Digital Signal Processing Reference
In-Depth Information
n ¼ m þ
2
:
5
log
2
f
s
2
:
14
¼
10
þ
2
:
5
log
2
160
b.
2
:
14
2
f
max
2
20
¼
12
:
86
z
13 bits
12.21. a.
f
c
=B ¼
6 is an even number, which is case 1, so we select
f
s
¼
10 kHz.
(a)
Bandpass signal with
baseband bandwidth
B = 5 kHz
f
kHz
20
2
28
30
32
35
4
0
Bandpass signal
sa
m
p
led at fs = 10 kHz
f
kHz
2
1
20
3
0
40
0
b.
Since
f
c
=B ¼
5 is an odd number, we select
f
s
¼
10 kHz.
(b)
Bandpass signal with
baseband bandwidth
B = 5 kHz
f
kHz
20
23
2
27
30
35
4
0
Bandpass signal
sa
m
pled at
f
s =
10 kHz
f
kHz
3
1
0
20
3
0
40
0
c.
No
w
,
f
c
=B ¼
6
:
6, w
hic
h is a noninteger. We extend the bandwidth to
B ¼
5
:
5 kHz, so
f
c
=B ¼
6 and
f
s
¼
2
B ¼
11 kHz.
(c)
Bandpass signal with
baseband bandwidth
B = 5.5 kHz
f
kHz
20
30
31
33
35
40
0
Bandpass signal
sa
m
pl
ed at fs = 11 kHz
f
kHz
2
1
0
20
3
0
40
0
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