Te=0.1; Nu=350; Nech=15; N=Nu*Nech; Nbit=2; nb_coef=127; r=0.35; fe=Nech; gain_em=1; gain_rec=1/Nech; pulse=zeros(1,1); t_Ts=1/fe*(-nb_coef/2:nb_coef/2-1); pulse = 4*r/%pi*(cos((1+r)*%pi*t_Ts) + (sin((1-r)*%pi*t_Ts)./(4*r*t_Ts)))./(1-(4*r*t_Ts).^2); Nb_vec=3; nb_event=3; Tfin=Te*Nb_vec*10 sigma=0.2;