Digital Signal Processing Reference
In-Depth Information
12
12
10
10
8
8
6
6
4
4
2
2
0
0
0
0
.
5 1
.
0 1
.
5 2
.
0 2
.
5 3
.
0 3
.
5 4
.
0
0
0
.
5 1
.
0 1
.
5 2
.
0 2
.
5 3
.
0 3
.
5 4
.
0
F
(kHz)
F
(kHz)
(a)
(b)
12
12
10
10
8
8
6
6
4
4
2
2
0
0
0
.
5 1
.
0
1
.
5
2
.
0
2
.
5
3
.
0 3
.
5 4
.
0
0
0
.
5
1
.
0 1
.
5 2
.
0
2
.
5 3
.
0 3
.
5 4
.
0
0
F
(kHz)
F
(kHz)
(c)
(d)
12
12
10
10
8
8
6
6
4
4
2
2
0
0
0
0
.
5 1
.
0 1
.
5 2
.
0 2
.
5 3
.
0 3
.
5 4
.
0
0
.
5 1
.
0 1
.
5 2
.
0 2
.
5 3
.
0 3
.
5 4
.
0
0
F
(kHz)
F
(kHz)
(e)
(f)
FIG. 7.21
The directivity factor of the third-order dipole, as a function of frequency, for
different values of
Δ
: (a)
Δ
=0
.
5 cm, (b)
Δ
= 1 cm, (c)
Δ
= 2 cm, (d)
Δ
= 3 cm, (e)
Δ
= 4 cm,
and (f)
Δ
= 5 cm.
Search WWH ::
Custom Search