Digital Signal Processing Reference
In-Depth Information
13.17.
a.
f ðtÞ¼
4
fð
2
tÞ
2
fð
2
t
1
Þ
b.
f ðtÞ¼fðtÞþ
3
jðtÞ
13.19. a.
f ðtÞ¼ð
2
=pÞfð
2
tÞð
2
=pÞfð
2
t
1
Þ
b.
f ðtÞ¼ð
2
=pÞjðtÞ
p
2
h
0
4
t k
p
2
h
0
0
4
t
p
2
h
0
1
4
t
1
N
k
f
¼
f
þ
f
13.21. a.
k ¼
N
p
2
p
2
b.
¼
0
:
707
fð
4
tÞþ
0
:
707
fð
4
t
1
Þ¼fð
4
tÞþfð
4
t
1
Þ¼fð
2
tÞ
p
h
1
k
f
4
t k
¼
p
h
1
0
f
4
t
þ
p
h
1
1
f
4
t
1
N
k¼
N
p
0
:
707
f
4
t
þ
p
0
:
707
f
4
t
1
¼ f
4
t
f
4
t
1
¼ j
2
t
¼
13.23.
wðkÞ¼½
5
:
5000
0
:
5000
7
:
0711
2
:
1213
13.25.
cðkÞ¼½
2
:
2929
3
:
7071
2
:
4142
0
:
4142
13.27.
cðkÞ¼½
2
:
1213
3
:
5355
2
:
8284
0
CHAPTER 14
14.1. a.
76.8 K bytes
b.
921.6 K bytes
c.
1920.768 K bytes
14.3.
Y ¼
142
; I ¼
54
; Q ¼
11
14.5.
"
53
#
44
59
50
14.7.
2
3
14661
64464
44666
16774
4
5
14.9.
2
4
3
5
102
109
104
51
98
101
101
54
98
103
100
51
50
55
51
25
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