Specifications

Continuous/Discrete Conversions of LTI Models
3-25
step(h,'--',hd,'-')
Note The Tustin and matched pole/zero methods are accurate only for
delays that are integer multiples of the sampling period. It is therefore
preferable to use the
zoh and foh discretization methods for models with
delays.
Time (sec.)
Amplitude
Step Response
0 0.5 1 1.5 2 2.5 3 3.5 4
0
0.2
0.4
0.6
0.8
1
1.2
1.4