## EE 451

**Homework Assignment 4 **

Due Sept. 20, 2000

- 1.
- Problem 3.34 (a) (c).
- 2.
- Problem 3.39
- 3.
- Probelm 3.41 (b) (e)
- 4.
- Consider a system with the impulse response

- (a)
- Find
*H*(*z*).
- (b)
- Plot the poles and zeros of
*H*(*z*).
- (c)
- Write the difference equation that characterizes the system.
- (d)
- Is the system stable? Is it causal?

- 5.
- Problem 4.5.
- 6.
- Problem 4.6 (e) (g) (h).

*
Bill Rison,
<rison@ee.nmt.edu >
*