Digital Signal Processing Reference
In-Depth Information
g
N−1
[n]
g
2
[n]
g
1
[n]
g
0
[n]
x[n] = g
N
[n]
−K
N
−K
2
−K
1
K
N
K
2
K
1
z
−1
z
−1
z
−1
h
N
[n]
h
2
[n]
h
1
[n]
h
0
[n]
h
N−1
[n]
C
N
C
N−1
C
0
C
2
C
1
y[n]
Figure 2.34:
A generalized Lattice-Ladder structure.
1
0.5
0
−0.5
−1
0
200
400
600
800
1000
(a) Sample
1
0.5
0
−0.5
−1
0
200
400
600
800
1000
(b) Sample
Figure 2.35:
(a) A linear chirp filtered by an IIR having
b
= [0.3631,0.7263,0.3631] and
a
=
[1,0.2619,0.2767]; (b) A linear chirp filtered using a Lattice-Ladder structure having
k
= [0.2051, 0.2767]
and
c
= [0.1331, 0.6312, 0.3631].
