PRACTICAL MATLAB® FOR ENGINEERS PRACTICAL MATLAB

628 Practical MATLAB® Applications for Engineers

FIGURE 6.55
Zero/pole plot of the discrete IIR transfer function H(z) for wc = 3 rad/s of part (b) of Example 6.7.

1

zero-pole plot of H (z )

0.8

0.6

0.4

0.2

3

0.2

0.4

0.6

0.8

 1

 1 0.5 0 0.5 1

Real part

0

Imaginary part

FIGURE 6.56
Zero/pole plot of the analog transfer function H(s) for wc = 3 rad/s of part (b) of Example 6.7.

3

zero-pole plot of H (s )

2

1

0

 1

 2

 3

 3 2.5  2 1.5  1 0.5 0

Real axis

Imaginary axis