class Rayon{
double E0, beta, gamma, dist, vit, Fe, freq, c, lambda, seuil, lcr, tau;
double *alpha, *phi, *I, *Q, *r, *loi_I, *loi_Q, *loi_r, *r_dB;
int nb_echant, nb_ondes, echelle;

public:
Rayon(double,double,int,int);
~Rayon();
void calcul_IQ();
void calcul_r();
void calcul_loi_IQ();
void calcul_loi_r();
double moyenne(double *,int,int p=1);
double variance(double *,int);
void calcul_lcr();
void calcul_tau();
void ecrire(char *,double *,int);
};