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T
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I
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6
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2020
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8
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T
h
eir
p
er
f
o
r
m
in
g
f
ilter
i
n
g
b
eh
a
v
io
r
is
g
e
n
er
all
y
a
f
u
n
ctio
n
o
f
th
e
s
tr
u
ctu
r
e,
t
h
e
o
p
er
atin
g
f
r
e
q
u
en
c
y
a
n
d
th
e
i
n
co
m
in
g
E
M
w
a
v
e
p
o
lar
izatio
n
.
B
ased
o
n
th
e
ab
o
v
e
p
r
in
cip
le
th
e
FS
S c
an
co
m
b
i
n
ed
w
it
h
th
e
UW
B
an
ten
n
a
to
en
h
a
n
ce
its
p
er
f
o
r
m
a
n
ce
[
1
8
,
1
9
]
.
I
n
r
ec
en
t
liter
at
u
r
e,
s
o
m
e
s
i
n
g
le
-
la
y
er
FS
S
r
ef
lec
to
r
s
ar
e
d
esig
n
ed
to
ac
h
iev
e
co
n
s
ta
n
t
g
a
in
i
n
th
e
UW
B
b
an
d
[
2
0
-
2
2
]
.
I
n
[
2
3
]
,
FS
S
is
u
s
ed
to
r
ed
u
ce
R
ad
ar
C
r
o
s
s
Sectio
n
(
R
C
S)
o
f
m
icr
o
s
tr
ip
ar
r
a
y
an
ten
n
a.
I
n
f
ac
t,
t
h
e
p
r
o
p
o
s
ed
FS
S
ce
ll
is
w
ith
r
e
f
lecti
v
e
p
r
o
p
er
ty
o
v
er
th
e
lo
w
b
an
d
1
.
9
-
7
.
5
GHz
an
d
also
w
it
h
tr
a
n
s
m
iti
v
e
p
er
f
o
r
m
an
ce
at
1
1
.
0
5
GHz
.
I
t
is
s
i
m
u
lta
n
eo
u
s
l
y
ap
p
lied
to
r
ed
u
ce
th
e
o
u
t
-
of
-
b
an
d
R
C
S
an
d
p
r
eser
v
e
th
e
a
n
ten
n
a
ar
r
a
y
r
a
d
iatio
n
p
er
f
o
r
m
a
n
ce
.
I
n
[
2
4
,
2
5
]
,
co
n
ical
FS
S
r
ad
o
m
e
i
n
t
eg
r
ated
in
a
s
m
a
ll
d
is
tan
ce
o
f
a
m
o
n
o
p
o
le
an
ten
n
a
is
p
r
ese
n
ted
.
T
h
is
s
t
u
ct
u
r
e
s
h
o
w
s
a
n
ar
r
o
w
p
ass
-
b
an
d
r
es
p
o
n
s
e
w
h
ic
h
i
s
v
er
y
u
s
e
f
u
l
f
o
r
o
u
t
o
f
b
a
n
d
R
C
S
co
n
tr
o
l.
I
n
[
2
6
]
,
Ay
a
n
C
h
at
t
er
j
ee
p
r
o
p
o
s
ed
a
m
o
n
o
p
o
le
d
ielec
tr
ic
r
eso
n
ato
r
an
ten
n
a
w
it
h
a
c
y
li
n
d
r
ical
FS
S
f
o
r
r
ad
iatio
n
d
iv
er
s
i
t
y
ap
p
li
ca
tio
n
.
T
h
e
FS
S
i
s
r
ef
lec
tiv
e
a
t
5
GHz
a
n
d
w
h
e
n
it
is
p
lace
d
clo
s
e
to
t
h
e
m
o
n
o
p
o
le
i
m
p
r
o
v
e
t
h
e
a
n
te
n
n
a
b
a
n
d
w
id
th
f
r
o
m
2
6
.
8
%
to
5
3
.
6
7
%
in
4
-
6
GHz
.
I
n
ad
d
itio
n
,
in
[
2
7
]
,
th
e
b
asic
m
eta
m
ater
ial
cir
cu
lar
a
n
d
s
q
u
ar
e
r
in
g
s
ar
e
u
s
ed
to
ac
h
iev
e
a
s
to
p
b
an
d
r
esp
o
n
s
e
ch
ar
ac
ter
is
tic.
I
n
t
h
e
s
t
u
d
y
p
r
esen
ted
i
n
[
2
8
]
,
tw
o
co
m
p
ac
t
UW
B
f
r
eq
u
en
c
y
s
elec
ti
v
e
s
u
r
f
ac
e
r
ef
lecto
r
s
ar
e
p
r
o
p
o
s
ed
f
o
r
an
ten
n
a
g
ai
n
en
h
an
ce
m
e
n
t
ap
p
licatio
n
s
.
T
h
e
FS
S,
w
h
ic
h
is
a
1
0
×
1
0
ar
r
ay
w
it
h
8
.
25×
8
.
2
5
m
m
u
n
i
t
s
ize,
n
o
t
o
n
l
y
e
n
h
an
ce
s
th
e
g
ain
o
f
t
h
e
UW
B
a
n
ten
n
a,
b
u
t
also
g
u
ar
a
n
tees
a
co
n
s
tan
t
g
ai
n
w
it
h
o
n
l
y
0
.
5
d
B
i
v
ar
iat
io
n
ac
r
o
s
s
th
e
wh
o
le
o
p
er
atio
n
b
an
d
.
Fu
r
th
er
m
o
r
e,
an
8
×
8
ar
r
ay
o
f
I
-
s
h
ap
ed
FS
S
s
tr
u
ct
u
r
es
w
as
in
tr
o
d
u
ce
d
i
n
[
2
9
]
an
d
led
to
a
n
i
n
cr
ea
s
e
in
g
ain
o
f
t
h
e
m
o
n
o
p
o
le
s
lo
t
a
n
ten
n
a
r
ad
iatio
n
p
at
ter
n
to
b
e
u
s
ed
f
o
r
s
ev
er
al
w
ir
ele
s
s
an
d
X
-
b
an
d
ap
p
licatio
n
s
.
I
n
[
3
0
]
,
a
6
×
6
ar
r
ay
o
f
t
h
e
FS
S
ce
ll
w
a
s
in
te
g
r
ated
w
it
h
a
d
u
al
-
s
lo
t
a
n
ten
n
a
to
b
e
u
s
e
f
u
l
f
o
r
a
cir
cu
lar
p
o
lar
izatio
n
ap
p
licatio
n
o
v
er
t
h
e
4
.
5
–
8
.
0
GH
z
b
an
d
in
v
eh
icu
la
r
r
ad
ar
an
d
g
r
o
u
n
d
p
en
etr
atin
g
r
ad
ar
.
W
e
p
r
o
p
o
s
e
in
th
i
s
w
o
r
k
a
p
lan
ar
co
m
p
ac
t
f
ilter
-
an
te
n
n
a
m
o
d
u
le
f
o
r
w
ir
ele
s
s
UW
B
ap
p
licatio
n
s
.
T
h
is
f
ilter
i
s
tr
a
n
s
m
itt
iv
e
at
3
.
5
GHz
f
r
eq
u
en
c
y
.
I
t
is
f
ab
r
icate
d
w
ith
a
n
ar
r
a
y
o
f
FS
S
ce
ll
s
an
d
i
n
teg
r
ated
th
e
n
w
it
h
a
UW
B
ellip
tical
an
ten
n
a
at
a
clo
s
e
d
is
ta
n
ce
o
f
λ
0
/8
i
n
o
r
d
er
to
i
m
p
r
o
v
e
its
r
ad
iatio
n
ch
ar
ac
ter
is
tics
i
n
d
i
r
e
c
t
iv
ity
,
g
ain
,
an
d
b
an
d
w
i
d
th
.
Sim
u
l
a
ti
o
n
s
r
esu
l
ts
s
h
o
w
s
a
g
o
o
d
is
o
t
r
o
p
i
c
f
i
lt
e
r
in
g
r
es
p
o
n
s
e
o
f
th
e
p
r
o
p
o
s
e
d
s
t
r
u
c
tu
r
e
w
ith
th
e
v
a
r
ia
t
i
o
n
o
f
in
c
i
d
en
t
w
av
e
an
g
l
e
a
n
d
p
o
l
a
r
i
z
a
t
i
o
n
.
A
l
s
o
,
an
te
n
n
a
g
a
i
n
,
d
i
r
e
c
t
iv
i
ty
an
d
a
d
a
p
t
a
t
i
o
n
(
S
11
)
a
r
e
im
p
r
o
v
e
d
w
h
ic
h
i
s
v
e
r
y
s
u
i
t
a
b
l
e
f
o
r
U
W
B
w
i
r
el
es
s
a
p
p
li
c
a
ti
o
n
s
a
r
o
u
n
d
3
.
5
G
H
z
.
T
h
e
r
est
o
f
th
e
p
ap
er
is
o
r
g
an
is
ed
as
f
o
llo
w
s
:
T
h
e
p
r
o
p
o
s
ed
FS
S
u
n
it
ce
ll
d
esi
g
n
a
n
d
s
i
m
u
lat
io
n
s
is
d
escr
ib
ed
in
Sect
io
n
2
.
T
h
en
,
i
n
s
ec
tio
n
3
,
in
teg
r
ated
m
o
d
u
le
a
n
ten
n
a
-
f
ilter
d
esi
g
n
an
d
s
i
m
u
latio
n
s
ch
ar
ac
ter
is
tic
s
ar
e
d
etailed
an
d
also
d
is
cu
s
s
ed
.
Fi
n
el
y
co
n
cl
u
s
io
n
s
ar
e
s
u
m
m
ar
ized
in
t
h
e
l
ast s
ec
tio
n
.
2.
F
SS
UNI
T
E
L
E
M
E
NT
D
E
S
I
G
N
A
ND
SI
M
UL
A
T
I
O
NS
Dif
f
er
en
t
FS
S
ele
m
en
t
s
h
av
e
b
ee
n
s
t
u
d
ied
f
o
r
b
an
d
-
p
as
s
r
e
s
p
o
n
s
e
[
2
2
]
.
T
h
e
FS
S
u
n
it
ce
l
l
p
r
esen
ted
h
er
e
is
d
esi
g
n
ed
f
o
r
th
e
p
u
r
p
o
s
e
o
f
a
s
in
g
le
tr
an
s
m
is
s
io
n
at
3
.
5
GHz
.
T
h
e
u
n
it
ce
ll
el
e
m
en
t
g
eo
m
etr
y
i
s
a
D×
D
r
ec
tan
g
u
lar
m
etallic
p
atch
w
it
h
a
th
ick
n
es
s
o
f
t
an
d
a
s
q
u
ar
e
lo
o
p
s
lo
t
w
it
h
a
w
id
th
o
f
a
lo
ca
ted
at
a
d
is
tan
ce
o
f
S
f
r
o
m
t
h
e
ex
tr
e
m
it
y
o
f
t
h
e
ce
ll.
T
h
is
p
atch
is
g
lu
ed
to
th
e
p
ap
er
lo
w
-
co
s
t
FR
-
4
s
u
b
s
tr
ate
w
ith
r
elativ
e
p
er
m
it
tiv
i
t
y
o
f
4
.
3
,
d
i
elec
tr
ic
lo
s
s
ta
n
g
e
n
t
o
f
0
.
0
2
5
an
d
th
ic
k
n
ess
o
f
1
.
6
m
m
.
T
h
is
d
esig
n
is
ill
u
s
tr
ated
in
Fi
g
u
r
e
1
as
Fig
u
r
e
1
(
a)
s
h
o
w
s
t
h
e
f
r
o
n
t
s
id
e
v
ie
w
an
d
Fig
u
r
e
1
(
b
)
s
h
o
w
s
t
h
e
3
-
D
p
er
s
p
ec
tiv
e
v
ie
w
o
f
th
e
p
r
o
p
o
s
ed
FS
S
ce
ll
.
I
n
o
r
d
er
to
f
in
d
o
u
t
th
e
b
est
g
eo
m
etr
ical
d
i
m
en
s
io
n
p
ar
a
m
eter
s
v
al
u
e
s
at
3
.
5
GHz
o
p
er
atin
g
f
r
eq
u
en
c
y
,
t
h
e
u
n
i
t
ce
ll
is
d
es
ig
n
ed
an
d
s
i
m
u
la
t
ed
.
T
h
e
f
r
eq
u
en
c
y
r
an
g
e
f
o
r
th
is
o
p
ti
m
izatio
n
i
s
tak
en
f
r
o
m
1
to
5
GHz
.
Op
ti
m
ized
v
alu
e
s
f
o
r
d
if
f
er
en
t p
ar
a
m
eter
s
ar
e
s
h
o
w
n
i
n
T
ab
le
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.
T
ab
le
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Op
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g
eo
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etr
y
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ar
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eter
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v
al
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es o
f
th
e
p
r
o
p
o
s
ed
FS
S u
n
it c
ell
P
a
r
a
me
t
e
r
s
V
a
l
u
e
s (m
m)
P
e
r
i
o
d
i
c
i
t
y
:
D
1
5
mm
S
q
u
a
r
e
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o
o
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o
t
w
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d
t
h
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a
1
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1
mm
B
i
g
s
q
u
a
r
e
l
o
o
p
w
i
d
t
h
:
S
0
.
7
mm
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en
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o
f
t
h
e
w
av
e.
I
n
Fi
g
u
r
e
2
t
h
e
s
i
m
u
lated
tr
a
n
s
m
i
s
s
io
n
co
e
f
f
icie
n
t
f
o
r
T
E
an
d
T
M
m
o
d
es
ar
e
p
lo
ted
.
R
es
u
lts
p
r
o
v
e
t
h
at
th
e
FS
S
ce
ll
h
as
a
b
an
d
-
p
ass
b
an
d
f
ilter
b
eh
a
v
io
r
w
ith
a
1
.
6
5
GHz
b
an
d
w
id
th
at
3
.
5
GH
z
ce
n
ter
f
r
eq
u
e
n
c
y
.
S
-
p
ar
a
m
eter
v
al
u
es
(
S
11
,
S
21
)
i
n
T
E
an
d
T
M
m
o
d
es
ar
e
id
en
t
ical.
I
t
is
s
ee
n
t
h
at
t
h
e
ce
ll
f
i
lt
er
in
g
co
m
p
o
r
t
m
en
t
is
t
h
e
s
a
m
e
f
o
r
b
o
th
a
h
o
r
izo
n
tall
y
(
T
E
m
o
d
e)
an
d
v
er
ticall
y
(
T
M
m
o
d
e)
p
o
lar
ized
E
-
f
iel
d
.
So
,
th
e
F
SS
ce
l
l
h
as
an
i
s
o
tr
o
p
ic
r
esp
o
n
s
e
to
th
e
p
o
l
ar
izatio
n
m
o
d
e.
T
h
e
s
i
m
u
lated
S
-
p
ar
a
m
eter
co
ef
f
icien
t
(
S
21
)
o
f
th
is
p
r
o
p
o
s
ed
FS
S
at
d
i
f
f
er
e
n
t
i
n
cid
en
ce
a
n
g
les
a
n
d
also
d
if
f
er
en
t
p
o
lar
izatio
n
s
ar
e
s
h
o
w
n
in
Fi
g
u
r
e
3
.
I
t
is
n
o
ticed
t
h
at
t
h
e
FS
S
r
esp
o
n
s
e
w
i
th
t
h
e
v
ar
iatio
n
o
f
in
cid
e
n
t
a
n
g
le
w
a
v
e
i
s
o
p
p
o
s
it
e
f
o
r
T
E
m
o
d
e
in
Fi
g
u
r
e
3
(
a)
an
d
T
M
m
o
d
e
Fig
u
r
e
3
(
b
)
.
T
h
e
T
E
m
o
d
e
is
m
o
r
e
s
e
n
s
it
iv
e
to
t
h
e
v
ar
iatio
n
o
f
a
n
g
le
o
f
in
cid
en
ce
i
n
co
m
p
ar
i
s
o
n
w
i
th
th
e
T
M
m
o
d
e.
T
h
is
is
d
u
e
to
t
h
e
f
ac
t
th
a
t
th
e
s
u
r
f
ac
e
i
m
p
ed
an
ce
is
p
r
o
p
o
r
tio
n
al
to
th
e
an
g
le
o
f
in
cid
e
n
ce
in
th
e
T
M
m
o
d
e
w
h
er
ea
s
i
n
T
E
m
o
d
e,
it is
th
e
o
p
p
o
s
ite.
B
u
t it
m
a
y
b
e
o
b
s
er
v
ed
th
at,
th
e
tr
an
s
m
is
s
io
n
ze
r
o
(
S
21
)
d
o
es
n
o
t
s
ig
n
i
f
ica
n
tl
y
c
h
a
n
g
e
an
d
r
e
m
ain
s
lo
w
er
th
a
n
-
0
.
6
d
B
u
p
to
an
an
g
le
o
f
4
5
◦
f
o
r
th
e
t
w
o
p
o
lar
izatio
n
m
o
d
es.
So
,
i
n
d
ep
en
d
en
tl
y
o
f
m
o
d
es,
F
SS
ce
ll
w
a
v
e
r
e
f
l
ec
tio
n
p
er
f
o
r
m
a
n
ce
at
3
.
5
GHz
i
s
v
er
if
ied
a
n
d
i
t
ca
n
b
e
s
aid
t
h
at
FS
S
h
a
s
a
in
d
ep
en
d
en
t
p
er
f
o
r
m
a
n
ce
f
o
r
d
i
f
f
er
en
t
p
o
lar
izatio
n
s
an
d
in
cid
en
ce
a
n
g
les.
Fig
u
r
e
2
.
FSS
s
-
pa
r
a
m
eter
s
s
i
m
u
latio
n
f
o
r
T
E
m
o
d
e
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8708
I
n
t J
E
lec
&
C
o
m
p
E
n
g
,
Vo
l.
10
,
No
.
6
,
Decem
b
er
2020
:
5
8
6
1
-
5
8
7
0
5864
(
a)
(
b
)
Fig
u
r
e
3
.
FS
S u
n
it
ce
ll r
e
f
lecti
o
n
ch
ar
ac
ter
is
tic
s
a
t d
if
f
er
en
t
an
g
le
s
o
f
i
n
cid
en
ce
,
(
a)
T
E
m
o
d
e,
(
b
)
T
M
m
o
d
e
3.
I
NT
E
G
RA
T
E
D
D
E
S
I
G
N
O
F
ANTE
N
NA
AND
F
S
S F
I
L
T
E
R
3
.
1
.
2
D
pla
na
r
F
SS
a
rr
a
y
de
s
ig
n a
nd
s
i
m
ula
t
io
ns
As
a
d
ef
in
itio
n
,
F
SS
is
a
p
er
io
d
ic
ar
r
an
g
e
m
e
n
t
o
f
1
-
D
o
r
2
-
D
r
eso
n
an
t
s
tr
u
ct
u
r
es.
T
h
e
FS
S
ce
ll
s
tu
d
ied
ab
o
v
e
is
u
s
ed
to
co
n
s
tr
u
ct
a
p
lan
ar
la
y
er
o
f
3
×3
ar
r
ay
ele
m
en
ts
.
T
h
e
to
p
o
lo
g
y
o
f
t
h
e
p
r
o
p
o
s
ed
2
-
D
s
in
g
le
la
y
er
p
lan
ar
is
ill
u
s
tr
ated
in
Fig
u
r
e
4
.
T
h
e
b
eh
av
io
r
o
f
t
h
is
F
SS
is
v
er
if
ied
u
n
d
er
n
o
r
m
al
a
n
d
o
b
liq
u
e
i
n
cid
en
ce
f
o
r
T
E
an
d
T
M
m
o
d
es.
T
h
e
s
i
m
u
lated
tr
a
n
s
m
i
s
s
io
n
ch
ar
ac
ter
is
tics
ar
e
s
h
o
w
n
i
n
Fig
u
r
e
5
.
A
s
w
e
ca
n
s
ee
,
th
e
r
es
u
lt
s
v
er
i
f
y
t
h
at
p
la
n
ar
FS
S
s
tr
u
ct
u
r
e
g
i
v
es
id
en
tical
f
ilter
in
g
r
esp
o
n
s
e
i
n
b
o
th
T
E
an
d
T
M
m
o
d
es.
W
e
ca
n
d
r
a
w
t
h
e
co
n
cl
u
s
io
n
th
a
t
th
e
FS
S
la
y
er
h
a
s
an
ex
ce
ll
en
t
p
o
lar
izatio
n
s
tab
ilit
y
.
No
w
,
to
v
alid
ate
t
h
e
b
an
d
-
p
as
s
ch
ar
ac
ter
is
tics
o
f
th
e
p
r
o
p
o
s
ed
2
-
D
la
y
er
,
p
er
f
o
r
m
an
ce
s
u
n
d
er
o
b
liq
u
e
in
cid
e
n
ce
ar
e
also
p
r
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ted
in
Fi
g
u
r
e
6
.
A
s
ca
n
b
e
s
ee
n
s
h
o
w
i
n
t
h
e
s
e
f
ig
u
r
es,
w
h
e
n
t
h
e
i
n
cid
en
t
an
g
le
in
cr
ea
s
e
s
to
4
5
°
,
th
e
S
21
v
al
u
e
i
n
T
E
m
o
d
e
an
d
T
M
m
o
d
e
at
3
.
5
GHz
r
eso
n
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t
f
r
eq
u
en
c
y
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s
til
l
b
elo
w
to
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1
d
B
.
Su
b
s
eq
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en
tl
y
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t
h
e
p
r
o
p
o
s
ed
s
tr
u
ctu
r
e
h
a
s
an
e
f
f
icie
n
t
r
eso
n
an
ce
s
tab
ili
t
y
f
o
r
o
b
liq
u
e
in
cid
e
n
t
a
n
g
les
at
d
i
f
f
er
en
t
p
o
lar
izatio
n
s
.
So
,
r
es
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lt
s
ar
e
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g
o
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ag
r
ee
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en
t
w
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h
t
h
e
b
an
d
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p
as
s
f
ilter
b
eh
a
v
io
r
o
f
th
e
u
n
i
t c
ell.
Fig
u
r
e
4
.
T
o
p
o
lo
g
y
o
f
2
-
D
p
lan
ar
FS
S o
f
3
×
3
u
n
it c
ells
Fig
u
r
e
5
.
T
r
an
s
m
i
s
s
io
n
an
d
r
e
f
le
x
io
n
co
ef
f
icie
n
t
v
ar
iatio
n
s
o
f
2
-
D
p
la
n
ar
FS
S
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J
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lec
&
C
o
m
p
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I
SS
N:
2088
-
8708
R
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meta
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teri
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Ma
r
w
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a)
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b
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u
r
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6
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R
ef
lect
io
n
co
ef
f
icie
n
t
v
er
s
u
s
f
r
eq
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en
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y
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o
r
d
if
f
er
e
n
t in
cid
en
t a
n
g
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(
a)
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m
o
d
e,
(
b
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M
m
o
d
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3
.
2
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Ant
enna
ele
m
ent
des
ig
n
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i
m
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A
p
r
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ted
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tical
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atch
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n
t
en
n
a
i
s
p
r
o
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in
th
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ap
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r
ef
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ten
n
a
w
h
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h
ex
h
ib
it
s
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o
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d
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er
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o
r
m
a
n
ce
s
t
h
r
o
u
g
h
th
e
UW
B
f
r
eq
u
e
n
c
y
r
a
n
g
e
(
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GHz
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1
0
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6
GHz
)
.
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h
e
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asic
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ac
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elativ
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ap
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en
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h
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e
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ig
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eter
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lcu
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ti
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ized
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o
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tain
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co
m
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en
t
i
n
UW
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d
esp
ec
iall
y
at
3
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atin
g
f
r
eq
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y
[
3
1
]
.
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h
ey
ar
e
lis
ted
in
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ab
le
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T
ab
le
2
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ar
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m
eter
s
o
f
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tical
a
n
ten
n
a
(
m
m
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P
a
t
c
h
l
a
y
e
r
G
r
o
u
n
d
L
a
y
e
r
S
u
b
s
t
r
a
t
e
L
a
y
e
r
a
:
1
4
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mm
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g
=
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9
mm
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s
=
4
5
mm
b
:
1
0
mm
W
g
=
4
5
mm
W
s
=
4
5
mm
p
:
0
.
4
mm
Fig
u
r
e
7
.
Geo
m
e
tr
y
o
f
ell
ip
tic
al
UW
B
an
ten
n
a
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8708
I
n
t J
E
lec
&
C
o
m
p
E
n
g
,
Vo
l.
10
,
No
.
6
,
Decem
b
er
2020
:
5
8
6
1
-
5
8
7
0
5866
An
te
n
n
a
r
e
f
lectio
n
co
ef
f
icie
n
t
(
S
11
)
s
i
m
u
latio
n
s
r
es
u
lts
c
u
r
v
es
ag
ai
n
s
t
u
s
in
g
t
h
e
o
p
ti
m
ized
p
ar
am
ete
r
v
alu
e
s
i
n
v
o
lv
ed
i
n
T
ab
le
2
ar
e
p
r
esen
ted
i
n
Fi
g
u
r
e
8
.
I
t
ca
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[1
]
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.
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W
.
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“
In
f
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0
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n
o
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3
,
p
p
.
2
9
6
-
3
0
3
,
2
0
0
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.
[2
]
A
.
M
o
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m
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d
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n
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L
.
S
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a
fa
i,
“
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o
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e
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lt
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s: No
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n
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An
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n
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s a
n
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p
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g
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t
io
n
.
In
tec
h
O
p
e
n
,
2
0
1
1
.
[3
]
S
.
M
.
A
li
,
V
.
Je
o
ti
,
T
.
S
a
e
id
i,
a
n
d
W
.
P
.
W
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n
,
“
De
sig
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o
f
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o
m
p
a
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m
icro
strip
p
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tch
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n
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Hz
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si
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n
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o
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ter
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e
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3
,
p
p
.
1
1
9
7
-
1
2
0
2
,
2
0
1
9
.
[4
]
M.
A
li
b
a
k
h
sh
i
k
e
n
a
ri,
e
t
a
l.
,
“
S
u
rf
a
c
e
w
a
v
e
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d
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ti
o
n
i
n
a
n
ten
n
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a
rra
y
s
u
sin
g
m
e
ta
su
rf
a
c
e
in
c
lu
sio
n
f
o
r
M
IM
O
a
n
d
S
A
R
s
y
ste
m
s,
”
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d
io
S
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ien
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e
,
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l.
5
4
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n
o
.
1
1
,
p
p
.
1
0
6
7
-
1
0
7
5
,
2
0
1
9
.
[5
]
M
.
A
li
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a
k
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i
k
e
n
a
ri,
e
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l.
,
“
In
tera
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n
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k
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le
m
e
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ts
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sin
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ta
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su
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O
sy
ste
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y
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ti
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S
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p
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1
3
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8
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3
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2
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1
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.
[6
]
M
.
A
li
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a
k
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k
e
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ri,
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t
a
l.
,
“
Iso
latio
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n
h
a
n
c
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m
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o
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d
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se
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ic M
T
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-
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o
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S
A
R
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M
IM
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ste
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s,
”
IET
M
icr
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wa
v
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s,
An
ten
n
a
s
&
Pro
p
a
g
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ti
o
n
,
v
o
l.
1
4
,
n
o
.
3
,
p
p
.
1
8
3
-
1
8
8
,
2
0
1
9
.
[7
]
M
.
A
li
b
a
k
h
sh
i
k
e
n
a
ri,
e
t
a
l.
,
“
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a
l
-
b
a
n
d
RF
ID
tag
a
n
ten
n
a
b
a
se
d
o
n
th
e
Hil
b
e
rt
-
c
u
rv
e
f
ra
c
tal
f
o
r
HF
a
n
d
UH
F
a
p
p
li
c
a
ti
o
n
s,
”
IET
Circ
u
it
s,
De
v
ice
s
&
S
y
ste
ms
,
v
o
l.
1
0
,
n
o
.
2
,
p
p
.
1
4
0
-
1
4
6
,
2
0
1
6
.
[8
]
M
.
A
li
b
a
k
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sh
iKe
n
a
ri,
e
t
a
l.
,
“
N
e
w
CR
L
H
-
Ba
s
e
d
P
lan
a
r
S
lo
t
ted
A
n
ten
n
a
s
w
it
h
He
li
c
a
l
In
d
u
c
to
rs
f
o
r
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e
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s
Co
m
m
u
n
ica
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n
S
y
ste
m
s,
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-
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it
s
a
n
d
M
icro
w
a
v
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D
e
v
i
c
e
s
a
t
UHF
–
S
HF
Ba
n
d
s,
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ire
les
s
Per
so
n
a
l
Co
m
mu
n
ica
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o
n
s
,
v
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l
.
9
2
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o
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3
,
p
p
.
1
0
2
9
-
1
0
3
8
,
2
0
1
7
.
[9
]
M
.
A
li
b
a
k
h
sh
i
k
e
n
a
ri,
e
t
a
l.
,
“
Hig
h
-
G
a
in
M
e
tas
u
r
f
a
c
e
in
p
o
ly
i
m
i
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n
-
c
h
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p
A
n
ten
n
a
Ba
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d
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n
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L
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-
T
L
f
o
r
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u
b
-
tera
h
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rtz i
n
teg
ra
ted
c
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it
s,
”
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c
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n
ti
fi
c
Rep
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rts
,
v
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l
.
1
0
,
n
o
.
1
,
p
p
.
4
2
9
8
-
4
3
0
6
,
2
0
2
0
.
[1
0
]
M.
A
li
b
a
k
h
sh
i
k
e
n
a
ri,
e
t
a
l.
,
“
M
in
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rise
d
p
lan
a
r
-
p
a
tch
a
n
te
n
n
a
b
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se
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ta
m
a
teria
l
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sh
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p
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n
i
t
-
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e
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s
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o
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ro
a
d
b
a
n
d
p
o
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b
le
m
icro
w
a
v
e
d
e
v
ice
s
a
n
d
m
u
lt
ib
a
n
d
w
irele
ss
c
o
m
m
u
n
ica
ti
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n
sy
ste
m
s,
”
IE
T
M
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o
wa
v
e
s,
An
ten
n
a
s &
Pro
p
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g
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ti
o
n
,
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l
.
1
2
,
n
o
.
7
,
p
p
.
1
0
8
0
-
1
0
8
6
,
2
0
1
8
.
[1
1
]
M
.
A
li
b
a
k
h
sh
i
k
e
n
a
ri,
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t
a
l.
,
“
A
rra
y
A
n
ten
n
a
f
o
r
S
y
n
th
e
ti
c
A
p
e
rtu
re
Ra
d
a
r
Op
e
ra
ti
n
g
in
X
a
n
d
Ku
-
Ba
n
d
s:
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S
tu
d
y
to
E
n
h
a
n
c
e
Iso
lati
o
n
Be
tw
e
e
n
Ra
d
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n
El
e
m
e
n
ts,
”
1
2
th
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ro
p
e
a
n
C
o
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fer
e
n
c
e
o
n
S
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ti
c
Ap
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rtu
re
Ra
d
a
r
(
EUS
AR
)
,
p
p
.
1
-
5
,
2
0
1
8
.
[1
2
]
M
.
A
li
b
a
k
h
sh
i
k
e
n
a
ri,
e
t
a
l.
,
“
A
n
e
w
w
a
v
e
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u
id
e
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a
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y
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n
ten
n
a
w
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h
ig
h
iso
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n
a
n
d
h
ig
h
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n
n
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b
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n
d
w
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th
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r
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n
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(
Eu
RA
D)
,
p
p
.
4
0
1
-
4
0
4
,
2
0
1
8
.
[1
3
]
M
.
A
li
b
a
k
h
sh
i
k
e
n
a
ri,
e
t
a
l.
,
“
Ba
n
d
w
id
th
e
x
ten
sio
n
o
f
p
lan
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r
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n
ten
n
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s
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sin
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m
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Evaluation Warning : The document was created with Spire.PDF for Python.
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10
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6
,
Decem
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2020
:
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8
6
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5870
[1
5
]
M
.
A
li
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k
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sh
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k
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t
a
l
.
,
“
Co
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ta
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.
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[1
6
]
K.
S
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ra
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N.
Be
h
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d
,
“
A
f
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rfa
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w
it
h
m
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e
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e
n
ts,
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E
T
ra
n
sa
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ti
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n
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ten
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d
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p
.
1
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5
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0
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.
[1
7
]
F.
Ba
y
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tp
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r
a
n
d
K.
S
a
ra
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a
n
d
i,
“
M
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l
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ters
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sin
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m
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[1
8
]
M
.
A
li
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a
k
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ri,
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t
a
l.
,
“
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n
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ted
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u
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s
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m
s,
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M
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[1
9
]
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.
A
li
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k
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t
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,
“
A
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ter
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0
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I.
A
c
h
a
r
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a
n
d
R.
Ra
m
e
sh
,
“
F
SS
re
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ter
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ig
n
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g
(
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p
p
.
0
3
8
8
–
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3
9
1
,
2
0
1
5
.
[2
1
]
R.
Ya
h
y
a
,
e
t
a
l.
,
“
De
sig
n
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f
c
o
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sta
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ss
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,
p
p
.
2
7
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,
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0
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6
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[2
2
]
A
.
A
.
De
w
a
n
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e
t
a
l.
,
“
T
ra
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sm
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sio
n
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(
IS
AP
)
,
p
p
.
1
-
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.
[2
3
]
J.
X
u
e
,
e
t
a
l.
,
“
W
id
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n
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icro
strip
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b
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ter
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ti
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l
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s a
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d
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0
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7
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p
.
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-
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0
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.
[2
4
]
B.
L
in
,
e
t
a
l.
,
“
De
sig
n
a
n
d
sim
u
latio
n
o
f
f
re
q
u
e
n
c
y
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lec
ti
v
e
r
a
d
o
m
e
to
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th
e
r
w
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h
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m
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le
a
n
t
e
n
n
a
,
”
Ap
p
li
e
d
Co
mp
u
t
a
ti
o
n
a
l
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lec
tro
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g
n
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ti
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s
S
o
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iety
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o
u
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n
a
l
,
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l.
2
5
,
n
o
.
7
,
p
p
.
6
2
0
-
6
2
5
,
2
0
1
0
.
[2
5
]
H.
Zh
o
u
,
e
t
a
l.
,
“
F
il
ter
-
a
n
ten
n
a
c
o
n
sisti
n
g
o
f
c
o
n
ica
l
f
ss
ra
d
o
m
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a
n
d
m
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le
a
n
ten
n
a
,
”
IEE
E
T
r
a
n
s
-
a
c
ti
o
n
s
o
n
An
ten
n
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s
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d
Pro
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g
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n
,
v
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l
.
6
0
,
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o
.
6
,
p
p
.
3
0
4
0
-
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0
4
5
,
2
0
1
2
.
[2
6
]
A
.
Ch
a
tt
e
rjee
a
n
d
S
.
K.
P
a
r
u
i,
“
F
re
q
u
e
n
c
y
d
e
p
e
n
d
e
n
t
d
irec
ti
v
e
ra
d
iatio
n
o
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m
o
n
o
p
o
le
d
iele
c
tri
c
re
so
n
a
to
r
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n
ten
n
a
u
sin
g
a
c
o
n
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o
rm
a
l
f
re
q
u
e
n
c
y
se
le
c
ti
v
e
su
rfa
c
e
,
”
IEE
E
T
ra
n
sa
c
ti
o
n
s
o
n
A
n
ten
n
a
s
a
n
d
Pro
p
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g
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t
io
n
,
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l.
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5
,
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o
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5
,
p
p
.
2
2
3
3
-
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2
3
9
,
2
0
1
7
.
[2
7
]
R.
Ya
h
y
a
,
e
t
a
l.
,
“
A
n
o
v
e
l
U
W
B
F
S
S
-
b
a
se
d
p
o
lariz
a
ti
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n
d
iv
e
rsit
y
a
n
ten
n
a
,
”
IEE
E
An
ten
n
a
s
a
n
d
W
ire
les
s
Pro
p
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g
a
ti
o
n
L
e
tt
e
rs
,
v
o
l
.
1
6
,
p
p
.
2
5
2
5
-
2
5
2
8
,
2
0
1
7
.
[2
8
]
Y.
Yu
a
n
,
e
t
a
l.
,
“
C
o
m
p
a
c
t
U
WB
F
S
S
re
f
lec
to
r
f
o
r
a
n
ten
n
a
g
a
in
e
n
h
a
n
c
e
m
e
n
t,
”
IET
M
icr
o
wa
v
e
s,
An
ten
n
a
s
&
Pro
p
a
g
a
ti
o
n
,
v
o
l
.
1
3
,
n
o
.
1
0
,
p
p
.
1
7
4
9
-
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7
5
5
,
2
0
1
9
.
[2
9
]
S
.
Ku
n
d
u
,
e
t
a
l.
,
“
A
c
o
m
p
a
c
t
u
m
b
re
ll
a
sh
a
p
e
d
u
w
b
a
n
ten
n
a
w
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th
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a
in
a
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m
e
n
tatio
n
u
si
n
g
f
re
q
u
e
n
c
y
s
e
lec
ti
v
e
su
rf
a
c
e
,
”
Ra
d
i
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n
g
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n
e
e
rin
g
,
v
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l.
2
7
,
n
o
.
2
,
p
p
.
4
4
8
-
4
5
4
,
2
0
1
8
.
[3
0
]
K.
Din
g
,
e
t
a
l.
,
“
W
id
e
b
a
n
d
c
p
sl
o
t
a
n
ten
n
a
w
it
h
b
a
c
k
e
d
f
s
s
re
f
lec
to
r,
”
IET
M
icr
o
wa
v
e
s,
An
ten
n
a
s
&
Pro
p
a
g
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ti
o
n
,
v
o
l.
1
1
,
n
o
.
7
,
p
p
.
1
0
4
5
-
1
0
5
0
,
2
0
1
7
.
[3
1
]
A
.
P
in
g
a
le,
e
t
a
l.
,
“
D
e
sig
n
o
f
e
ll
i
p
ti
c
a
l
m
icro
strip
a
n
ten
n
a
f
o
r
u
lt
ra
w
id
e
b
a
n
d
a
p
p
li
c
a
ti
o
n
s,
”
In
ter
n
a
ti
o
n
a
l
J
o
u
rn
a
l
o
f
E
n
g
i
n
e
e
rin
g
a
n
d
T
e
c
h
n
ica
l
Res
e
a
rc
h
(
IJ
ET
R)
,
v
o
l.
3
,
n
o
.
3
,
p
p
.
2
7
6
-
2
7
9
,
2
0
1
5
.
[3
2
]
M
.
Bo
u
sla
m
a
,
e
t
a
l.
,
“
Hi
g
h
g
a
in
P
a
tch
A
n
ten
n
a
u
sin
g
a
F
re
q
u
e
n
c
y
S
e
lec
ti
v
e
S
u
rf
a
c
e
(F
S
S
)
,
”
In
ter
n
a
ti
o
n
a
l
J
o
u
r
n
a
l
o
f
Co
mm
u
n
ica
ti
o
n
s
,
v
o
l.
8
,
p
p
.
1
6
-
2
0
,
2
0
1
4
.
B
I
O
G
RAP
H
I
E
S
O
F
AUTH
O
RS
M
a
r
w
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Da
g
h
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r
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w
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s
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rn
in
T
u
n
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i
n
1
9
8
9
.
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h
e
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u
rre
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tl
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p
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tere
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s a
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d
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so
rs.
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