T
E
L
KO
M
NIK
A
, V
ol
.
17
,
No.
5,
O
c
tob
er
20
1
9,
p
p.
2
17
9
~
2185
IS
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N:
1
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F
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r
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No: 2
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K
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18
DOI:
10.12928/TE
LK
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All
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1.
Int
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Le
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L
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L
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7]
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8]
a
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hi
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nb
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ap
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[
10
]
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T
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f
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da
m
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m
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of
h
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m
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r
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th
i
s
w
a
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s
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ed
HW
-
ML
W
A
s
[11
,
12]
.
M
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h
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ea
r
c
h
ha
s
be
en
d
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r
ec
ted
on
ML
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[2
,
13]
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T
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L
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[1
4]
:
(
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=
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(
)
0
(
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(
1)
where
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In
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t
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bo
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gh
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o
Evaluation Warning : The document was created with Spire.PDF for Python.
◼
IS
S
N: 16
93
-
6
93
0
T
E
L
KO
M
NIK
A
V
ol
.
17
,
No
.
5,
O
c
tob
er 20
19
:
21
7
9
-
21
85
2180
the
s
ub
s
tr
ate
p
l
a
ne
.
T
he
di
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ti
on
of
m
ai
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be
am
de
pe
n
de
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t
on
th
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ph
as
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on
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tan
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β
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the
f
orm
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be
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w
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p
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de
nt
o
n
t
he
a
tte
n
ua
t
i
o
n
c
on
s
tan
t
[
15
]
.
T
he
m
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n
be
am
o
f
un
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f
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m
L
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s
ha
s
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w
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eq
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on
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m
f
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ex
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group
[
16
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.
A
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T
he
an
te
nn
a
h
as
du
a
l
be
am
m
ad
e
ou
t
of
a
s
ol
i
tar
y
m
i
c
r
os
tr
i
p
l
i
ne
wi
th
the
c
op
l
an
ar
w
a
v
eg
ui
de
(
CP
W
)
no
uris
h
at
t
he
f
oc
al
p
oi
n
t
of
the
m
i
c
r
os
tr
i
p
an
te
nn
a
was
propos
e
d
i
n
t
he
l
ate
19
9
0s
[17]
.
T
hi
s
t
y
p
e
of
an
t
en
n
a
c
an
de
l
i
v
er
bo
r
es
i
gh
t
the
m
ai
n
be
am
at
the
l
o
w
f
r
eq
u
en
c
y
wi
th
a
n
a
r
r
ow
be
am
w
i
dth
i
n
th
e
p
l
an
e
of
the
el
ev
ati
on
an
d
w
i
de
be
am
w
i
dth
i
n
the
a
z
i
m
uth
pl
an
e.
A
t
h
i
g
h
f
r
eq
ue
nc
i
es
,
i
t
ge
ts
a
d
ou
b
l
e
be
am
an
ten
na
on
e
at
the
f
or
w
ard
di
r
ec
ti
on
an
d
an
oth
er
be
a
m
i
s
ba
c
k
w
ard
di
r
ec
ti
on
.
T
wo
s
tr
ai
gh
t
l
y
en
r
a
ptu
r
e
d
f
ul
l
-
w
i
dth
L
W
A
s
,
ea
c
h
f
ee
d
at
th
e
t
wo
c
l
os
ures
,
are
pu
t
orth
og
o
na
l
t
o
ea
c
h
ot
he
r
i
n
the
m
i
dd
l
e,
to
c
r
ea
te
a
c
i
r
c
ul
arl
y
c
ap
t
i
v
ate
d
b
ores
i
gh
t
p
ol
ar
i
z
ed
[
18
]
.
A
s
p
i
r
al
arr
a
y
ex
h
i
b
i
t
m
ad
e
ou
t
of
ei
gh
t
s
u
bs
tr
ate
i
nte
grate
d
wav
eg
ui
d
es
(
S
I
W
s
)
on
a
s
o
l
i
t
ar
y
s
ub
s
tr
ate
was
s
h
o
w
n
to
d
el
i
v
er
r
a
d
i
ati
on
bo
r
es
i
g
ht
[
19
]
.
O
pe
r
at
i
on
a
l
at
di
r
ec
t
i
on
broa
ds
i
d
e
h
ea
d
i
ng
i
s
g
ott
e
n
b
y
t
he
s
o
-
k
no
wn
p
art
c
on
di
t
i
o
n,
ha
p
pe
n
i
n
g
w
h
e
n
th
e
l
ea
k
y
m
od
e
s
ta
ge
an
d
s
pi
l
l
ag
e
c
on
s
t
an
ts
are
e
qu
i
v
a
l
e
nt
(
β
/k
o
=
α
/k
o
)
an
d
th
e
ML
W
A
i
s
s
y
m
m
etri
c
al
l
y
en
c
o
ura
ge
d
[2
0]
.
a
c
i
r
c
u
i
t
m
od
el
of
L
W
A
tha
t
i
s
r
el
ate
d
to
t
he
m
od
el
of
th
e
Me
n
z
e
l
H
W
-
ML
W
A
i
n
F
i
gu
r
e
1
(
a)
.
D
i
el
ec
tr
i
c
-
f
i
l
l
e
d
pa
r
al
l
e
l
pl
ate
wav
eg
u
i
de
c
an
b
e
m
od
el
l
e
d
as
a
of
ad
m
i
s
s
i
on
Y
01
e
n
de
d
at
o
ne
en
d
b
y
a
s
ho
r
t
c
i
r
c
ui
t
an
d
th
e
oth
er
en
d
b
y
ad
m
i
s
s
i
on
Y
t
,
s
ee
F
i
gu
r
e
1
(
b)
.
T
he
E
n
ul
l
prod
uc
ed
i
n
the
E
H
1
m
od
e
b
y
v
i
as
i
s
r
ep
r
es
en
te
d b
y
a
i
n
du
c
ta
nc
e o
r
s
ho
r
t c
i
r
c
u
i
t
. T
he
trans
v
ers
e res
on
an
c
e r
e
l
at
i
v
e
[
2
1]
.
(
)
.
(
)
=
1
(
2)
T
he
r
ef
l
ec
ti
on
c
o
ef
f
i
c
i
en
t
Г
du
e
to
the
ad
m
i
s
s
i
on
of
the
e
dg
e
of
the
m
i
c
r
os
tr
i
p
pa
tc
h
an
te
nn
a
Y
t
i
s
un
i
t
y
wi
th
a
ph
as
e
s
hi
f
t
P
.
Ref
err
i
n
g
t
o
F
i
gu
r
e
1
(
b)
,
at
a
po
i
nt
y
=
y
a
j
us
t
t
o
the
r
i
gh
t
of
Y
t
(
)
=
(
3)
ℎ
(
)
=
−
−
2
/
2
(
4)
where
k
=
β
-
j
α
i
s
the
c
om
pl
ex
w
a
v
e
nu
m
be
r
i
n
the
s
ub
s
tr
ate
a
nd
w
i
s
th
e
wi
dt
h
of
the
s
tr
uc
ture.
In
(
4) bec
om
es
:
−
(
−
)
=
1
(
5)
−
=
±
z
=1,
2,3
……
(
6)
z
=
1
f
or EH1
m
od
e
:
(
a)
(
b)
F
i
gu
r
e
1.
M
en
z
e
l
c
i
r
c
ui
t
m
o
de
l
:
(
a)
Cr
os
s
-
s
ec
ti
on
s
of
Me
n
z
el
of
H
W
-
ML
W
A
(
b) equ
i
v
a
l
en
t c
i
r
c
ui
t
Evaluation Warning : The document was created with Spire.PDF for Python.
T
E
L
KO
M
NIK
A
IS
S
N: 1
69
3
-
6
93
0
◼
E
nh
an
c
em
en
t
of
b
ores
i
g
ht
r
ad
i
at
i
o
n f
or
l
ea
k
y
wav
e
…
(
Mo
waf
ak
K
Mo
hs
e
n
)
2181
T
hi
s
pa
pe
r
pres
en
ts
a
no
v
e
l
d
es
i
g
n
of
a
n
un
i
f
or
m
H
W
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ML
W
A
s
arr
a
y
c
l
us
ter
m
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c
om
m
on
l
y
to
ac
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r
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gh
t
r
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di
ati
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er
a
w
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de
ba
nd
wi
dt
h.
T
w
o
H
W
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ML
W
A
s
el
em
en
ts
are
s
et
at
18
0
°
d
i
s
pl
ac
em
e
nts
an
g
ul
ar
us
ed
t
o
c
r
ea
te
the
arr
a
y
a
nd
i
t
i
s
f
ed
b
y
a
s
ol
i
t
ar
y
pr
ob
e
at
th
e c
en
t
er bet
wee
n
t
w
o
c
om
po
ne
nts
.
2.
A
n
t
enn
a Con
f
igu
r
atio
n
T
he
propos
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u
ni
f
orm
arr
a
y
H
W
-
ML
W
A
s
i
s
s
ho
w
n
i
n
F
i
gu
r
e
s
2
(
a)
a
nd
(
b
)
r
ep
r
e
s
en
ts
the
t
op
v
i
e
w
,
an
d
f
ed
po
i
nt
wi
th
a
m
atc
hi
ng
l
oa
d,
r
es
pe
c
ti
v
e
l
y
.
T
w
o
H
W
-
ML
W
A
s
el
em
en
ts
are
de
s
i
g
ne
d
wi
th
18
0°
an
gu
l
ar
.
T
he
e
nti
r
e
s
tr
uc
ture
i
s
on
a
s
ol
i
tar
y
l
a
y
er
s
ub
s
tr
ate
R
og
ers
RT
58
8
0
the
an
d
tan
δ=
0.0
00
9
,
di
el
ec
tr
i
c
c
on
s
tan
t
εr
=
2.2
,
wi
t
h
a
he
i
gh
t
of
s
ub
s
tr
ate
(
h)
of
1.5
75
m
m
.
T
he
w
i
dt
h
(
W
)
an
d
l
e
ng
th
(
L)
of
the
s
ub
s
tr
ate
are
(
3.2
34
λ
0)
2
31
m
m
,
(
0.6
58
λ
0)
47
mm
r
es
pe
c
ti
v
el
y
w
h
ere
λ
0
i
s
th
e
f
r
ee
s
pa
c
e
wav
el
en
gt
h
c
al
c
ul
ati
ng
a
t
4.2
G
H
z
.
T
he
wi
dt
h
(
wp)
an
d
l
en
gth
(
l
p)
of
th
e
r
a
di
ati
ng
el
em
en
t
i
s
(
1.
54
λ
0)
1
10
m
m
an
d
(
0.
15
7λ
0)
1
1.2
m
m
,
r
es
pe
c
ti
v
e
l
y
.
T
he
wi
dt
h
(
w
f
)
an
d
l
e
ng
t
h
(
l
f
)
of
th
e
r
a
di
a
ti
n
g
el
e
m
en
t
en
d
are
(
0.0
.
07
7
λ
0
)
5.5
m
m
an
d
(
0.0
75
λ
0)
5.4
m
m
,
r
es
pe
c
ti
v
el
y
as
s
ho
wn
i
n
F
i
gu
r
e
3
(
a)
.
T
he
s
am
e
di
m
en
s
i
on
’
s
f
ee
de
r
i
s
us
ed
f
or
the
ou
t
pu
t
po
r
ts
of
th
e
a
nte
n
na
.
T
he
oth
er
ou
t
pu
t
p
orts
of
t
he
L
W
A
s
are
term
i
na
te
d
b
y
us
i
ng
50
Ω
l
um
pe
d
el
em
en
t
l
oa
ds
as
r
ep
r
es
en
ted
i
n
F
i
gu
r
e
3
(
b
)
.
A
ga
p
(
S
=
0.6
m
m
)
i
s
the
en
d
of
the
f
ee
d
l
i
ne
an
d
the
c
en
t
e
r
of
f
i
r
s
t
v
i
a.
T
he
nu
m
be
r
o
f
tot
al
v
i
as
i
s
7
0
v
i
as
i
n
ea
c
h
el
em
en
t
to
c
on
ne
c
t
be
t
ween
th
e
grou
nd
an
d
r
ad
i
at
i
on
e
l
em
en
ts
.
T
he
m
eta
l
i
z
ed
v
i
a
h
ol
es
di
am
ete
r
an
d
di
s
tan
c
e
be
t
wee
n t
w
o
v
i
as
ad
j
ac
en
t c
a
n b
e
c
al
c
u
l
at
ed
us
i
ng
the
de
s
i
gn
r
u
l
es
f
r
om
(
7)
>
0
.
2
0
,
/
≤
0
.
5
(
7)
w
he
r
e
D
v
i
a
h
ol
e
di
am
ete
r
,
λ
o
f
r
ee
s
pa
c
e
wav
el
e
n
gth
a
nd
P
i
s
th
e
d
i
s
tan
c
e
be
t
w
e
en
t
wo
ad
j
a
c
en
t
v
i
as
.
R
ef
err
i
ng
t
o
(
7),
the
di
am
ete
r
of
al
l
v
i
as
i
s
0.8
m
m
an
d
the
d
i
s
tan
c
e
be
t
ween
t
wo
ad
j
ac
en
t
v
i
as
,
P
i
s
1.
5
m
m
,
the
r
a
di
us
of
probe
f
ee
d,
R
f
i
s
0.
64
m
m
i
s
us
ed
to
f
e
ed
th
e
arr
a
y
at
the
c
e
nte
r
.
T
hi
s
l
um
pe
d
el
em
en
t
l
oa
d
i
n
g
a
t
o
utp
ut
po
r
ts
i
n
order
to
pre
v
en
t
the
r
ef
l
ec
te
d
wav
es
[22
,
23
]
.
(
a)
(
b)
F
i
gu
r
e
2.
P
r
op
os
e
d H
W
-
ML
W
A
arr
a
y
:
(
a)
t
op
v
i
e
w
(
b)
f
eed
po
i
nt
a
nd
m
atc
hi
ng
l
o
a
d
Evaluation Warning : The document was created with Spire.PDF for Python.
◼
IS
S
N: 16
93
-
6
93
0
T
E
L
KO
M
NIK
A
V
ol
.
17
,
No
.
5,
O
c
tob
er 20
19
:
21
7
9
-
21
85
2182
3.
A
n
t
enn
a Op
t
imiz
atio
n
F
or
pl
a
nn
i
ng
of
the
de
s
i
gn
f
or
the
arr
a
y
h
al
f
H
W
-
ML
W
A
ex
h
i
bi
t
the
op
t
i
m
u
m
es
ti
m
ati
on
of
ev
er
y
p
aram
ete
r
f
or
ma
tc
hi
n
g
arr
a
y
an
te
nn
a
w
i
t
h
al
l
el
em
en
ts
at
the
r
an
ge
f
r
eq
ue
nc
y
,
pa
r
am
etri
c
ex
am
i
na
ti
on
s
wer
e
do
ne
uti
l
i
z
i
ng
CS
T
Mi
c
r
owav
e
S
tud
i
o.
T
he
v
ar
i
at
i
on
of
s
ub
s
tr
ate
m
ate
r
i
al
wi
t
h
the
r
ef
l
ec
t
i
on
c
oe
f
f
i
c
i
en
t
tha
t
s
ho
w
s
i
n
F
i
gu
r
e
3
T
he
d
i
e
l
ec
tr
i
c
c
on
s
tan
t
s
tea
d
y
a
t
hi
g
he
r
f
r
eq
ue
nc
y
l
am
i
na
tes
of
Roge
r
s
RT
58
80
i
s
t
he
l
o
w
es
t
of
al
l
i
tem
s
of
s
ub
s
tr
ate
s
,
an
d
l
o
w
di
e
l
ec
tr
i
c
m
i
s
f
ortune
i
nf
l
ue
nc
es
the
m
to
ap
pr
op
r
i
a
te
f
or
hi
gh
f
r
eq
ue
nc
y
/
wi
de
ba
nd
ap
p
l
i
c
at
i
o
ns
where s
c
att
erin
g a
nd
m
i
s
f
o
r
tun
es
s
ho
ul
d b
e l
i
m
i
ted
.
A
c
ha
r
ac
teri
s
ti
c
f
ea
t
ure of
th
e
s
e a
nt
en
n
as
i
s
tha
t
t
he
el
ec
tr
om
ag
ne
t
i
c
al
l
y
f
i
el
d
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w
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c
h
i
s
i
nc
i
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nt
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i
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tr
uc
ture
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c
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du
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l
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e
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od
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l
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ate
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att
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us
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R4
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ub
s
tr
ate
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al
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v
a
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a
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4
s
ub
s
tr
ate
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T
he
v
aria
ti
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l
en
gth
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s
ub
s
tr
at
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th
t
he
r
ef
l
ec
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oe
f
f
i
c
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en
t
t
ha
t
s
h
o
w
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n
F
i
gu
r
e
4
.
T
he
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t
i
m
u
m
v
al
u
e
of
th
e
l
en
gth
of
the
s
ub
s
tr
ate
i
s
λ
o/4
at
op
era
ti
on
f
r
eq
ue
nc
y
4.2
G
H
z
,
be
c
a
us
e
th
e
s
u
bs
tr
ate
ed
ge
i
s
ef
f
ec
ted
of
the
an
te
nn
a
pe
r
f
or
m
an
c
e
b
y
un
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r
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ul
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of
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r
os
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l
ari
z
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en
c
ho
os
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l
en
gth
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arter
of
a
w
a
v
e
l
en
gth
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r
om
the
l
owes
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r
eq
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nc
y
t
ha
t
i
s
l
ea
d
t
o
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ot
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r
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th
e
i
ntri
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a
.
T
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s
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d
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d
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ed
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ter
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y
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l
um
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el
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Ω
l
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s
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r
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l
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d
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m
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t
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m
pe
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s
e
e
F
i
gu
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.
A
s
s
ho
w
s
i
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t
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f
i
gu
r
e
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th
e
r
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ti
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c
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en
t
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an
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m
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a
r
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i
m
pe
da
nc
e m
atc
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l
oa
d d
ep
en
de
n
t o
f
(
8)
[24
,
25
]
=
−
+
(
8)
where Г
i
s
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e ref
l
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ti
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o
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d
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V
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11
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at
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ate
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F
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V
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1
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L)
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r
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6
r
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arie
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l
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om
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t
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r
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r
l
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ho
w
t
ha
t
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a
y
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ML
W
A
s
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f
t
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r
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th
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l
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e,
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o
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m
l
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l
p
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.
2
m
m
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at
r
es
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nc
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f
r
eq
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nc
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G
H
z
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F
i
g
ure
7
r
ep
r
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en
ts
the
v
ari
ati
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of
r
ef
l
ec
ti
on
c
oe
f
f
i
c
i
en
t
wi
th
(
l
f
)
l
en
g
th
of
f
ee
d
p
oi
n
t,
t
he
op
t
i
m
u
m
l
en
gt
h
of
f
ee
d
po
i
nt
i
s
(
l
f
=
5.5
m
m
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.
F
i
gu
r
e
8
s
ho
w
th
at
the
r
ef
l
e
c
ti
on
c
oe
f
f
i
c
i
en
t
(
S
11
)
wi
th
ga
p
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,
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ho
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e
three
v
a
l
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of
S
,
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1
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2,
S
1
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2.1
m
m
w
he
n
r
em
ov
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th
e
f
i
r
s
t
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a
an
d
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2
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m
m
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n
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e
2
v
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as
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n
ap
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pria
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S
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s
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eq
ui
r
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e
nd
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e
ed
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ne
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d
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he
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e
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r
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r
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t
o
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orc
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e
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l
as
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i
m
prov
e
i
m
pe
da
nc
e
m
atc
hi
ng
at
S
=
0.6
m
m
.
Evaluation Warning : The document was created with Spire.PDF for Python.
T
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L
KO
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A
IS
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N: 1
69
3
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93
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5
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1
1
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th
m
atc
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l
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ad
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gu
r
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6
.
V
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|
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1
1
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th
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l
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en
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th
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r
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V
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|
S
1
1
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th
(
l
f
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en
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f
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o
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nt
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i
gu
r
e
8
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|
S
1
1
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wi
th
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p
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S
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t
w
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t
he
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f
ee
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n
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n
d
the
c
en
ter of
f
i
r
s
t v
i
a
4.
Re
sult
s & D
isc
u
s
sion
F
i
gu
r
e
9
s
ho
w
s
th
e
s
c
att
erin
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p
aram
ete
r
s
11
of
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a
y
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It
h
as
a
10
dB
r
etu
r
n
-
l
os
s
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th
t
he
b
an
d
w
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dth
f
r
om
4.1
8
G
H
z
t
o
4.7
6
G
H
z
.
S
i
nc
e
t
he
arr
a
y
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s
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ed
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ts
c
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ter
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c
h
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en
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W
A
s
,
the
t
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s
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e
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ts
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om
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ne
t
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e
on
e
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am
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r
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ti
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.
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m
ai
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a
m
o
f
the
l
ea
k
y
w
a
v
e
an
t
en
na
i
n
thi
s
ap
pro
ac
h
r
a
di
at
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o
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ards
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bo
r
es
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gh
t
,
whi
c
h
i
s
g
i
v
e
n
b
y
(
1).
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he
arr
a
y
i
s
c
on
t
ai
n
thre
e
po
r
t
l
ef
t
an
d
r
i
gh
t
po
r
t
i
s
l
oa
d
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b
y
m
atc
hi
n
g
l
oa
d
50
Ω
an
d
p
ro
b
f
ed
at
i
ts
c
en
ter
of
p
r
op
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ed
de
s
i
gn
.
W
he
n
the
t
w
o
i
de
nt
i
c
al
be
am
s
are
ad
d
ed
tog
eth
er
the
r
es
ul
t
i
s
a
b
ores
i
g
ht
b
ea
m
.
A
l
l
the
a
nte
n
na
s
r
a
di
ate
wav
e
s
th
at
are
l
i
ne
arl
y
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l
ari
z
e
d
an
d
the
r
es
ul
tan
t
be
am
i
s
al
s
o
l
i
n
ea
r
l
y
p
ol
ari
z
ed
.
T
he
arr
a
y
r
ad
i
at
es
to
w
ard
t
he
bo
r
es
i
gh
t
f
r
om
4.1
8
G
H
z
t
o
4.
5
6
G
H
z
wi
t
h
a
g
ai
n
gre
ate
r
th
an
9
d
B
i
.
B
e
y
o
nd
4.
5
6
G
H
z
th
e
be
am
s
hi
f
t
s
aw
a
y
f
r
o
m
the
bo
r
es
i
gh
t.
T
ha
t
i
s
ha
pp
en
e
d
bec
a
us
e
th
e
ab
s
ol
ut
e
v
al
ue
of
propa
ga
t
i
on
c
on
s
ta
nt
(
β
/k
o
)
v
ar
i
at
i
on
wi
th
f
r
eq
ue
nc
y
a
nd
c
o
ns
eq
u
en
t
l
y
s
o
do
es
t
he
m
ai
n
be
a
m
di
r
ec
ti
on
.
W
he
n
an
i
nc
r
ea
s
e
of
fr
eq
ue
nc
y
,
the
m
ai
n
be
am
s
s
hi
f
ti
ng
awa
y
f
r
o
m
the
bo
r
es
i
g
ht
di
r
ec
ti
on
.
W
he
n
the
v
al
ue
of
θ
i
s
hi
g
h
,
the
be
a
m
s
d
o
no
t
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orm
a
s
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l
e
b
ea
m
on
bo
r
es
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gh
t
.
T
he
pe
ak
ga
i
n
wi
th
i
n
t
he
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r
es
i
g
ht
b
ea
m
r
ad
i
ati
on
ba
nd
i
s
9.
91
d
B
i
an
d
th
e
ba
nd
wi
dth
of
the
arr
a
y
i
s
4
82
MH
z
(
4.1
8
G
Hz
t
o
4.7
6
G
H
z
)
.
A
l
tho
u
gh
the
r
et
urn
l
os
s
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the
arr
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y
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s
l
es
s
tha
n
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dB
b
el
o
w
4.2
5
G
H
z
t
h
e
arr
a
y
s
ti
l
l
r
a
di
a
tes
to
w
ar
ds
the
bo
r
es
i
gh
t
wi
th
a
ga
i
n
greate
r
t
ha
n
9
d
B
i
.
F
i
gu
r
e
10
r
ep
r
es
en
t
s
the
3D
r
ad
i
at
i
o
n
pa
tt
ern
of
the
an
ten
na
at
4.
2
G
H
z
.
T
he
r
ad
i
at
i
o
n
ef
f
i
c
i
en
c
y
of
the
H
W
-
ML
W
A
arr
a
y
i
s
great
er
tha
n
86
%
ov
er
th
e
3d
B
ga
i
n
ba
n
d
w
i
d
th.
A
bo
v
e
4.2
G
H
z
to
tal
ef
f
i
c
i
en
c
y
i
s
m
ore
tha
n
85
%.
Ho
we
v
e
r
,
the
tot
a
l
ef
f
i
c
i
en
c
y
i
s
l
o
wer
at
l
o
wer
Evaluation Warning : The document was created with Spire.PDF for Python.
◼
IS
S
N: 16
93
-
6
93
0
T
E
L
KO
M
NIK
A
V
ol
.
17
,
No
.
5,
O
c
tob
er 20
19
:
21
7
9
-
21
85
2184
f
r
eq
ue
nc
i
es
;
f
or
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am
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a
t
4.
1
G
H
z
an
d
4.
18
G
H
z
i
t
i
s
63
%
an
d
5
2%,
r
es
pe
c
ti
v
e
l
y
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d
ue
to
the
po
or i
m
pe
da
nc
e m
atc
h a
t t
he
s
e f
r
eq
ue
nc
i
es
.
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i
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r
e
11
de
m
on
s
tr
ate
s
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de
l
i
be
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ate
E
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p
l
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ne
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REC
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