Digital Signal Processing Reference
In-Depth Information
g
4
(
t
)
2
1
15
10
5
0
5
10
15
t
(ms)
(a)
g
5
(
t
)
2
1
10
10
15
5
5
15
t
(ms)
(b)
g
6
(
t
)
10
5
1.5
1.0
0.5
0
0.5
1.0
1.5
t
(ms)
(c)
g
7
(
t
)
20
10
100
150
100
50
50
150
t
(ms)
(d)
Figure P5.7
5.8.
Given
2
e
-ƒtƒ
Î
"
+ 1
,
v
2
find the Fourier transform of the following:
d
dt
e
-ƒtƒ
(a)
1
2p(t
2
+ 1)
(b)
4
cos
(2t)
t
2
(c)
+ 1
5.9.
(a)
Find and caopare the frequency spectra of
g
4
(t)
g
6
(t)
and
shown in Figures P5.7 (a)
and (c), respectively.
