Digital Signal Processing Reference
In-Depth Information
X(z)
z
−
1
z
−
1
−
1.0
V
2
(z)
Σ
V
1
(z)
Σ
0.5
−
1.5
z
−
1
z
−
1
−
0.5
0.4
−
0.2
Σ
V
3
(z)
Y(z)
Figure 2.17
Problem 2.69.
1.0
−
0.1
0.5
X(z)
z
−
1
∑
∑
Y(z)
z
−
1
0.3
0.2
z
−
1
−
0.02
Figure 2.18
Problem 2.70.
2.70
Find the transfer function
H(z)
of the discrete-time system given in
Figure 2.18.
2.71
Derive the transfer function of the digital filter shown in Figure 2.19 and
find the samples
h(
0
), h(
1
)
,and
h(
2
)
.
2.72
Derive the transfer function
H(z)
for the digital filter shown in Figure 2.20
and find its unit impulse response
h(n)
.
2.73
Find the unit sample response
h(n)
of the discrete-time system shown in
Figure 2.21.
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