Digital Signal Processing Reference
In-Depth Information
s
(
n
)
(a)
n
0
M
2
M
x
(
n
)
M
samples
L
zeros
(b)
n
0
M
P
2
P
Figure 7.1
. (a) A signal
s
(
n
) and (b) its zero-padded version
x
(
n
). Here,
L
zeros are
padded at the end of each block of
M
samples.
M
samples
M
samples
L
zeros
y
(
n
)
0
y
(
n
)
s
(
n
)
0
x
(
n
)
s
(
n
)
C
(
z
)
M
P
P
z
−
1
y
(
n
)
1
z
z
z
s
(
n
)
1
channel
M
P
P
noise
q(n)
z
z
−
1
z
s
(
n
)
M
−
1
z
−
1
M
P
advance chain
advance chain
z
−
1
z
−
1
P
block of
L
zeros
delay chain
y
(
n
)
P
z
−
1
z
−
1
P
P
P = M + L
Figure 7.2
. The zero-padding transmitter and corresponding receiver represented
using multirate building block notation.
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