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1
ECE 313 (Fall 2009) Homework #5
(Due:
Oct. 16, 2009, Friday
, in class)
Reading Assignment Reminder:
Sections 4.7 – 4.8, 6.1 – 6.4, 7.1 – 7.4, 7.6
Recommended Optional Reading: Appendix B, Appendix C (Matlab & Simulink), Section 7.5, 7.7
Problems:
NOTE: There are 6 problems this time. There will be no homework assignment next week.
Also note that this homework is not due until Friday.
NOTE: For all Matlab problems, please print out both your codes and figures, and write
appropriate comments on what you observe from the figures. For Simulink, print your
Simulink diagrams.
1)
(10 pts) For each of the following system, 1) determine whether it can be approximated
by a secondorder system without zero, and explain why, and 2) validate your answers
with Matlab simulation of the step responses, where you compare the original systems
with the approximating secondorder system.
(a)
2
4
()
(4
)
(
4
)
Gs
ss
s
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 Fall '08
 Gokcek,C

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