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ct
io
n
d
eter
m
in
e
s
th
e
s
u
p
er
io
r
it
y
o
f
th
e
d
esi
g
n
ed
ar
r
a
y
an
t
en
n
a
u
s
i
n
g
co
r
p
o
r
ate
f
ee
d
i
n
g
-
li
n
e
[
1
1
]
-
[
1
4
]
.
R
es
u
lts
o
b
tain
ed
f
r
o
m
th
e
s
tu
d
y
r
e
v
ea
led
t
h
at
S
-
p
ar
a
m
e
ter
,
f
r
eq
u
e
n
c
y
ch
ar
ac
ter
is
tic,
in
p
u
t
i
m
p
ed
an
ce
,
r
ad
iatio
n
p
atter
n
,
an
d
an
ten
n
a
ef
f
icie
n
c
y
b
o
t
h
o
f
th
e
s
i
n
g
le
an
d
ar
r
ay
2
x
1
p
atch
es
an
te
n
n
as.
A
ls
o
,
th
e
s
t
u
d
y
ex
p
r
ess
ed
th
a
t th
e
m
o
d
i
f
ied
lo
s
s
les
s
T
-
j
u
n
ctio
n
p
o
w
er
d
i
v
id
er
2
x
1
co
n
f
i
g
u
r
at
io
n
b
o
th
f
o
r
L
e
f
t
-
Han
d
C
ir
cu
la
r
P
o
lar
izatio
n
(
L
HC
P
)
an
d
R
ig
h
t
-
Ha
n
d
C
ir
cu
lar
P
o
lar
izati
o
n
(
R
HC
P
)
ar
e
ca
p
ab
le
o
f
b
ein
g
r
ec
ip
r
o
ca
l,
m
atch
ed
,
an
d
lo
s
s
les
s
at
all
p
o
r
ts
.
2.
RE
S
E
ARCH
M
E
T
H
O
D
I
n
t
h
is
in
v
e
s
ti
g
atio
n
,
w
e
o
n
l
y
p
er
f
o
r
m
a
n
d
d
is
c
u
s
s
t
h
e
r
e
s
u
lt
o
f
th
e
n
u
m
er
ical
s
i
m
u
latio
n
r
elate
d
to
th
e
m
icr
o
s
tr
ip
a
n
te
n
n
a.
I
n
p
ar
t
icu
lar
,
t
h
e
a
n
al
y
s
i
s
f
o
cu
s
es
o
n
th
e
s
t
u
d
y
o
f
tr
ian
g
u
lar
m
icr
o
s
tr
ip
an
te
n
n
as
b
o
th
L
H
C
P
an
d
R
H
C
P
f
o
r
a
s
in
g
l
e
p
atch
an
d
ar
r
a
y
2
x
1
p
atch
es.
A
l
s
o
,
w
e
a
n
al
y
ze
th
e
m
o
d
if
ied
lo
s
s
les
s
T
-
j
u
n
ctio
n
p
o
w
er
d
i
v
id
er
f
o
r
C
P
-
S
AR
s
en
s
o
r
e
m
b
ed
d
ed
in
air
s
p
ac
e
w
it
h
co
m
p
ac
t,
s
m
al
l,
an
d
s
i
m
p
le
co
n
f
i
g
u
r
atio
n
.
I
n
t
h
is
ca
s
e,
t
h
e
ar
r
a
y
an
te
n
n
a
s
u
s
e
th
e
t
w
o
p
atch
es
a
s
a
tr
an
s
m
itter
,
Tx
,
an
d
r
ec
eiv
er
,
Rx
[7
]
,
[
8
]
.
T
a
b
l
e
1
s
h
o
w
s
t
h
e
s
p
e
c
i
f
i
c
a
t
i
o
n
f
o
r
C
P
-
S
A
R
s
y
s
t
e
m
,
w
h
i
c
h
i
n
f
l
u
e
n
c
e
t
h
e
s
p
e
c
i
f
i
c
a
t
i
o
n
o
f
t
h
e
L
-
B
a
n
d
CP
-
S
A
R
a
i
r
s
p
a
c
e
a
n
t
e
n
n
a
[
9
]
.
W
e
ch
o
o
s
e
t
h
e
Me
t
h
o
d
o
f
Mo
m
en
ts
(
Mo
M)
f
o
r
t
h
is
n
u
m
er
i
ca
l
an
al
y
s
is
to
m
a
k
e
th
e
f
a
s
t
c
alcu
latio
n
.
T
h
is
m
et
h
o
d
d
is
cr
etize
s
th
e
r
ep
r
esen
tati
v
e
s
i
g
n
al
i
n
t
h
e
in
te
g
r
al
f
o
r
m
in
to
a
d
is
cr
ete
q
u
an
tit
y
a
n
d
th
e
n
co
n
v
er
t
to
s
h
ap
e
a
m
atr
i
x
E
q
u
atio
n
w
h
ich
ca
n
b
e
s
o
l
v
ed
.
T
h
is
d
is
cr
etiza
ti
o
n
ca
n
b
e
co
n
s
id
er
ed
as d
iv
id
in
g
t
h
e
an
te
n
n
a
s
u
r
f
ac
e
in
to
s
o
m
e
s
m
all
ele
m
en
ts
.
F
u
r
th
er
m
o
r
e,
th
e
cu
r
r
en
t
d
is
tr
ib
u
tio
n
,
t
h
e
S
-
p
ar
a
m
eter
,
th
e
r
ad
iatio
n
p
atter
n
,
an
d
t
h
e
o
th
er
p
ar
a
m
e
ter
s
o
f
i
n
ter
est
ca
n
b
e
o
b
tain
e
d
.
W
e
u
s
e
th
e
s
o
f
t
w
ar
e
o
f
C
o
m
p
u
ter
Si
m
u
lat
io
n
T
ec
h
n
o
lo
g
y
(
C
ST
)
v
er
s
io
n
2
0
1
6
f
r
o
m
co
r
p
o
r
ate
co
m
p
an
y
C
ST
S
T
UDI
O
SUI
T
E
[
1
5
]
.
A
cc
o
r
d
in
g
to
th
e
s
o
f
t
w
ar
e
ch
ar
ac
ter
is
tics
,
th
e
d
ielec
tr
ic
s
u
b
s
tr
ate
an
d
th
e
g
r
o
u
n
d
p
lan
e
ar
e
co
n
s
id
er
ed
to
b
e
in
f
in
ite.
I
n
t
h
i
s
ca
s
e,
w
e
s
et
th
e
m
to
b
ec
o
m
e
f
i
n
ite.
T
ab
le
1
.
T
h
e
S
p
ec
if
icatio
n
f
o
r
C
P
-
S
AR
S
y
s
te
m
No
P
a
r
a
me
t
e
r
S
p
e
c
i
f
i
c
a
t
i
o
n
C
P
-
S
A
R
S
y
st
e
m
1.
F
r
e
q
u
e
n
c
y
(
G
H
z
)
L
-
b
a
n
d
:
1
.
2
5
-
1
.
2
7
G
H
z
;
S
-
b
a
n
d
:
2
.
5
–
2
.
9
G
H
z
2.
P
u
l
se
B
a
n
d
W
i
d
e
(
M
H
z
)
1
0
-
2
3
3
.
3
1
3.
A
x
i
a
l
R
a
t
i
o
(
d
B
)
3
4.
A
n
t
e
n
n
a
Ef
f
i
c
i
e
n
c
y
(
%)
>
8
0
5.
G
a
i
n
A
n
t
e
n
n
a
(
d
B
i
c
)
1
0
–
3
6
.
6
6.
A
z
i
mu
t
h
B
e
a
mw
i
d
t
h
(
°
)
1
.
0
8
7.
R
a
n
g
e
B
e
a
mw
i
d
t
h
(
°
)
2
.
1
6
8.
A
n
t
e
n
n
a
S
i
z
e
(
m)
2
x
4
9.
P
o
l
a
r
i
z
a
t
i
o
n
(
Tx
/
Rx
)
L
H
C
P
+
R
H
C
P
2
.
1
.
T
he
L
H
CP
a
nd
RH
CP
Sin
g
le
P
a
t
ch
Ant
enna
s
Co
nfi
g
ura
t
io
n
Fig
u
r
e
1
s
h
o
w
s
t
h
e
co
n
f
ig
u
r
at
io
n
o
f
L
H
C
P
an
d
R
H
C
P
s
in
g
l
e
p
atch
an
ten
n
as
d
esi
g
n
.
T
h
e
eq
u
ilater
al
tr
ian
g
u
lar
p
atch
h
a
s
a
len
g
t
h
,
a
+
t
+
h
=
p
+
2
t
an
d
a
co
n
v
e
n
tio
n
al
s
u
b
s
tr
ate
,
ε
r
=
2
.
1
7
an
d
δ
=
0
.
0
0
0
5
.
T
h
e
an
ten
n
a
i
s
f
ed
b
y
p
r
o
x
i
m
it
y
co
u
p
le
lo
ca
ted
o
n
th
e
le
f
t
s
id
e
f
o
r
L
HC
P
a
n
d
o
n
t
h
e
r
ig
h
t
s
id
e
f
o
r
R
H
C
P
.
T
h
e
len
g
t
h
o
f
p
ar
a
m
eter
s
i
n
t
h
e
d
esig
n
o
f
L
H
C
P
an
d
R
H
C
P
an
ten
n
a
s
ar
e
th
e
s
a
m
e
s
ize
f
o
r
a
,
p
,
h
,
t
,
w1
,
w2
,
etc.
I
n
th
is
ca
s
e,
th
e
tr
u
n
ca
ted
-
tip
o
f
t
=
1
.
5
0
0
8
m
m
an
d
h
=
7
.
6
4
m
m
f
o
r
s
m
o
o
th
p
er
f
o
r
m
an
ce
o
f
t
h
e
r
es
u
lt
s
.
I
f
t
>
h
,
th
e
n
L
H
C
P
an
d
R
H
C
P
ar
e
o
b
tain
ed
w
h
e
n
t
h
e
p
r
o
x
i
m
it
y
co
u
p
led
f
ee
d
i
s
lo
ca
ted
o
n
t
h
e
r
i
g
h
t
a
n
d
th
e
lef
t
s
id
e
o
f
t
h
e
eq
u
ilater
al
tr
i
an
g
u
lar
p
atc
h
an
ten
n
a,
r
esp
ec
tiv
el
y
.
Ot
h
er
w
is
e,
if
t
<
h
,
i
n
th
e
s
a
m
e
m
a
n
n
er
,
th
at
L
H
C
P
an
d
R
H
C
P
o
cc
u
r
as
t
h
e
p
r
o
x
i
m
it
y
co
u
p
led
f
ee
d
i
s
co
n
s
ec
u
ti
v
el
y
l
ied
o
n
t
h
e
lef
t
an
d
t
h
e
r
i
g
h
t
s
id
e.
As
w
ell,
t
h
e
f
u
n
ctio
n
o
f
t
s
er
v
e
as
s
w
itc
h
i
n
g
to
ch
an
g
e
t
h
e
v
ar
iatio
n
o
f
p
o
lar
izatio
n
,
i
f
th
e
p
r
o
x
i
m
it
y
co
u
p
led
f
ee
d
is
lo
ca
ted
o
n
th
e
s
a
m
e
p
lace
(
f
o
r
ex
a
m
p
le
,
th
e
p
r
o
x
i
m
it
y
co
u
p
led
f
ee
d
lo
cu
s
i
n
t
h
e
r
ig
h
t
s
id
e,
t
<
h
,
R
HC
P
w
il
l
b
e
ac
h
ie
v
ed
o
n
t
h
at
p
lace
)
.
I
f
t
=
h
,
th
e
n
b
o
th
o
f
t
h
e
a
n
ten
n
as
d
o
n
o
t
h
a
v
e
CP
an
d
o
n
l
y
o
b
tai
n
a
lin
ea
r
p
o
lar
izatio
n
[
9
].
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
5
0
2
-
4752
I
n
d
o
n
esia
n
J
E
lec
E
n
g
&
C
o
m
p
Sci,
Vo
l.
12
,
No
.
1
,
Octo
b
er
2
0
1
8
:
3
1
0
–
318
312
x
y
O
a
t
p
Δ
w
1
α
w
2
h
1
h
2
E
l
x
g
r
o
u
n
d
s
u
b
s
t
r
a
t
e
O
z
F
e
e
d
i
n
g
-
l
i
n
e
g
2
s
u
b
s
t
r
a
t
e
p
a
t
c
h
g
1
h
l
f
(
t
o
p
v
i
e
w
)
(
s
i
d
e
v
i
e
w
)
w
1
r
1
l
s
t
l
s
l
e
x
y
O
a
w
1
t
p
Δ
w
1
r
1
α
w
2
l
s
t
l
s
l
e
h
1
h
2
E
l
x
g
r
o
u
n
d
s
u
b
s
t
r
a
t
e
O
z
F
e
e
d
i
n
g
-
l
i
n
e
g
2
s
u
b
s
t
r
a
t
e
p
a
t
c
h
g
1
a
=
9
5
.
2
3
1
1
m
m
p
=
1
0
1
.
3
8
m
m
h
=
7
.
6
4
m
m
t
=
1
.
5
0
0
8
m
m
w
1
=
1
.
6
7
m
m
w
2
=
2
.
5
9
m
m
△
w
1
=
0
.
4
6
m
m
α
=
3
0
0
l
e
=
2
1
m
m
l
s
=
1
9
.
7
m
m
r
1
=
0
.
4
m
m
l
s
t
=
1
5
.
8
7
m
m
l
f
=
2
0
.
1
7
m
m
h
1
=
1
.
6
m
m
h
2
=
1
.
6
m
m
g
1
=
1
4
4
.
6
m
m
g
2
=
1
3
0
m
m
ε
r
=
2
.
1
7
δ
=
0
.
0
0
0
5
h
l
f
(
t
o
p
v
i
e
w
)
(
s
i
d
e
v
i
e
w
)
A
z
A
z
(
i
)
L
H
C
P
(
i
i
)
R
H
C
P
Fig
u
r
e
1
.
C
o
n
f
ig
u
r
atio
n
o
f
th
e
L
H
C
P
an
d
R
HC
P
s
i
n
g
le
p
atch
an
ten
n
as
2
.
2
.
T
he
L
H
CP
a
nd
RH
CP
M
o
dified
L
o
s
s
le
s
s
T
-
j
u
nc
T
h
e
p
o
w
er
d
iv
id
er
is
a
n
et
w
o
r
k
w
it
h
o
n
e
i
n
p
u
t p
o
r
t a
n
d
N
o
u
tp
u
t p
o
r
ts
.
T
h
e
in
p
u
t p
o
w
er
at
th
e
i
n
p
u
t p
o
r
t
w
il
l
b
e
d
iv
id
ed
b
y
t
h
e
n
u
m
b
er
o
f
th
e
o
u
tp
u
t
p
o
r
ts
t
h
at
y
i
eld
th
e
s
a
m
e
o
u
tp
u
t
p
o
w
er
a
t
ea
ch
o
u
tp
u
t
p
o
r
t.
T
h
e
in
c
id
en
t
w
av
e
s
an
d
th
e
r
e
f
lecte
d
w
av
e
s
ar
e
r
elate
d
to
in
p
u
t
p
o
w
er
an
d
o
u
tp
u
t
p
o
w
er
a
t
th
e
in
p
u
t
p
o
r
t
an
d
th
e
o
u
tp
u
t
p
o
r
ts
.
T
h
en
,
th
e
S
-
m
atr
i
x
r
eg
ar
d
in
g
i
n
cid
en
t
w
a
v
es
(
a
)
an
d
r
ef
lecte
d
w
a
v
e
s
(
b
)
ca
n
b
e
w
r
itten
a
s
[
1
6
]
-
[
1
8
]
[
]
=
[
]
[
]
[
1
2
⋮
]
=
[
11
12
⋯
1
21
22
⋯
2
⋮
1
⋮
2
⋱
⋯
⋮
]
[
1
2
⋮
]
(
1
)
T
h
e
g
en
er
al
E
q
u
atio
n
f
o
r
an
el
e
m
en
t o
f
t
h
e
S
-
m
atr
ix
ca
n
b
e
d
ef
i
n
ed
as
=
|
=
0
,
≠
(
2
)
I
n
p
r
in
cip
le,
an
in
cid
en
t
w
a
v
e
d
r
iv
es
p
o
r
t
j
an
d
a
r
ef
lecte
d
w
a
v
e
ex
it
s
p
o
r
t
i
,
w
h
er
e
th
e
r
atio
o
f
th
e
r
ef
lecte
d
w
av
e
to
in
cid
e
n
t
w
a
v
e
p
r
o
v
id
es
t
h
e
S
-
m
atr
i
x
ele
m
en
t
S
ij
.
A
d
d
itio
n
all
y
,
th
e
in
cid
en
t
w
a
v
es
o
n
a
ll
p
o
r
ts
o
th
er
th
an
p
o
r
t
j
ar
e
s
et
eq
u
al
to
ze
r
o
.
A
v
ec
to
r
n
et
w
o
r
k
a
n
al
y
ze
r
is
t
y
p
icall
y
u
s
ed
to
m
ea
s
u
r
e
th
ese
p
ar
am
eter
s
.
On
e
co
m
m
o
n
c
h
ar
ac
ter
is
tic
f
o
u
n
d
i
n
p
o
w
er
d
i
v
id
er
s
i
s
r
e
cip
r
o
city
.
A
r
ec
ip
r
o
ca
l
d
ev
ice
is
t
h
e
o
n
e
in
w
h
ic
h
t
h
e
tr
an
s
m
itted
p
o
w
er
b
et
w
ee
n
t
w
o
p
o
r
ts
o
f
t
h
e
d
ev
ice
i
s
t
h
e
s
a
m
e
r
e
g
ar
d
less
o
f
th
e
p
r
o
p
ag
atio
n
d
ir
ec
tio
n
th
r
o
u
g
h
t
h
e
d
ev
ice.
Fo
r
a
r
ec
ip
r
o
ca
l d
ev
ice
[
1
6
]
-
[
1
8
]
,
w
e
h
av
e
[
]
=
[
]
=
;
(
3
)
An
o
th
er
p
r
o
p
er
ty
o
f
th
e
S
-
m
a
tr
ix
is
h
o
w
m
u
c
h
lo
s
s
th
at
ca
n
b
e
attr
ib
u
ted
to
th
e
d
ev
ice.
I
d
ea
lly
,
a
lo
s
s
les
s
p
o
w
er
d
iv
id
er
w
il
l
b
e
u
s
ed
in
a
s
y
s
te
m
.
Ho
w
e
v
er
,
th
e
o
n
l
y
lo
w
-
lo
s
s
d
iv
i
d
er
is
p
h
y
s
ical
l
y
r
ea
lizab
le.
I
t
h
as
b
ee
n
s
h
o
w
n
,
m
a
in
l
y
b
y
P
o
za
r
,
th
at
if
t
h
e
S
-
m
atr
i
x
o
f
th
e
d
ev
ice
i
s
u
n
itar
y
,
th
e
n
t
h
e
d
ev
ice
is
lo
s
s
les
s
,
as f
o
llo
w
[
1
6
-
18]
[
]
[
]
∗
=
[
]
[
∗
]
[
]
=
[
]
(
4
)
w
h
er
e
[
I
]
is
th
e
id
en
tit
y
m
a
tr
ix
,
th
e
s
u
p
er
s
cr
ip
t
T
r
ep
r
esen
ts
th
e
its
tr
an
s
p
o
s
e,
an
d
th
e
s
u
p
er
s
cr
ip
t
aster
is
k
(
*
)
r
ep
r
esen
ts
th
e
i
ts
co
n
j
u
g
ate.
Fo
r
th
r
ee
p
o
r
ts
p
o
w
er
d
iv
id
er
,
is
o
latio
n
b
et
w
ee
n
o
u
tp
u
t p
o
r
ts
,
p
o
r
t
2
an
d
p
o
r
t
3
(
s
ee
Fig
u
r
e
.
2
)
,
is
p
r
o
m
i
n
en
t f
o
r
r
ed
u
cin
g
cr
o
s
s
-
talk
th
a
t
ca
n
b
e
ca
u
s
ed
b
y
co
u
p
lin
g
b
et
w
ee
n
t
h
e
p
o
r
ts
.
B
y
d
ef
in
itio
n
,
a
-
3
d
B
p
o
w
er
d
iv
id
er
is
an
id
ea
l p
ass
i
v
e
lo
s
s
le
s
s
r
ec
ip
r
o
ca
l th
r
ee
p
o
r
ts
d
ev
ice
th
at
d
i
v
id
es p
o
w
er
e
q
u
all
y
i
n
m
ag
n
it
u
d
e
an
d
p
h
a
s
e.
T
h
e
S
-
p
ar
a
m
eter
m
atr
i
x
r
elate
d
to
th
is
d
ev
ice
is
:
[
]
=
[
11
12
13
21
22
23
31
32
33
]
(
5)
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
d
o
n
esia
n
J
E
lec
E
n
g
&
C
o
m
p
Sci
I
SS
N:
2502
-
4752
Tr
ia
n
g
u
la
r
Micr
o
s
tr
ip
A
n
ten
n
a
fo
r
C
ir
cu
la
r
ly
-
P
o
la
r
iz
ed
S
yn
th
etic…
(
Mu
h
a
mma
d
F
a
u
z
a
n
E
d
y
P
u
r
n
o
mo
)
313
A
cc
o
r
d
in
g
to
th
e
m
atr
i
x
in
(
5
)
,
th
e
co
n
d
itio
n
f
o
r
a
lo
s
s
less
n
et
w
o
r
k
is
g
iv
e
n
b
y
E
q
u
atio
n
(
4
)
.
A
ls
o
,
th
e
s
it
u
atio
n
f
o
r
a
r
ec
ip
r
o
ca
l
n
et
w
o
r
k
is
d
escr
ib
ed
in
E
q
u
at
io
n
(
3
)
.
T
h
en
,
th
e
s
tate
f
o
r
co
ef
f
icie
n
t
r
ef
lect
io
n
lo
ad
(Γ
L
)
is
Γ
=
1
−
|
|
2
=
;
0
≤
Γ
≤
1
;
,
=
1
,
2
,
3
(
6
)
I
f
Γ
L
=
1
⌊
0
°,
t
h
e
n
it
o
cc
u
r
s
a
n
o
p
en
cir
cu
it
co
n
d
itio
n
.
I
f
Γ
L
=
1
⌊
1
8
0
°,
th
is
i
s
a
s
h
o
r
t
cir
cu
i
t
co
n
d
itio
n
.
I
f
Γ
L
=
0
,
th
en
t
h
i
s
is
a
m
atc
h
ed
lo
ad
cir
cu
it
co
n
d
itio
n
.
Si
n
ce
all
t
h
e
th
r
ee
p
o
r
ts
o
f
t
h
is
p
o
w
er
d
i
v
id
er
ar
e
m
atc
h
ed
,
th
en
S
ii
=
0
.
T
h
e
m
o
d
if
ied
S
-
m
a
tr
ix
f
o
r
m
atc
h
ed
lo
ad
co
n
d
itio
n
is
[
]
=
[
0
12
13
21
0
23
31
32
0
]
(
7
)
I
n
th
e
S
-
m
atr
ix
,
t
h
e
ele
m
e
n
ts
S
23
an
d
S
32
ar
e
ass
o
ciate
d
w
it
h
t
h
e
is
o
latio
n
b
et
w
ee
n
t
h
e
o
u
tp
u
t
p
o
r
ts
.
T
h
ese
co
r
r
esp
o
n
d
to
s
ig
n
als
e
n
ter
in
g
p
o
r
t
2
an
d
e
x
iti
n
g
p
o
r
t
3
,
an
d
v
ice
v
er
s
a.
W
h
en
th
e
m
ag
n
it
u
d
es
o
f
t
h
es
e
ele
m
e
n
ts
ar
e
s
m
all,
h
i
g
h
i
s
o
l
atio
n
is
ac
h
ie
v
ed
b
et
w
ee
n
t
h
e
p
o
r
ts
.
Fo
r
th
e
lo
s
s
les
s
co
n
d
it
io
n
to
b
e
tr
u
e,
th
e
m
atr
i
x
in
E
q
u
at
io
n
(
7
)
m
u
s
t b
e
u
n
itar
y
an
d
s
at
is
f
y
.
|
12
|
2
+
|
13
|
2
=
1
(
8
)
|
12
|
2
+
|
23
|
2
=
1
(
9
)
|
13
|
2
+
|
23
|
2
=
1
(
10
)
13
∗
23
=
0
(
11
)
23
∗
12
=
0
(
12
)
12
∗
13
=
0
(
13
)
T
h
is
lo
s
s
less
f
o
r
m
m
ea
n
s
th
at
t
w
o
o
f
th
e
ele
m
en
t
s
S
12
,
S
13
,
an
d
S
23
m
u
s
t
b
e
eq
u
al
to
ze
r
o
to
s
atis
f
y
E
q
u
atio
n
s
(
1
1
)
–
(
1
3
)
.
Fo
r
th
e
s
ak
e
o
f
clar
it
y
o
f
th
i
s
an
al
y
s
is
,
S
12
an
d
S
13
s
et
eq
u
al
to
z
er
o
.
Ho
w
ev
er
,
it
is
o
b
v
io
u
s
t
h
at
b
y
s
etti
n
g
S
12
a
n
d
S
13
eq
u
al
to
ze
r
o
,
E
q
u
atio
n
(
8
)
is
n
o
t
s
ati
s
f
ied
.
C
o
n
s
eq
u
en
t
ly
,
w
h
e
n
t
w
o
o
f
t
h
e
ele
m
e
n
ts
S
12
,
S
13
,
a
n
d
S
23
ar
e
eq
u
al
to
ze
r
o
,
o
n
e
o
f
th
e
E
q
u
ati
o
n
s
(
8
)
-
(
1
0
)
w
ill
n
o
t
b
e
s
ati
s
f
ied
.
T
h
u
s
a
m
atc
h
ed
,
r
ec
ip
r
o
ca
l,
lo
s
s
les
s
o
f
t
h
r
ee
p
o
r
ts
n
et
w
o
r
k
b
ec
o
m
e
s
i
m
p
o
s
s
ib
le
to
b
e
r
ea
lized
[
16
-
18
].
2
.
3
.
T
he
L
H
CP
a
nd
RH
CP
Arr
a
y
T
w
o
P
a
t
ches Ant
enna
s
Usi
ng
t
he
M
o
dified
L
o
s
s
les
s
T
-
j
un
ct
io
n
P
o
w
er
Div
ider
2
x
1
Co
nf
ig
ura
t
io
n
Fig
u
r
e
2
s
h
o
w
th
e
co
n
f
i
g
u
r
ati
o
n
o
f
tr
ian
g
u
lar
ar
r
a
y
a
n
te
n
n
a
b
o
th
L
H
C
P
an
d
R
HC
P
i
n
cl
u
d
e
th
e
t
w
o
r
ad
iatin
g
p
atch
e
s
f
ed
b
y
co
r
p
o
r
ate
f
ee
d
i
n
g
-
li
n
e
w
it
h
id
e
n
tica
l
p
ath
len
g
t
h
s
f
r
o
m
t
h
e
in
p
u
t
p
o
r
t
to
o
u
tp
u
t
p
o
r
ts
an
d
th
eir
p
ar
a
m
e
ter
s
.
T
h
e
aim
o
f
d
es
ig
n
ed
th
e
co
r
p
o
r
ate
f
ee
d
in
g
-
li
n
e
is
to
ac
q
u
ir
e
a
t
ap
er
ed
an
d
in
-
p
h
a
s
e
o
u
tp
u
t
c
u
r
r
en
t
d
is
tr
ib
u
tio
n
[
10
]
,
[
14
]
.
T
h
e
p
ar
am
eter
s
ize
s
o
f
ea
ch
p
atc
h
(
p
atch
1
an
d
p
atch
2
)
ar
e
th
e
s
a
m
e
,
n
a
m
e
l
y
th
e
len
g
t
h
o
f
tr
ian
g
le
s
id
e,
a
=
9
5
.
2
3
1
1
m
m
a
n
d
p
=
1
0
1
.
3
8
m
m
,
t
h
e
le
n
g
t
h
o
f
p
er
tu
r
b
atio
n
s
e
g
m
en
t,
h
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2
5
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ii)
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r
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et
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c
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f
1
.
2
5
GHz
.
(
iii)
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m
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a
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I
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d
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p
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m
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ch
.
RE
F
E
R
E
NC
E
S
[1
]
P
u
rn
o
m
o
M
F
E,
S
u
m
a
n
ty
o
JT
S
.
De
sig
n
Circ
u
l
a
rly
Po
l
a
rize
d
o
f
Eq
u
il
a
ter
a
l
T
ria
n
g
u
l
a
r
Ho
le
A
n
t
e
n
n
a
fo
r
S
A
R
(
S
y
n
th
e
ti
c
Ap
e
rtu
re
R
a
d
a
r)
.
IEI
C
E
T
e
c
h
n
ica
l
Re
p
o
rt,
I
S
S
N
:
0
9
1
3
-
5
6
8
5
.
Oc
t
o
b
e
r
1
7
-
1
9
,
2
0
1
1
;
V
o
l.
1
1
1
;
No
.
2
3
9
.
[2
]
Yo
h
a
n
d
r
i,
W
issa
n
V
,
F
irm
a
n
s
y
a
h
I,
A
k
b
a
r
Ri
z
k
i
P
,
S
u
m
a
n
t
y
o
JT
S
,
Ku
z
e
H.
D
e
v
e
lo
p
me
n
t
o
f
Circ
u
la
rly
Po
la
rize
d
Arra
y
An
ten
n
a
f
o
r
S
y
n
t
h
e
ti
c
Ap
e
rtu
re
Ra
d
a
r
S
e
n
so
r
In
st
a
ll
e
d
o
n
UAV
.
P
ro
g
re
ss
In
El
e
c
tro
m
a
g
n
e
ti
c
s
Re
se
a
rc
h
C.
2
0
1
1
;
Vo
l.
1
9
:
1
1
9
–
1
33
.
[3
]
Ba
h
a
ru
d
d
in
M
,
W
issa
n
V
,
S
u
m
a
n
ty
o
J
T
S,
Ku
z
e
H.
Eq
u
il
a
ter
a
l
M
icr
o
strip
A
n
ten
n
a
fo
r
C
irc
u
l
a
rly
-
P
o
l
a
rize
d
S
y
n
th
e
ti
c
A
p
e
rtu
re
R
a
d
a
r
.
P
r
o
g
re
ss
In
El
e
c
tro
m
a
g
n
e
ti
c
Re
se
a
rc
h
C.
2
0
0
9
;
V
o
l
.
8
:
1
07
–
1
2
0
.
[4
]
P
u
rn
o
m
o
M
F
E,
S
u
y
o
n
o
H
,
M
u
d
ji
ra
h
a
rd
jo
P
,
Ha
sa
n
a
h
RN.
An
a
lys
is
P
e
rfo
rm
a
n
c
e
o
f
S
in
g
ly
-
fed
C
irc
u
l
a
rly
P
o
l
a
rize
d
M
icr
o
strip
A
n
ten
n
a
f
o
r
W
ire
les
s
C
o
mm
u
n
ica
ti
o
n
.
Ju
r
n
a
l
T
EKNO
L
O
G
I,
e
-
IS
S
N
:
2180
-
3
7
2
2
.
M
a
y
2
0
1
6
;
V
o
l
.
7
8
;
No
.
5
–
9
.
[5
]
T
a
n
g
CL
,
Lu
JH
,
W
o
n
g
KL
.
Cir
c
u
la
rly
Po
la
rize
d
Eq
u
il
a
ter
a
l
-
T
ri
a
n
g
u
l
a
r
M
icr
o
strip
A
n
ten
n
a
w
i
th
T
ru
n
c
a
ted
ti
p
.
El
e
c
tro
n
.
L
e
tt
e
r.
Ju
n
e
1
9
9
8
;
V
o
l.
3
4
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Evaluation Warning : The document was created with Spire.PDF for Python.
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8
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Ch
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s In
c
.
Ho
b
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n
,
Ne
w
Je
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se
y
,
2005.
Evaluation Warning : The document was created with Spire.PDF for Python.