fer_test.c

ns2下用于802.11的无线传输模型的代码 增加了基于信噪比计算差错率等功能

#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <sys/time.h>

int main()
{
  int i,j,k;
  long period;
  double pre[30];
  double base,r;
  struct timeval before, after;
  
  base = 0.9;
  r = pow(base, 12000);
  printf("%12lf \n", r);

  base = 0.99;
  r = pow(base, 12000);
  printf("%12lf \n", r);

  base = 0.999;
  r = pow(base, 12000);
  printf("%12lf \n", r);

  base = 0.9999;
  r = pow(base, 12000);
  printf("%12lf \n", r);

  base = 0.99999;
  r = pow(base, 12000);
  printf("%12lf \n", r);

  base = 0.999999;
  r = pow(base, 12000);
  printf("%12lf \n", r);

  base = 0.9999999;
  r = pow(base, 12000);
  printf("%12lf \n", r);

  base = 0.99999999;
  r = pow(base, 12000);
  printf("%12lf \n", r);

  base = 0.999999999;
  r = pow(base, 12000);
  printf("%12lf \n", r);


  return 0;
}