%H = tf([10],[10 2*0.7*sqrt(10) 1 0],'inputdelay',0.35);
H = tf([10],[10 2*0.7*sqrt(10) 1 0])
Hd = c2d(H,0.01,'foh')
Hd2 = c2d(H,0.1,'foh')
%step(H,'-',Hd,'--')
bode(H, Hd, Hd2)