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g
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NT
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ar
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cr
ea
s
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n
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l
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en
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s
in
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AVs th
at
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k
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s
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t
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s
s
y
n
t
h
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e
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ad
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(
SAR
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[
1
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-
[
4
]
.
I
n
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r
d
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ig
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5
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[
7
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n
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A
R
s
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t
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e
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t
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m
is
m
atc
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n
ter
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ce
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ca
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p
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in
f
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tio
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in
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p
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v
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m
a
g
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d
etec
tio
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[
5
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,
[
8
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,
[
9
]
.
Ho
w
e
v
er
,
s
m
all
U
AVs
h
av
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li
m
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s
p
ac
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n
d
w
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t
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f
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AR
p
a
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lo
ad
s
t
h
at
ca
n
b
e
u
s
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T
h
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r
e,
a
lig
h
t
w
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n
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m
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s
o
f
t
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e
UAV.
T
h
e
an
te
n
n
a
m
u
s
t a
l
s
o
h
av
e
h
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d
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la
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lar
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L
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h
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w
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f
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m
all
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Vs.
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h
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s
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d
y
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s
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in
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w
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2.
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u
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u
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1
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u
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ated
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et
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ce
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ter
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k
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n
c
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o
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th
e
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y
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te
m
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h
e
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im
u
latio
n
a
n
d
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w
er
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r
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t
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r
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ter
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2
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t
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e.
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tim
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ar
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n
ten
s
i
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e
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m
u
latio
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w
er
e
o
b
tain
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v
alu
e
s
a
s
in
T
ab
le
1
.
(
a)
(
b
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Fig
u
r
e
1
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o
n
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ig
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r
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to
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3.
RE
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L
T
S AN
D
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SS
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ased
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1
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5
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6
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