Digital Signal Processing Reference
In-Depth Information
x
[
n
]
w
[
n
]
y
[
n
]
b
0
1/
a
0
D
D
b
1
a
1
D
D
b
2
a
2
b
N
1
a
N
1
D
D
Figure 10.16
Direct form I for an
N
th-
b
N
a
N
order system.
x
[
n
]
y
[
n
]
1/
a
0
b
0
D
a
1
b
1
D
a
2
b
2
a
N
1
b
N
1
D
a
N
b
N
Figure 10.17
Direct form II for an
N
th-
order system.
