Digital Signal Processing Reference
In-Depth Information
FIGURE 6.9
Stability illustrations.
EXAMPLE 6.9
The following transfer functions describe digital systems.
z þ 0:5
ðz 0:5Þðz
2
þ z þ 0:5Þ
a.
HðzÞ¼
z
2
þ 0:25
ðz 0:5Þðz
2
þ 3z þ 2:5Þ
b.
HðzÞ¼
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