
+
+void Cchannel::AWGN()
+{
+	srand((unsigned int)time(NULL));
+
+	for (int i = 0; i < 10000; i++)
+	{
+		default_random_engine generator(rand());
+		normal_distribution<double> myGauss(0, (float)No / 2);
+		number = myGauss(generator);
+		r[i] = s[i] + number;
+	}
+}
\ No newline at end of file

@@ -10,5 +10,6 @@ public:
 	float *s; // trasmitted signal
 	float r[Nbits / Nbitspersymbol*Nsamplespersymbol]; // corrupted signal
 	void AWGN();
+	double number;
 };
 #endif
\ No newline at end of file

@@ -21,32 +21,32 @@
   <PropertyGroup Label="Globals">
     <ProjectGuid>{6FF25C27-45BF-4502-A1F8-0EFB069E1515}</ProjectGuid>
     <RootNamespace>constellation</RootNamespace>
-    <WindowsTargetPlatformVersion>10.0.16299.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v141</PlatformToolset>
+    <PlatformToolset>v142</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v141</PlatformToolset>
+    <PlatformToolset>v142</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>MultiByte</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v141</PlatformToolset>
+    <PlatformToolset>v142</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v141</PlatformToolset>
+    <PlatformToolset>v142</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>MultiByte</CharacterSet>
   </PropertyGroup>
@@ -115,6 +115,7 @@
     <ClCompile Include="sender.cpp">
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
     </ClCompile>
+    <ClCompile Include="channel.cpp" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="channel.h" />

@@ -24,6 +24,9 @@
     <ClCompile Include="sender.cpp">
       <Filter>소스 파일</Filter>
     </ClCompile>
+    <ClCompile Include="channel.cpp">
+      <Filter>소스 파일</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="sender.h">