#include <iostream>
#include <cmath>
#include <time.h>
//Functions
int	    DCS_Code(double k,int times);
int	    DCS_Uncode(double k,int times);
int		DCS_QPSK(double k,int times);
void	Input();
void	Encoder();
void	Modulate(double k);
void	Mod_Transfer();
void	Base_Transfer(double k);
void	Demodulate();
void	Decoder();
double	AWGN();
void	Statistics();
void	Mod_16PSK(double k);
void	De_16PSK();
void	Get_ri(int i,int a,double k);
int		Dec2Geray(int temp);
void	Mod_QPSK(double k);
void	De_QPSK();