Te=0.1; Nu=4; Nbit=2; l_g=5; Nc=(2^l_g)-1; ci_g1=[21;21];ci_g2=[13;10]; coef_g1=[9;9];coef_g2=[15;15]; nb_coef=127; Nech=15; N=Nu*Nc; N1=N*Nech r=0.35; fe=Nech; gain_em=1; gain_rec=1/Nech; pulse=filter_tap(1,nb_coef,fe,r,1); Nb_vec=3; nb_event=4; Tfin=Te*Nb_vec; sigma=0.4;