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5215
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I
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O
N
T
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“
f
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[
1
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–
[
3
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As
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ity
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co
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m
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s
[
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–
[
1
3
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.
Desig
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[
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ates
[
1
5
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p
ar
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[
1
6
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[
1
7
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,
an
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m
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[
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.
Me
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s
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ally
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[
2
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lik
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ah
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Hz)
an
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[
2
1
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.
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I
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,
Vo
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15
,
No
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6
,
Decem
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r
20
25
:
5
2
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5
-
5
2
2
2
5216
T
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io
n
s
V
a
r
i
a
b
l
e
V
a
l
u
e
(
µ
m)
V
a
r
i
a
b
l
e
V
a
l
u
e
(
µ
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W
S
69
g
15
L
S
54
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4
.
8
L
pa
34
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15
W
pa
52
S
1
30
hs
2
S
2
10
S
3
38
2
.
3
.
T
he
m
et
a
ma
t
er
ia
ls
des
ig
n
T
h
e
d
esig
n
e
d
m
etam
ater
ial
(
MT
M)
s
tr
u
ctu
r
e
co
n
s
is
ts
o
f
a
3
×3
ar
r
ay
o
f
u
n
it
ce
lls
,
o
cc
u
p
y
in
g
a
to
tal
ar
ea
o
f
W
M
×L
M
,
an
d
im
p
le
m
e
n
ted
o
n
a
n
FR
4
s
u
b
s
tr
ate
with
a
th
ic
k
n
ess
o
f
2
μ
m
.
E
ac
h
u
n
it
ce
ll
is
co
m
p
o
s
ed
o
f
a
s
p
lit
-
r
in
g
r
eso
n
ato
r
(
SR
R
)
,
f
o
r
m
e
d
b
y
two
c
o
n
ce
n
tr
i
c
m
etallic
r
in
g
s
with
a
d
ef
in
ed
g
ap
C
o
f
2
μ
m
,
en
ab
lin
g
r
eso
n
an
ce
at
T
Hz
f
r
eq
u
en
cies.
T
h
e
g
eo
m
etr
ic
co
n
f
ig
u
r
atio
n
an
d
to
p
o
l
o
g
y
o
f
th
e
SR
R
elem
en
ts
ar
e
d
ep
icted
in
Fig
u
r
e
2
.
T
h
e
d
e
tailed
d
im
en
s
io
n
al
s
p
ec
if
icatio
n
s
,
in
clu
d
in
g
b
o
t
h
th
e
o
v
er
a
ll
MT
M
ar
r
a
y
an
d
in
d
iv
id
u
al
SR
R
u
n
it
ce
ll
p
ar
a
m
eter
s
,
ar
e
p
r
o
v
id
ed
in
T
a
b
le
2
.
T
h
e
m
etam
ater
ial
lay
er
is
s
tr
ateg
ically
p
lace
d
at
a
v
er
tical
d
is
tan
ce
o
f
2
0
μ
m
b
en
ea
th
th
e
r
ad
iatin
g
an
te
n
n
a
s
tr
u
ctu
r
e
to
m
ax
im
ize
elec
tr
o
m
ag
n
etic
c
o
u
p
lin
g
an
d
en
h
an
ce
r
ad
iatio
n
p
er
f
o
r
m
an
ce
.
T
h
e
MT
M
lay
e
r
is
as
s
u
m
ed
to
b
e
s
u
p
p
o
r
te
d
b
y
a
t
h
in
d
ielec
tr
ic
la
y
er
,
en
s
u
r
in
g
s
tr
u
ctu
r
al
f
ea
s
ib
ilit
y
an
d
m
ain
tain
in
g
co
n
s
is
ten
t
elec
tr
o
m
ag
n
etic
co
u
p
lin
g
.
T
h
e
s
im
u
latio
n
s
etu
p
av
o
id
s
s
u
s
p
en
s
io
n
in
air
an
d
c
o
n
s
id
er
s
a
r
ea
lis
tic
in
teg
r
atio
n
s
ce
n
ar
io
.
T
h
e
MT
M
lay
er
is
p
o
s
itio
n
ed
at
a
v
er
tical
o
f
f
s
et
o
f
2
0
μ
m
b
en
ea
th
th
e
r
ad
iatin
g
p
atch
.
T
h
is
s
p
atial
co
n
f
ig
u
r
atio
n
p
lay
s
a
cr
u
ci
al
r
o
le
i
n
en
h
an
cin
g
th
e
a
n
ten
n
a’
s
o
v
er
all
elec
tr
o
m
ag
n
etic
p
er
f
o
r
m
a
n
ce
,
p
ar
ticu
lar
ly
b
y
im
p
r
o
v
in
g
im
p
ed
an
ce
m
atc
h
in
g
a
n
d
r
a
d
iatio
n
ef
f
icien
c
y
.
T
h
e
in
ten
tio
n
a
l
p
lace
m
en
t
o
f
t
h
e
MT
M
co
n
tr
ib
u
tes
to
th
e
s
u
p
p
r
ess
io
n
o
f
r
ef
lecte
d
wav
es
an
d
m
itig
ates
u
n
d
esire
d
b
ac
k
r
ad
iatio
n
,
r
esu
ltin
g
in
im
p
r
o
v
e
d
f
o
r
wa
r
d
en
er
g
y
tr
a
n
s
m
is
s
io
n
an
d
r
ed
u
ce
d
p
o
we
r
lo
s
s
es.
T
h
e
r
elativ
e
p
o
s
itio
n
in
g
o
f
t
h
e
MT
M
s
tr
u
ctu
r
e
with
r
esp
ec
t to
th
e
a
n
ten
n
a
is
illu
s
tr
ated
in
Fig
u
r
e
s
3
(
a)
a
n
d
3
(
b
)
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8
7
0
8
I
n
t J E
lec
&
C
o
m
p
E
n
g
,
Vo
l.
15
,
No
.
6
,
Decem
b
e
r
20
25
:
5
2
1
5
-
5
2
2
2
5218
Fig
u
r
e
2
.
Desig
n
m
et
h
o
d
o
lo
g
y
o
f
th
e
p
r
o
p
o
s
ed
m
etam
ater
ial
lay
o
u
t a
n
d
u
n
it c
ell
g
e
o
m
etr
y
T
ab
le
2
.
MT
M
d
i
m
en
s
io
n
s
V
a
r
i
a
b
l
e
V
a
l
u
e
(
µ
m)
V
a
r
i
a
b
l
e
V
a
l
u
e
(
µ
m)
W
M
79
R2
6
L
M
66
C
2
R1
10
(
a)
(
b
)
Fig
u
r
e
3
.
T
h
e
p
r
o
p
o
s
ed
MT
M
b
ased
an
ten
n
a
a
r
ch
itectu
r
e
(
a)
to
p
v
iew
an
d
(
b
)
s
id
e
v
iew
3.
RE
SU
L
T
S AN
D
D
I
SCU
SS
I
O
N
3
.
1
.
Ref
lect
io
n c
o
ef
f
icient
a
nd
VSWR
F
i
g
u
r
e
4
i
l
l
u
s
t
r
a
te
s
t
h
e
r
e
f
l
e
c
ti
o
n
c
o
e
f
f
i
c
i
e
n
t
(
S
1
1
)
a
n
d
v
o
l
ta
g
e
s
t
a
n
d
i
n
g
w
a
v
e
r
at
i
o
(
VSW
R
)
o
f
t
h
e
p
r
o
p
o
s
e
d
a
n
t
e
n
n
a
,
b
o
t
h
w
i
t
h
a
n
d
w
i
t
h
o
u
t
t
h
e
M
T
M
.
T
h
e
i
n
c
l
u
s
i
o
n
o
f
t
h
e
M
T
M
r
es
u
l
t
s
i
n
a
s
u
b
s
ta
n
t
i
al
i
m
p
r
o
v
e
m
e
n
t
i
n
a
n
t
e
n
n
a
p
e
r
f
o
r
m
a
n
c
e
,
a
s
e
v
i
d
e
n
c
e
d
b
y
a
s
i
g
n
if
i
c
a
n
t
r
e
d
u
c
t
i
o
n
i
n
S
1
1
f
r
o
m
-
2
5
.
0
1
t
o
-
6
3
.
1
0
d
B
.
T
h
is
in
d
icate
s
m
u
c
h
b
etter
i
m
p
ed
an
ce
m
atch
in
g
an
d
a
co
n
s
id
er
ab
le
d
ec
r
ea
s
e
in
t
h
e
r
e
f
lectio
n
o
f
in
cid
e
n
t
elec
tr
o
m
ag
n
etic
wav
es,
wh
ich
en
h
an
ce
s
th
e
e
f
f
icien
cy
o
f
th
e
an
ten
n
a.
Fig
u
r
e
4
.
R
ef
lectio
n
c
o
ef
f
icien
t a
n
d
VSW
R
o
f
th
e
p
r
o
p
o
s
ed
a
n
ten
n
a
with
an
d
with
o
u
t M
T
M
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J E
lec
&
C
o
m
p
E
n
g
I
SS
N:
2088
-
8
7
0
8
H
-
s
h
a
p
ed
tera
h
ertz
p
a
tch
a
n
t
en
n
a
w
ith
meta
ma
teri
a
ls
fo
r
…
(
K
a
o
u
ta
r
S
a
id
i
A
la
o
u
i
)
5219
I
n
ad
d
itio
n
to
th
e
im
p
r
o
v
e
m
e
n
t
in
S1
1
,
th
e
VSW
R
is
al
s
o
s
ig
n
if
ican
tly
en
h
an
ce
d
,
d
r
o
p
p
in
g
f
r
o
m
1
.
1
1
8
to
1
.
0
0
1
.
T
h
is
n
ea
r
-
id
ea
l
VSW
R
v
alu
e
d
em
o
n
s
tr
at
es
alm
o
s
t
p
er
f
ec
t
im
p
ed
a
n
ce
m
atch
in
g
,
wh
ich
m
in
im
izes
en
er
g
y
lo
s
s
an
d
e
n
s
u
r
es
ef
f
icien
t
tr
an
s
m
is
s
io
n
o
f
elec
tr
o
m
ag
n
etic
en
er
g
y
th
r
o
u
g
h
th
e
an
ten
n
a.
T
h
ese
im
p
r
o
v
e
m
en
ts
h
ig
h
lig
h
t
th
e
cr
itical
r
o
le
o
f
th
e
MT
M
i
n
o
p
tim
izin
g
th
e
an
ten
n
a'
s
o
v
er
all
p
er
f
o
r
m
an
ce
.
3
.
2
.
G
a
in
T
h
e
r
ad
iatio
n
p
atter
n
o
f
an
a
n
ten
n
a
is
a
k
ey
in
d
icato
r
o
f
h
o
w
ef
f
icien
tly
elec
tr
o
m
ag
n
eti
c
en
er
g
y
is
r
ad
iated
in
to
s
p
ac
e.
Fig
u
r
es
5
(
a)
an
d
5
(
b
)
illu
s
tr
ate
th
e
2
D
r
ad
iatio
n
p
atter
n
s
with
o
u
t
an
d
with
th
e
MT
M,
wh
ile
Fig
u
r
es
5
(
c)
a
n
d
5
(
d
)
p
r
esen
t
th
e
c
o
r
r
esp
o
n
d
in
g
3
D
r
ep
r
esen
tatio
n
s
.
A
clea
r
im
p
r
o
v
em
en
t
in
g
ain
is
o
b
s
er
v
ed
with
th
e
in
te
g
r
atio
n
o
f
th
e
MT
M,
in
cr
ea
s
in
g
f
r
o
m
2
.
6
2
to
3
.
8
6
d
B
.
T
h
is
c
o
n
f
ir
m
s
th
e
MT
M’
s
ef
f
ec
tiv
en
ess
in
en
h
a
n
cin
g
th
e
an
ten
n
a'
s
p
er
f
o
r
m
an
ce
.
B
y
in
tr
o
d
u
cin
g
th
e
MT
M
s
tr
u
ctu
r
e,
th
e
r
ad
iatio
n
p
atter
n
b
ec
o
m
es
m
o
r
e
f
o
cu
s
e
d
,
with
r
ed
u
ce
d
s
id
e
l
o
b
es
an
d
a
s
tr
o
n
g
er
m
ain
lo
b
e,
im
p
r
o
v
in
g
d
ir
ec
tio
n
ality
an
d
o
v
er
all
r
ad
iatio
n
ef
f
icien
c
y
.
Placed
b
en
ea
th
th
e
s
u
b
s
tr
ate,
th
e
MT
M
m
o
d
if
ies
th
e
n
ea
r
-
f
ield
d
is
tr
ib
u
tio
n
b
y
co
n
s
tr
u
ctiv
ely
r
ed
ir
ec
tin
g
s
u
r
f
ac
e
c
u
r
r
en
ts
to
wa
r
d
t
h
e
b
r
o
a
d
s
id
e
d
ir
ec
tio
n
.
T
h
is
n
o
t
o
n
ly
co
n
f
i
n
es
th
e
r
ad
iated
en
er
g
y
m
o
r
e
e
f
f
ec
tiv
ely
b
u
t
also
m
i
n
im
izes
u
n
d
esi
r
ed
r
ad
iatio
n
.
Ad
d
itio
n
ally
,
th
e
MT
M
co
n
tr
ib
u
tes
to
p
o
lar
izatio
n
s
tab
ilit
y
b
y
alig
n
in
g
th
e
d
o
m
in
a
n
t c
u
r
r
en
t p
at
h
s
alo
n
g
th
e
f
ee
d
a
x
is
.
(
a)
(
b
)
(
c)
(
d
)
Fig
u
r
e
5
.
Gain
o
f
th
e
p
r
o
p
o
s
ed
an
ten
n
a
(
a
)
2
D
with
MT
M,
(
b
)
2
D
with
o
u
t M
T
M,
(
c)
3
D
wi
th
MT
M,
an
d
(
d
)
3
D
with
o
u
t M
T
M
3
.
3
.
Dire
ct
iv
i
t
y
Fig
u
r
e
6
p
r
esen
ts
th
e
s
im
u
late
d
d
ir
ec
tiv
ity
p
atter
n
s
o
f
th
e
p
r
o
p
o
s
ed
an
ten
n
a
in
two
co
n
f
i
g
u
r
atio
n
s
:
Fig
u
r
e
6
(
a)
with
th
e
in
teg
r
ated
MT
M
lay
er
an
d
Fig
u
r
e
6
(
b
)
with
o
u
t
it.
T
h
e
in
co
r
p
o
r
atio
n
o
f
th
e
MT
M
r
esu
lts
in
a
s
u
b
s
tan
tial
en
h
a
n
ce
m
en
t
i
n
d
ir
ec
tiv
ity
,
in
cr
ea
s
in
g
f
r
o
m
3
.
5
7
t
o
4
.
9
7
d
B
co
r
r
esp
o
n
d
in
g
to
an
ap
p
r
o
x
im
ate
im
p
r
o
v
em
e
n
t
o
f
3
9
.
2
1
%.
T
h
is
co
n
s
id
er
ab
le
g
ain
h
i
g
h
lig
h
ts
th
e
MT
M'
s
ef
f
ec
tiv
en
ess
in
im
p
r
o
v
in
g
th
e
an
ten
n
a’
s
d
ir
ec
tio
n
al
r
ad
iatio
n
ch
ar
ac
ter
is
tics
b
y
co
n
ce
n
tr
atin
g
th
e
r
ad
iated
en
er
g
y
m
o
r
e
e
f
f
icien
tly
alo
n
g
th
e
m
ain
b
ea
m
ax
is
.
B
y
ac
tin
g
as
a
r
ef
lecto
r
,
th
e
MT
M
h
elp
s
to
r
ed
u
ce
u
n
d
esire
d
r
ad
iatio
n
i
n
o
th
er
d
ir
ec
tio
n
s
,
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8
7
0
8
I
n
t J E
lec
&
C
o
m
p
E
n
g
,
Vo
l.
15
,
No
.
6
,
Decem
b
e
r
20
25
:
5
2
1
5
-
5
2
2
2
5220
en
s
u
r
in
g
th
at
m
o
r
e
o
f
th
e
tr
an
s
m
itted
en
er
g
y
is
co
n
ce
n
tr
ated
in
th
e
in
ten
d
ed
d
ir
ec
tio
n
.
T
h
is
n
o
t o
n
ly
im
p
r
o
v
es
th
e
an
ten
n
a
’
s
d
ir
ec
tio
n
al
p
er
f
o
r
m
an
ce
b
u
t
also
c
o
n
tr
ib
u
tes
to
o
v
er
all
s
y
s
tem
e
f
f
icien
cy
,
m
ak
in
g
t
h
e
an
ten
n
a
m
o
r
e
ef
f
ec
tiv
e
f
o
r
b
io
m
e
d
ical
ap
p
licatio
n
s
.
(
a)
(
b
)
Fig
u
r
e
6
.
Dir
ec
tiv
ity
o
f
th
e
p
r
o
p
o
s
ed
an
te
n
n
a
(
a
)
with
MT
M
an
d
(
b
)
with
o
u
t M
T
M
T
h
e
o
b
s
e
r
v
e
d
e
n
d
-
f
i
r
e
r
a
d
i
a
ti
o
n
p
a
t
t
e
r
n
i
n
t
h
e
b
as
e
s
t
r
u
ct
u
r
e
i
s
at
t
r
i
b
u
t
e
d
t
o
a
s
y
m
m
et
r
y
i
n
t
h
e
p
a
r
t
i
al
g
r
o
u
n
d
p
l
a
n
e
a
n
d
s
u
b
s
t
r
a
t
e
e
f
f
e
c
t
s
at
T
H
z
f
r
e
q
u
e
n
c
i
es
.
W
h
i
le
p
a
t
c
h
a
n
t
e
n
n
a
s
t
y
p
i
ca
l
l
y
r
a
d
ia
t
e
i
n
t
h
e
b
r
o
a
d
s
i
d
e
d
i
r
e
c
t
i
o
n
,
m
i
n
ia
t
u
r
i
z
e
d
a
n
d
h
ig
h
-
f
r
e
q
u
e
n
c
y
e
f
f
e
c
t
s
c
a
n
d
i
s
t
o
r
t
t
h
is
b
e
h
a
v
i
o
r
.
W
i
t
h
M
T
M
in
t
e
g
r
a
t
i
o
n
,
a
m
o
r
e
s
t
a
b
l
e
b
r
o
a
d
s
i
d
e
r
es
p
o
n
s
e
is
r
e
c
o
v
e
r
e
d
.
T
a
b
l
e
3
h
i
g
h
l
i
g
h
t
s
th
e
i
m
p
a
c
t
o
f
M
T
M
i
n
t
e
g
r
a
ti
o
n
o
n
k
e
y
a
n
t
e
n
n
a
c
h
a
r
a
c
t
e
r
is
t
i
cs
b
y
c
o
n
t
r
as
t
i
n
g
th
e
r
e
s
u
l
ts
o
b
t
a
i
n
e
d
wi
t
h
a
n
d
w
it
h
o
u
t
t
h
e
m
e
t
a
m
at
e
r
i
a
l
s
t
r
u
ct
u
r
e
.
T
ab
le
3
.
An
ten
n
a
p
e
r
f
o
r
m
an
ce
co
m
p
ar
is
o
n
with
an
d
with
o
u
t
MT
M
W
i
t
h
o
u
t
M
T
M
W
I
TH
M
TM
S
11
(
d
B
)
-
2
5
.
0
1
-
6
3
.
1
0
V
S
W
R
1
.
1
1
8
1
.
0
0
1
G
a
i
n
(
d
B
)
2
.
6
2
3
.
8
6
D
i
r
e
c
t
i
v
i
t
y
(
d
B
)
3
.
5
7
4
.
9
7
T
h
e
T
ab
le
4
co
m
p
ar
es
d
if
f
er
e
n
t
an
ten
n
a
d
esig
n
s
b
ased
o
n
s
ize,
o
p
er
atin
g
f
r
e
q
u
en
c
y
,
S1
1
(
r
ef
lectio
n
co
ef
f
icien
t)
,
an
d
g
ain
.
T
h
e
a
n
ten
n
as
in
r
ef
er
en
ce
s
[
1
4
]
,
[
2
3
]
–
[
2
5
]
h
av
e
s
izes
r
an
g
in
g
f
r
o
m
2
3
×
1
9
µm
²
to
5
0
×5
0
µm
²,
with
f
r
eq
u
en
cies
b
etwe
en
4
.
6
0
an
d
4
.
9
5
T
Hz.
T
h
ese
d
esig
n
s
ac
h
iev
e
S1
1
v
a
lu
es
b
etwe
en
-
3
8
.
0
0
an
d
-
5
5
.
3
1
d
B
,
in
d
icatin
g
g
o
o
d
im
p
ed
a
n
ce
m
atch
in
g
,
an
d
th
eir
g
ain
v
a
r
ies f
r
o
m
3
.
1
0
to
5
.
0
6
d
B
.
T
ab
le
4
.
An
ten
n
a
p
e
r
f
o
r
m
an
ce
co
m
p
ar
is
o
n
with
o
th
er
a
n
ten
n
a
d
esig
n
s
R
e
f
.
S
i
z
e
(
µ
m
2
)
F
r
e
q
u
e
n
c
y
(
TH
z
)
S
11
(
d
B
)
G
a
i
n
(
d
B
)
[
2
3
]
2
3
×
1
9
4
.
9
5
−
5
5
.
3
1
4
.
2
5
[
2
4
]
3
2
×
3
6
4
.
6
0
−
4
4
.
2
8
3
.
1
0
[
1
4
]
5
0
×
5
0
4
.
8
3
−
3
8
.
0
0
4
.
3
0
[
2
5
]
4
9
×
3
5
4
.
9
2
−
4
4
.
7
3
5
.
0
6
Th
i
s
w
o
r
k
69
×
54
4
.
3
7
-
6
3
.
1
0
3
.
8
6
I
n
co
n
tr
ast,
th
e
d
esig
n
in
“
t
h
is
wo
r
k
”
s
tan
d
s
o
u
t
with
a
s
ig
n
i
f
ican
tly
lar
g
er
s
ize
o
f
6
9
×
5
4
µm
²
an
d
a
lo
wer
o
p
er
atin
g
f
r
e
q
u
en
c
y
o
f
4
.
3
7
T
Hz.
Desp
ite
th
e
lar
g
er
s
ize,
th
is
d
esig
n
ac
h
iev
es
th
e
b
est
S1
1
v
alu
e
o
f
-
6
3
.
1
0
d
B
,
s
h
o
win
g
e
x
ce
llen
t
im
p
ed
an
ce
m
atch
in
g
,
f
a
r
s
u
r
p
ass
in
g
th
e
o
th
er
d
esig
n
s
.
Alth
o
u
g
h
its
g
ain
(
3
.
8
6
d
B
)
is
s
lig
h
tly
lo
wer
th
a
n
s
o
m
e
o
th
er
d
esig
n
s
,
th
e
s
u
p
e
r
io
r
S1
1
p
er
f
o
r
m
a
n
ce
m
a
k
es
it
h
ig
h
ly
ef
f
icien
t
in
r
ed
u
cin
g
s
ig
n
al
r
ef
lectio
n
,
d
e
m
o
n
s
tr
atin
g
th
e
a
n
ten
n
a'
s
im
p
r
o
v
ed
d
esig
n
an
d
ef
f
icien
c
y
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J E
lec
&
C
o
m
p
E
n
g
I
SS
N:
2088
-
8
7
0
8
H
-
s
h
a
p
ed
tera
h
ertz
p
a
tch
a
n
t
en
n
a
w
ith
meta
ma
teri
a
ls
fo
r
…
(
K
a
o
u
ta
r
S
a
id
i
A
la
o
u
i
)
5221
3
.
4
.
E
f
f
iciency
T
h
e
T
ab
le
5
illu
s
tr
ates
th
e
r
ad
iatio
n
ef
f
icien
cy
,
ca
lcu
lated
as
g
ain
/d
ir
ec
tiv
ity
,
was
f
o
u
n
d
to
b
e
7
3
.
1
%
with
o
u
t
MT
M
an
d
7
7
.
7
%
with
MT
M,
co
n
f
ir
m
in
g
th
e
b
en
e
f
it
o
f
th
e
m
etam
ater
ial
n
o
t
o
n
ly
in
d
ir
ec
tio
n
ality
b
u
t a
ls
o
in
r
e
d
u
cin
g
u
n
wan
te
d
lo
s
s
es.
T
ab
le
5
.
R
ad
iatio
n
ef
f
icien
cy
C
o
n
f
i
g
u
r
a
t
i
o
n
G
a
i
n
(
d
B
)
D
i
r
e
c
t
i
v
i
t
y
(
d
B
)
Ef
f
i
c
i
e
n
c
y
(
%)
W
i
t
h
o
u
t
M
T
M
2
.
6
2
3
.
5
7
7
3
.
1
W
i
t
h
M
T
M
3
.
8
6
4
.
9
7
7
7
.
7
4.
CO
NCLU
SI
O
N
T
h
e
co
m
b
in
atio
n
o
f
H
-
s
h
a
p
ed
ter
ah
er
tz
p
atch
an
te
n
n
as with
m
etam
ater
ials
p
r
esen
ts
a
s
ig
n
i
f
ican
t le
ap
f
o
r
war
d
in
t
h
e
d
e
v
elo
p
m
e
n
t
o
f
h
ig
h
-
p
er
f
o
r
m
a
n
ce
an
te
n
n
as
f
o
r
b
io
m
e
d
ical
ap
p
licatio
n
s
.
T
h
e
p
r
o
p
o
s
ed
an
ten
n
a
em
p
lo
y
s
a
s
lo
tted
r
ad
iatin
g
p
atch
with
a
p
ar
tial
g
r
o
u
n
d
p
lan
e
co
n
f
ig
u
r
atio
n
,
co
u
p
led
with
a
MT
M
lay
er
co
m
p
o
s
ed
o
f
a
3
×
3
a
r
r
ay
o
f
SR
R
elem
en
ts
.
T
h
e
in
teg
r
a
tio
n
o
f
th
e
MT
M
s
tr
u
ct
u
r
e
l
ea
d
s
to
s
ig
n
if
ica
n
t
en
h
an
ce
m
e
n
ts
in
th
e
an
ten
n
a’
s
elec
tr
o
m
ag
n
etic
p
er
f
o
r
m
an
ce
.
No
tab
ly
,
th
e
r
ef
lectio
n
co
ef
f
icien
t
(
S₁₁)
im
p
r
o
v
es
f
r
o
m
−2
5
.
0
1
to
−6
3
.
1
0
d
B
,
th
e
g
ain
in
c
r
ea
s
es
f
r
o
m
2
.
6
2
to
3
.
8
6
d
B
,
an
d
t
h
e
d
i
r
ec
tiv
ity
r
is
es
f
r
o
m
3
.
5
7
to
4
.
9
7
d
B
.
T
h
ese
m
ar
k
ed
im
p
r
o
v
em
en
ts
u
n
d
er
s
co
r
e
th
e
s
y
n
er
g
is
tic
ef
f
ec
t
o
f
MT
M
in
teg
r
atio
n
,
d
em
o
n
s
tr
atin
g
its
p
o
ten
tial to
s
ig
n
if
ican
tly
b
o
o
s
t r
ad
iatio
n
e
f
f
icien
cy
an
d
im
p
e
d
an
ce
m
atch
in
g
.
C
o
n
s
eq
u
en
tly
,
th
e
p
r
o
p
o
s
ed
d
esig
n
s
h
o
ws
s
tr
o
n
g
p
r
o
m
is
e
f
o
r
h
ig
h
-
p
er
f
o
r
m
an
ce
ap
p
licatio
n
s
,
p
ar
ticu
l
ar
ly
in
b
io
m
ed
ical
s
en
s
in
g
an
d
im
ag
in
g
d
o
m
ain
s
.
W
h
ile
th
e
SR
R
u
n
it
ce
ll
g
eo
m
etr
y
is
co
n
v
en
tio
n
al,
th
e
n
o
v
elty
o
f
th
e
p
r
esen
t
wo
r
k
lies
in
th
e
o
p
tim
ized
s
p
atial
in
teg
r
atio
n
o
f
th
e
MT
M
with
th
e
p
atch
s
tr
u
ctu
r
e.
T
h
is
alig
n
m
en
t
en
ab
les
ef
f
ec
tiv
e
r
eso
n
a
n
ce
co
u
p
lin
g
,
en
h
an
cin
g
r
ef
lectio
n
s
u
p
p
r
ess
io
n
,
g
ain
,
a
n
d
d
ir
ec
ti
v
ity
s
im
u
ltan
eo
u
s
ly
in
t
h
e
T
Hz
b
an
d
.
Fo
r
m
o
r
e
ex
p
e
r
im
e
n
ts
with
th
e
p
r
o
p
o
s
ed
d
esig
n
,
th
e
SAR
ca
lcu
latio
n
ca
n
b
e
d
o
n
e
in
th
e
f
u
tu
r
e.
RE
F
E
R
E
NC
E
S
[
1
]
C
.
R
ø
n
n
e
a
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:
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.
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