Digital Signal Processing Reference
In-Depth Information
H
ANSWERS TO SELECTED
PROBLEMS
CHAPTER 2
2.1.
(a) (ii)
x
(
t
)
2
1
3
2
1
1
2
3
(iii)
x
(3
t
)
2
1
6
5
4
3
2
1
1
2.3.
(a)
y
1
t
2
=-2x
1
-2t + 2
2
+ 2
2.8.
(a)
odd
(b)
even
(c)
even
(d)
even
(e)
neither
2p
3
2.12.
(a)
T
0
=
, v
0
= 3
p
4
, v
0
= 8
(b)
T
0
=
(c)
T
0
= p, v
0
= 2
2.13.
(a)
periodic,
(c)
not periodic since there is no common factor of
T
0
= 2p,
v
0
= 1
p
and 1
1
a
sin
2
a
b
2.16.
a
- 4
b
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