07/11/07 20:07:16
// >>80 ガウス窓
// gnuplot でやるには plot sin(x)*exp(-x*x/0.03*0.03)
#include <iostream>
#include <math>
#include <fstream>
#define pi 3.141592
int main (void) // window function - Gauss window
{
double x, sigma=0.03;
std::ofstream window("window.csv");
for (x=-pi; x<pi; x+=0.01){
window << x << ", " << sin(x) * exp(-x*x/sigma*sigma) << std::endl;
}
return 0;
}