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T
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elas
tic
it
y
[
1
8
]
.
B
y
co
m
p
o
s
iti
n
g
r
u
b
b
er
w
ith
ca
r
b
o
n
f
iller
,
th
e
d
ielec
tr
ic
co
n
s
tan
t
an
d
lo
s
s
tan
g
en
t
o
f
th
is
co
m
p
o
s
ite
ca
n
b
e
v
ar
ied
,
p
r
o
v
id
in
g
f
lex
ib
il
it
y
i
n
d
esig
n
in
g
t
h
e
an
te
n
n
a
[
1
9
]
.
O
n
to
p
o
f
th
at,
r
u
b
b
er
ca
n
b
e
ac
ce
s
s
ed
ea
s
il
y
i
n
Ma
la
y
s
ia
as
it
is
o
n
e
o
f
th
e
m
ai
n
ex
p
o
r
t
in
d
u
s
tr
ies
o
f
th
e
co
u
n
t
r
y
[
2
0
]
.
I
n
r
elate
d
w
o
r
k
s
,
t
h
e
an
ten
n
a
p
r
o
p
o
s
ed
b
y
[
2
1
]
s
h
o
w
s
t
h
at
t
h
e
r
u
b
b
er
ca
n
b
e
u
s
ed
i
n
an
ten
n
a
d
esi
g
n
to
o
p
er
ate
w
it
h
in
th
e
in
d
u
s
tr
ial,
s
cie
n
ti
f
ic
a
n
d
m
ed
ical
(
I
SM)
b
an
d
w
it
h
a
n
ex
ce
lle
n
t r
etu
r
n
lo
s
s
v
al
u
e
o
f
-
3
1
.
0
3
d
B
w
it
h
4
.
0
6
d
B
i g
ain
a
t 2
.
4
5
GHz
.
A
n
o
th
er
w
o
r
k
b
y
[
2
2
]
also
f
ea
tu
r
ed
a
r
u
b
b
er
-
b
ased
I
SM
an
ten
n
a
wh
ich
e
x
h
ib
its
a
g
o
o
d
r
etu
r
n
lo
s
s
o
f
-
1
8
.
0
d
B
w
ith
3
.
9
4
d
B
i
g
ain
at
2
.
4
5
GHz
.
T
h
ese
r
eso
u
r
ce
s
s
h
o
w
t
h
at
a
n
t
en
n
a
s
o
n
a
r
u
b
b
er
s
u
b
s
tr
ate
ar
e
w
o
r
k
ab
le
to
b
e
ap
p
lied
w
i
th
i
n
th
e
I
SM
b
a
n
d
.
T
h
er
e
ar
e
a
l
o
t
o
f
o
th
er
r
esear
ch
in
v
o
lv
ed
i
n
f
le
x
ib
le
an
ten
n
as
to
d
ate
[
2
5
]
-
[
2
8
]
,
b
u
t
n
o
t
m
u
c
h
ar
e
p
ay
i
n
g
atte
n
tio
n
to
t
h
e
e
f
f
ec
t
s
o
f
an
te
n
n
a
b
e
n
d
in
g
,
w
h
ich
co
u
ld
p
o
s
s
ib
l
y
a
f
f
ec
t
t
h
e
w
h
o
le
p
er
f
o
r
m
a
n
ce
o
f
t
h
e
an
ten
n
a.
Mo
s
t
o
f
th
e
in
v
e
s
tig
atio
n
s
clai
m
ed
th
at
th
e
an
te
n
n
a
w
as
f
lex
ib
le
w
it
h
o
u
t
p
r
o
v
in
g
an
d
ex
ec
u
t
in
g
th
e
an
ten
n
a
b
en
d
i
n
g
.
T
h
is
i
s
i
m
p
o
r
tan
t
to
s
h
o
w
an
d
p
r
o
v
e
th
a
t
th
e
an
te
n
n
a
ca
n
at
leas
t
r
ad
iate
w
i
th
t
h
e
s
a
m
e
p
er
f
o
r
m
a
n
ce
as
in
f
lat
co
n
d
iti
o
n
s
.
As
r
ep
o
r
ted
b
y
[
1
0
]
,
[
1
4
]
,
[
1
5
]
,
[
2
1
]
,
[
2
9
]
,
f
r
eq
u
en
c
y
s
h
i
f
ti
n
g
m
o
s
tl
y
o
cc
u
r
s
w
h
e
n
t
h
e
a
n
ten
n
a
is
c
u
r
v
ed
,
w
h
ic
h
ca
n
i
m
p
ac
t
t
h
e
w
h
o
le
p
er
f
o
r
m
a
n
ce
a
t
t
h
e
i
n
te
n
d
ed
f
r
eq
u
en
c
y
.
Var
iatio
n
s
to
th
e
b
en
d
in
g
d
ir
ec
tio
n
s
a
n
d
an
g
le
s
ar
e
also
i
m
p
o
r
tan
t
to
p
r
o
v
e
th
e
an
ten
n
a
’
s
ab
ilit
y
t
o
p
er
f
o
r
m
w
ell
i
n
d
if
f
er
e
n
t b
en
d
i
n
g
co
n
d
it
io
n
s
.
I
n
th
is
w
o
r
k
,
w
e
co
n
d
u
cted
a
th
o
r
o
u
g
h
s
t
u
d
y
o
n
th
e
ef
f
ec
ts
o
f
b
en
d
in
g
o
n
a
f
lex
ib
le
cir
cu
lar
m
icr
o
s
tr
ip
an
te
n
n
a
w
h
ich
i
s
p
r
o
p
o
s
ed
to
b
e
u
s
ed
at
2
.
4
5
G
Hz
f
o
r
m
a
n
y
w
ea
r
ab
le
ap
p
licatio
n
s
i
n
I
SM
b
an
d
s
u
c
h
as
m
ed
ical,
W
i
-
Fi,
o
r
W
L
A
N.
T
h
e
an
te
n
n
a
h
as
b
ee
n
v
ar
ied
u
s
in
g
d
if
f
er
en
t
r
u
b
b
er
-
ca
r
b
o
n
co
m
p
o
s
itio
n
s
w
h
ic
h
ar
e
n
atu
r
al
r
u
b
b
er
(
n
o
c
ar
b
o
n
f
iller
)
,
r
u
b
b
er
w
it
h
2
0
%
ca
r
b
o
n
f
iller
,
r
u
b
b
er
w
ith
2
5
%
ca
r
b
o
n
f
iller
,
an
d
r
u
b
b
er
w
it
h
5
0
%
ca
r
b
o
n
f
il
le
r
.
T
w
o
o
th
er
co
m
m
o
n
l
y
u
s
ed
f
le
x
ib
le
an
t
e
n
n
as;
P
DM
S
a
n
d
R
O3
0
0
3
ar
e
also
in
cl
u
d
ed
in
th
e
r
esu
lt
s
ec
tio
n
f
o
r
co
m
p
ar
is
o
n
p
u
r
p
o
s
es.
T
h
e
p
e
r
f
o
r
m
a
n
ce
is
m
ea
s
u
r
ed
in
ter
m
s
o
f
S
11
,
b
an
d
w
id
t
h
an
d
g
ai
n
,
w
h
er
e
v
ar
io
u
s
b
en
d
i
n
g
co
n
d
itio
n
s
ar
e
ap
p
lied
.
T
h
is
p
r
o
j
ec
t
w
ill
ex
ec
u
te
d
if
f
er
e
n
t
b
en
d
in
g
a
n
g
les
a
n
d
d
i
r
ec
tio
n
s
to
g
et
a
m
o
r
e
co
m
p
r
eh
e
n
s
iv
e
o
b
s
er
v
atio
n
an
d
r
esu
lt
o
f
t
h
e
b
en
d
in
g
e
f
f
ec
ts
o
n
th
e
p
er
f
o
r
m
a
n
ce
o
f
th
e
a
n
te
n
n
a.
T
h
e
b
en
d
in
g
a
n
g
le
s
ar
e
v
ar
i
ed
in
th
e
r
a
n
g
e
o
f
1
0
0
-
5
0
0
m
m
c
y
lin
d
r
ical
r
ad
iu
s
,
w
it
h
f
o
u
r
b
en
d
i
n
g
d
ir
ec
tio
n
s
:
i
)
s
id
e
-
i
n
w
ar
d
,
ii
)
s
id
e
-
o
u
t
w
ar
d
,
iii
)
to
p
-
in
w
ar
d
,
an
d
iv
)
to
p
-
o
u
t
w
ar
d
.
W
ith
th
i
s
ef
f
o
r
t,
h
o
p
ef
u
ll
y
,
a
m
o
r
e
co
m
p
r
e
h
e
n
s
i
v
e
f
le
x
ib
le
an
ten
n
a
d
esig
n
f
o
r
w
ea
r
ab
le
i
m
p
le
m
en
tatio
n
s
ca
n
b
e
r
ea
lized
in
th
e
f
u
t
u
r
e.
2.
M
E
T
H
O
DO
L
O
G
Y
T
h
is
p
r
o
j
ec
t
is
d
iv
id
ed
in
to
s
ev
er
al
s
ta
g
es.
First,
th
e
b
est
co
m
p
o
s
i
tio
n
o
f
r
u
b
b
er
an
d
ca
r
b
o
n
w
er
e
s
tu
d
ied
co
r
r
esp
o
n
d
in
g
to
t
h
e
in
te
n
d
ed
f
r
eq
u
en
c
y
o
f
2
.
4
5
GHz
f
o
r
I
SM
b
an
d
ap
p
licatio
n
s
.
Seco
n
d
,
t
h
e
p
r
o
p
er
ties
o
f
th
e
m
ater
ial
(
i.e
.
,
p
er
c
en
tag
e
r
atio
o
f
ca
r
b
o
n
to
r
u
b
b
er
)
w
er
e
co
m
p
u
ted
,
an
d
th
e
an
ten
n
a
g
eo
m
etr
y
w
as
d
esi
g
n
ed
a
n
d
s
i
m
u
lated
u
s
i
n
g
co
m
p
u
ter
s
i
m
u
latio
n
tech
n
o
lo
g
y
Mic
r
o
wav
e
St
u
d
io
s
o
f
t
w
ar
e
(
C
ST
MW
S).
Nex
t,
co
n
tin
u
o
u
s
o
p
ti
m
izatio
n
o
f
th
e
an
te
n
n
a
p
ar
am
eter
s
w
as
co
n
d
u
cted
to
ac
h
iev
e
th
e
b
est
p
er
f
o
r
m
a
n
ce
i
n
ter
m
s
o
f
S
11
,
b
an
d
w
id
t
h
a
n
d
g
ai
n
.
Fo
llo
w
i
n
g
th
i
s
,
an
al
y
s
is
w
i
th
d
i
f
f
er
en
t
co
m
b
i
n
atio
n
s
o
f
b
en
d
in
g
d
ir
ec
tio
n
s
an
d
an
g
le
s
(
cy
l
in
d
r
ical
r
ad
iu
s
)
w
as
co
n
d
u
cted
to
in
v
es
tig
a
te
th
e
b
en
d
in
g
ef
f
ec
ts
o
n
th
e
an
ten
n
a
p
er
f
o
r
m
an
ce
.
Fin
a
ll
y
,
co
m
p
ar
is
o
n
s
tu
d
y
o
f
t
h
e
p
r
o
p
o
s
ed
an
ten
n
a
w
it
h
o
t
h
er
f
le
x
ib
le
I
SM
a
n
te
n
n
a
av
ailab
le
in
t
h
e
li
ter
at
u
r
es
w
er
e
p
r
esen
ted
to
h
ig
h
li
g
h
t th
e
i
m
p
o
r
tan
ce
an
d
n
o
v
elt
y
i
n
th
i
s
wo
r
k
.
T
h
e
C
ST
MW
S
w
a
s
u
s
ed
to
d
esig
n
a
n
d
s
i
m
u
late
th
e
c
ir
cu
la
r
m
icr
o
s
tr
ip
an
ten
n
a.
As
t
h
e
p
er
ce
n
tag
e
o
f
th
e
ca
r
b
o
n
u
s
ed
in
f
o
r
m
in
g
th
e
r
u
b
b
er
-
ca
r
b
o
n
co
m
p
o
s
ite
v
ar
ied
,
th
e
d
ielec
tr
ic
c
o
n
s
tan
t
an
d
th
e
lo
s
s
tan
g
e
n
t
o
f
th
e
s
u
b
s
tr
ate
ar
e
ex
p
ec
ted
t
o
v
ar
y
as
w
ell.
B
ased
o
n
t
h
e
co
n
d
u
cted
s
t
u
d
ies,
f
o
u
r
d
i
f
f
er
en
t
co
m
p
o
s
it
io
n
s
o
f
r
u
b
b
er
-
ca
r
b
o
n
co
m
p
o
s
i
te
w
er
e
u
s
ed
i
n
th
i
s
w
o
r
k
w
h
ic
h
i
n
clu
d
e
n
atu
r
al
r
u
b
b
er
,
r
u
b
b
er
w
it
h
2
0
%
ca
r
b
o
n
f
iller
,
r
u
b
b
er
w
i
t
h
2
5
%
ca
r
b
o
n
f
iller
,
an
d
r
u
b
b
er
w
it
h
5
0
%
ca
r
b
o
n
f
iller
.
T
h
e
p
r
o
p
er
ties
o
f
t
h
e
d
i
elec
tr
ic
co
n
s
ta
n
t
o
f
r
u
b
b
er
-
ca
r
b
o
n
co
m
p
o
s
ite
s
ar
e
tab
u
lated
in
T
ab
le
1
[
1
8
]
.
B
a
s
ed
o
n
th
ese
d
ata,
n
at
u
r
al
r
u
b
b
er
h
as
a
d
ielec
tr
ic
co
n
s
ta
n
t
o
f
3
.
0
w
it
h
0
lo
s
s
ta
n
g
en
t,
w
h
ile
r
u
b
b
er
w
it
h
2
0
%
ca
r
b
o
n
f
iller
h
a
s
a
d
ielec
tr
ic
c
o
n
s
ta
n
t
o
f
4
.
6
w
it
h
0
.
0
2
5
1
lo
s
s
tan
g
en
t.
T
h
e
d
ielec
tr
ic
co
n
s
ta
n
t
a
n
d
lo
s
s
tan
g
e
n
t
v
al
u
e
ch
a
n
g
e
as
th
e
ca
r
b
o
n
co
n
te
n
t
s
i
n
cr
ea
s
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ain
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f
u
r
t
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er
d
ec
r
ea
s
es u
n
d
er
b
en
d
in
g
.
Evaluation Warning : The document was created with Spire.PDF for Python.
T
E
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A
T
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7
(
a)
(
b
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(
c
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(
d
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(
e)
(
f
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Fig
u
r
e
6
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Si
m
u
lated
p
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f
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r
m
a
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f
t
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e
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te
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n
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ap
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11
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(
b
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11
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11
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e)
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f
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am
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ir
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1
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m
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,
m
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ta
in
i
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g
a
n
S
11
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f
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th
a
n
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1
0
d
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ac
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s
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Ho
w
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lead
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to
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eq
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b
y
[
1
0
]
,
[
1
4
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,
[
1
5
]
,
[
2
1
]
.
Desp
ite
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h
e
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p
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o
n
d
itio
n
s
f
o
r
w
ea
r
ab
le
ap
p
licatio
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s
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
1
6
9
3
-
6930
T
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L
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2
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No
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1
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r
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ar
y
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0
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5
:
1
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0
8
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2
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te
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liter
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r
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ter
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d
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r
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d
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y
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l
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t
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t
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T
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s
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N
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r
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2
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1
4
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1
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1
4
8
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3
7
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6
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2
3
4
b
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i
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t
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n
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5
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u
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6
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R
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3
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5
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5
R
u
b
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d
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CF
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6
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6
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3
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3
1
4
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9
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1
5
6
4
.
4
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2
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5
7
[
1
0
]
P
D
M
S
2
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4
5
-
1
8
.
0
<
-
1
4
.
0
1
0
0
>
2
5
0
2
.
2
5
NR
1
b
e
n
d
i
n
g
d
i
r
e
c
t
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o
n
a
n
d
3
b
e
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d
i
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g
a
n
g
l
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s
[
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4
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K
a
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e
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5
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2
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5
NR
NR
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b
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d
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d
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r
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c
t
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d
3
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d
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a
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s
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5
]
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d
2
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d
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s
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N
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l
r
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b
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2
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5
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3
2
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s
a
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d
1
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2
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N
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r
a
l
r
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2
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4
5
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8
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4
-
N
o
b
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d
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g
s
t
u
d
y
[
2
3
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N
a
t
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r
a
l
r
u
b
b
e
r
2
.
4
-
4
9
.
7
-
NR
-
8
.
1
6
-
N
o
b
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n
d
i
n
g
s
t
u
d
y
[
2
5
]
T
e
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t
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l
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(
j
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s)
2
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5
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5
.
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5
0
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3
.
0
0
-
N
o
b
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d
i
n
g
s
t
u
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y
[
2
6
]
D
u
p
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t
2
.
4
<
-
1
0
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0
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8
0
.
0
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1
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4
4
-
N
o
b
e
n
d
i
n
g
s
t
u
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y
[
2
7
]
G
l
o
ss
y
p
a
p
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r
P
ET
2
.
4
<
-
2
0
.
0
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1
0
0
0
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2
.
3
1
-
N
o
b
e
n
d
i
n
g
s
t
u
d
y
[
2
8
]
P
D
M
S
a
n
d
g
l
a
ss
2
.
4
6
-
1
1
.
3
-
NR
-
NR
-
N
o
b
e
n
d
i
n
g
s
t
u
d
y
B
e
n
t
r
e
f
e
r
t
o
max
i
m
u
m
b
e
n
d
i
n
g
a
p
p
l
i
e
d
i
n
t
h
e
w
o
r
k
(
w
o
r
st
sce
n
a
r
i
o
)
.
C
F
=
c
a
r
b
o
n
f
i
l
l
e
r
a
n
d
N
R
=
n
o
t
r
e
p
o
r
t
e
d
.
4.
CO
NCLU
SI
O
N
T
h
e
p
er
f
o
r
m
an
ce
o
f
a
f
le
x
ib
le
cir
cu
lar
m
icr
o
s
tr
ip
an
te
n
n
a
o
n
a
r
u
b
b
er
-
ca
r
b
o
n
s
u
b
s
tr
ate
is
p
r
esen
ted
.
B
ased
o
n
th
e
s
i
m
u
latio
n
r
esu
lts
o
f
t
h
e
p
r
o
p
o
s
ed
an
ten
n
a,
it
ca
n
b
e
co
n
cl
u
d
ed
th
at
t
h
e
an
ten
n
a
d
esi
g
n
o
n
n
atu
r
al
r
u
b
b
er
,
r
u
b
b
er
w
it
h
2
0
%,
2
5
%
an
d
5
0
%
ca
r
b
o
n
f
iller
,
ex
h
ib
its
an
ac
ce
p
tab
le
S
11
,
b
an
d
w
id
th
an
d
g
ai
n
at
2
.
4
5
GHz
in
f
lat
co
n
d
itio
n
s
.
T
o
v
alid
ate
its
f
le
x
ib
ilit
y
f
o
r
w
ea
r
ab
le
ap
p
licatio
n
s
,
t
h
e
ef
f
ec
ts
o
f
b
en
d
i
n
g
w
er
e
i
n
v
esti
g
ated
ac
r
o
s
s
f
o
u
r
b
en
d
in
g
d
ir
ec
tio
n
s
(
s
id
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-
i
n
war
d
,
s
id
e
-
o
u
t
w
ar
d
,
to
p
-
in
w
ar
d
,
a
n
d
to
p
-
o
u
t
w
ar
d
b
en
d
in
g
)
an
d
f
iv
e
r
ad
ii.
Desp
ite
f
r
eq
u
en
c
y
s
h
if
ts
d
u
e
to
b
en
d
in
g
,
th
e
a
n
ten
n
a
’
s
S
11
s
ta
y
s
b
elo
w
-
1
0
d
B
,
w
it
h
b
an
d
w
id
t
h
r
e
m
ain
in
g
s
u
itab
le
f
o
r
th
e
I
S
M
b
an
d
a
n
d
g
ai
n
w
i
t
h
in
ac
ce
p
tab
le
li
m
its
.
B
ased
o
n
t
h
ese
r
es
u
lt
s
,
w
e
h
ig
h
l
y
r
ec
o
m
m
e
n
d
d
esig
n
i
n
g
a
w
ea
r
ab
le
f
lex
ib
le
an
ten
n
a
w
it
h
a
w
id
e
b
an
d
w
id
t
h
to
e
n
s
u
r
e
f
u
n
ctio
n
alit
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u
n
d
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v
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s
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sy
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h
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c
a
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tac
ted
a
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m
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:
n
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n
@ii
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m
y
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in
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d
f
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h
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s)
(
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g
)
a
n
d
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tri
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h
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m
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d
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tl
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to
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t
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tri
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ter
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r
sp
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is
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p
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s.
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in
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p
o
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r
tran
sf
e
r
in
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lec
tri
c
v
e
h
icle
s
(EV
),
e
n
e
rg
y
m
a
n
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g
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m
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n
t
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st
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s,
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.
S
h
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c
a
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b
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c
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tac
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m
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:
siti
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ff
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m
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m
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tri
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p
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rin
g
f
ro
m
th
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rsit
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f
C
a
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terb
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ry
,
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e
w
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lan
d
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h
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sp
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c
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s
in
m
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a
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a
b
rica
ti
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tec
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y
p
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u
larly
in
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M
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,
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a
n
d
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h
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sin
c
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2
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a
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tals
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lec
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sp
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to
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rtme
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g
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ti
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a
l
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m
ic
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rsit
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a
la
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si
a
(IIUM
).
S
h
e
is
a
se
n
i
o
r
m
e
m
b
e
r
o
f
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E,
IEE
E
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e
c
tro
n
De
v
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s
S
o
c
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n
d
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.
S
h
e
c
a
n
b
e
c
o
n
t
a
c
ted
a
t
e
m
a
il
:
n
o
o
r
jan
n
a
h
@iiu
m
.
e
d
u
.
m
y
.
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