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p
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w
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s
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A
r
ab
ic
v
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w
el
s
E
n
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g
y
Fo
r
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s
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2
0
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In
stit
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te o
f
A
d
v
a
n
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d
E
n
g
i
n
e
e
rin
g
a
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e
.
Al
l
rig
h
ts
re
se
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e
d
.
C
o
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s
p
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nd
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A
uth
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r
:
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i
m
T
ah
ir
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MI
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L
ab
o
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ato
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y
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Facu
lt
y
o
f
S
cien
ce
s
&
T
ec
h
n
ic
s
,
Un
i
v
er
s
it
y
Has
s
an
First,
FS
T
o
f
Settat,
K
m
3
,
B
.
P
: 5
7
7
R
o
ad
o
f
C
asab
lan
ca
,
Set
tat,
Mo
r
o
cc
o
.
E
m
ail:
k
ar
i
m
.
ta
h
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y
@
g
m
ail.
co
m
1.
I
NT
RO
D
UCT
I
O
N
T
h
e
p
r
o
d
u
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n
o
f
a
v
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s
ch
ar
ac
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ized
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m
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o
f
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ac
t
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it
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n
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tr
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r
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s
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.
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p
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io
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ic
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ib
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ati
o
n
o
f
th
e
v
o
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l
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s
,
w
h
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c
h
ar
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ter
ize
v
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s
o
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n
d
s
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w
a
y
s
ac
co
m
p
an
ie
s
th
is
p
r
o
d
u
ctio
n
[
1
]
.
T
h
e
s
ta
n
d
ar
d
A
r
ab
ic
la
n
g
u
a
g
e
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as
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els,
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t
(
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u
/)
a
n
d
th
r
ee
lo
n
g
(
/
a:/,
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,
/
u
:/)
[
2
]
.
T
h
ese
v
o
w
e
ls
d
i
f
f
er
f
r
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m
t
h
o
s
e
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f
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.
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ter
m
s
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ca
lic
q
u
an
tit
y
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h
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ch
ar
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o
f
v
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b
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p
er
f
o
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m
ed
in
ter
m
s
o
f
ti
m
e,
f
r
eq
u
en
c
y
an
d
e
n
er
g
y
.
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m
ik
o
T
s
u
k
ad
a
(
2
0
0
9
)
s
tu
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ied
th
e
ti
m
e
c
h
ar
ac
ter
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o
f
v
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w
el
s
.
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p
r
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ted
a
co
m
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ar
ativ
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s
tu
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y
b
et
w
ee
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lo
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g
an
d
s
h
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t
v
o
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i
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Sta
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d
ar
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ic,
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ap
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ese
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d
T
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ai
.
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r
ep
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ted
th
at
th
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d
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r
ati
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o
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lo
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g
v
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w
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s
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t
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d
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le
o
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h
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r
t
v
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w
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r
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also
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d
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if
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o
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th
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th
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lan
g
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ag
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s
[
3
]
.
A
l
g
h
a
m
id
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(
1
9
9
8
)
co
n
d
u
cted
a
co
m
p
ar
ativ
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s
tu
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y
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t
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ter
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if
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t
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s
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ian
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m
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b
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g
v
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w
el
s
i
n
cl
u
d
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t
h
e
s
h
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t
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n
e
s
[
2
]
,
[
4
]
.
A
lo
taib
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a
n
d
H
u
s
s
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in
(
2
0
0
9
)
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f
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m
a
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s
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ar
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A
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ab
ic.
T
h
e
y
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f
ir
m
ed
th
at
th
e
lo
n
g
v
o
w
els
f
o
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m
a
n
ts
F1
an
d
F2
ar
e
p
er
ip
h
er
al
to
th
o
s
e
o
f
s
h
o
r
t
o
n
es
.
T
h
e
y
al
s
o
s
h
o
w
ed
th
a
t
th
e
v
al
u
es
o
f
t
h
e
f
o
r
m
a
n
ts
F1
an
d
F2
h
elp
to
class
i
f
y
t
h
e
v
o
w
el
s
:
th
e
v
o
w
el
/
a
/
an
d
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ar
e
ch
ar
ac
ter
ized
b
y
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ig
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f
F1
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5
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0
Hz)
an
d
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d
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h
av
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a
h
ig
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v
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e
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f
F2
(
F2
>1
5
0
0
Hz)
[
5
]
.
Sa
w
u
s
c
h
(
1
9
9
6
)
in
v
e
s
ti
g
ated
t
h
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f
f
ec
t
s
o
f
d
u
r
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n
o
n
v
o
w
el
p
er
ce
p
tio
n
in
n
o
r
m
al
Am
er
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n
-
E
n
g
li
s
h
s
p
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k
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s
.
He
s
u
m
m
ar
ized
th
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v
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d
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w
a
s
n
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t
a
s
tr
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p
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p
tu
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to
v
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s
o
f
in
f
o
r
m
at
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w
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e
d
is
to
r
ted
[
6
]
.
Mo
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am
m
ad
A
b
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a
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Oli
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C
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ex
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p
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eter
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r
J
o
r
d
an
ian
A
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T
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Evaluation Warning : The document was created with Spire.PDF for Python.
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8708
I
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Vo
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9
,
No
.
2
,
A
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201
9
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1167
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th
at
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len
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o
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s
p
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[
7
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.
I
n
th
i
s
w
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k
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w
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ter
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h
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tu
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ar
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m
eter
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u
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in
:
v
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p
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it
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d
s
.
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p
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o
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cr
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eth
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d
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d
to
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x
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2.
M
E
T
H
O
D
2.
1
.
Co
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W
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co
n
s
tr
u
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a
co
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p
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s
o
f
A
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ic
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a
g
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t
co
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s
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t
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s
h
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t
an
d
lo
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g
v
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w
el
s
.
Fi
v
e
Mo
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p
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(
t
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ale
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n
d
t
w
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m
ale)
w
er
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i
n
v
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to
p
r
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n
o
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s
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llab
les
C
V
(
C
:
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t
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d
V:
v
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w
it
h
s
h
o
r
t
an
d
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a
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a
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t
C
a
s
s
o
ciate
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w
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V
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,
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A
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m
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2.
2
.
F
o
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m
a
nts e
x
t
ra
ct
io
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e
t
ho
d
T
o
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n
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tr
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ct
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r
co
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s
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w
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u
s
ed
th
e
v
o
ca
l
s
o
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n
d
s
p
r
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ce
s
s
to
o
l
"P
r
aa
t
"
to
ac
h
ie
v
e
o
u
r
r
ec
o
r
d
s
in
a
n
o
is
e
-
is
o
lated
r
o
o
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,
w
it
h
a
s
a
m
p
lin
g
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r
eq
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e
n
c
y
o
f
2
2
0
5
0
H
z.
W
e
u
s
ed
“
P
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o
late
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d
d
eter
m
in
e
th
e
d
u
r
atio
n
o
f
ea
c
h
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o
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el.
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e
u
s
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r
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ac
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h
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Fig
u
r
e
1
s
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o
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tr
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t
m
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t th
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Fig
u
r
e
1
.
C
h
ar
t o
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etec
tio
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p
r
o
ce
d
u
r
e
o
f
f
o
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m
an
ts
w
it
h
L
P
C
[
8
]
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
-
8708
E
n
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(
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h
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i
)
1165
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ata
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led
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en
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f
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ll
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f
icie
n
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s
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ted
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Ha
m
m
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p
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r
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.
2.
3
.
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f
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nts
T
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at
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1
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m
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.
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ac
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5
1
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t
f
ast
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ier
tr
an
s
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m
(
FF
T
)
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th
en
co
m
p
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ted
.
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h
e
m
ag
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p
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r
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n
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ar
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ted
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:
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b
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(
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er
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f
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m
a
n
t i
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d
ex
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h
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r
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k
r
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g
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f
r
o
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th
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DFT
in
d
ices
r
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t
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g
th
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d
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p
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t.
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e
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y
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alcu
lated
b
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:
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(n
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(
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er
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d
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e
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r
m
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n
t e
n
er
g
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i
n
th
e
f
r
a
m
e
n
.
3.
RE
SU
L
T
S
Fig
u
r
e
2
r
ep
r
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t
s
p
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tr
o
g
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s
o
f
s
h
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d
lo
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e
ls
.
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t
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n
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e
s
ee
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th
at
b
o
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s
h
o
r
t
an
d
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e
v
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s
o
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n
d
s
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e
n
if
t
h
e
d
u
r
atio
n
p
r
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d
u
ctio
n
o
f
lo
n
g
v
o
w
e
ls
i
n
cr
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s
es.
Fig
u
r
e
2
.
L
o
n
g
v
o
w
el
s
/
AA
/ /I
I
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UU
/ sp
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o
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r
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s
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o
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i
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ize
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e
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t o
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ar
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tr
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lated
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g
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et
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e
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er
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g
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W
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p
er
f
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ed
t
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e
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a
m
e
w
a
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to
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lc
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late
t
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er
g
y
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ar
iatio
n
co
n
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n
ed
in
F1
an
d
F2
b
an
d
s
.
Fig
u
r
e
3
s
h
o
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th
a
t
th
e
d
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r
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n
o
f
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ten
t
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t
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o
f
Alg
h
a
m
d
i [
2
]
,
T
s
u
k
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a
[
3
]
A
lo
taib
i [
5
]
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8708
I
n
t J
E
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&
C
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p
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n
g
,
Vo
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9
,
No
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2
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9
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1167
1166
Fig
u
r
e
4
s
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ie
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ee
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th
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er
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y
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n
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d
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h
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ite
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I
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s
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th
a
t
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g
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h
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h
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r
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w
e
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h
at
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h
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Fig
u
r
e
5
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h
o
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th
e
v
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iatio
n
o
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en
er
g
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n
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d
.
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e
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at
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s
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n
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r
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Evaluation Warning : The document was created with Spire.PDF for Python.
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[1
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A
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[2
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[4
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b
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ra
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.
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G
a
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2
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8
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4
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sin
c
e
2
0
1
4
.
M
e
m
b
e
r
o
f
En
g
in
e
e
rin
g
,
m
e
c
h
a
n
ica
l,
In
d
u
strial
M
a
n
a
g
e
m
e
n
t
a
n
d
In
n
o
v
a
ti
o
n
(IM
M
II)
lab
o
ra
to
ry
.
His
re
s
e
a
rc
h
in
tere
s
ts
in
c
lu
d
e
sp
e
e
c
h
re
c
o
g
n
it
i
o
n
,
sig
n
a
l
p
ro
c
e
ss
in
g
a
n
d
se
c
u
rit
y
o
f
V
o
I
P
n
e
tw
o
rk
s.
B
a
d
ia
M
o
u
n
ir
w
a
s
b
o
rn
in
Ca
sa
b
lan
c
a
,
M
o
ro
c
c
o
,
in
1
9
6
8
.
En
g
in
e
e
r
d
e
g
re
e
(1
9
9
2
)
in
“
A
u
to
m
a
ti
c
a
n
d
In
d
u
str
ial
c
o
m
p
u
ti
n
g
”
,
T
h
e
M
o
h
a
m
m
a
d
ia
S
c
h
o
o
l
o
f
e
n
g
in
e
e
rin
g
,
Ra
b
a
t,
M
o
ro
c
c
o
.
A
ss
istan
t
P
r
o
f
e
ss
o
r
a
t
G
ra
d
u
a
te
S
c
h
o
o
l
o
f
T
e
c
h
n
o
l
o
g
y
,
Un
iv
e
rsit
y
Ca
d
i
Ay
y
a
d
sin
c
e
1
9
9
2
.
Ha
b
il
it
a
d
e
d
to
su
p
e
rv
ise
r
e
se
a
rc
h
(HD
R)
sin
c
e
2
0
0
7
a
n
d
p
ro
f
e
ss
o
r
o
f
h
ig
h
e
r
e
d
u
c
a
ti
o
n
(P
E
S
)
sin
c
e
2
0
1
7
.
M
e
m
b
e
r
o
f
L
a
b
o
ra
to
ry
o
f
P
ro
c
e
ss
,
S
ig
n
a
ls,
In
d
u
strial
S
y
s
te
m
s,
in
f
o
r
m
a
ti
c
(LA
P
S
S
II)
L
a
b
o
ra
to
ry
.
He
r
re
se
a
rc
h
in
tere
sts
in
c
lu
d
e
sp
e
e
c
h
re
c
o
g
n
it
io
n
,
sig
n
a
l
p
ro
c
e
ss
in
g
,
e
n
e
rg
y
o
p
ti
m
iza
ti
o
n
a
n
d
m
o
d
e
li
n
g
.
Ahm
e
d
M
O
UH
S
EN
wa
s
b
o
rn
in
M
a
y
1
9
6
0
.
He
re
c
e
iv
e
d
th
e
P
h
.
D.
d
e
g
re
e
in
e
lec
tro
n
ics
f
ro
m
th
e
Un
iv
e
rsity
o
f
Bo
rd
e
a
u
x
I,
F
ra
n
c
e
.
He
is
c
u
rre
n
tl
y
a
P
r
o
f
e
ss
o
r
o
f
El
e
c
tro
n
ics
i
n
F
S
T
S
u
n
iv
e
rsity
Ha
s
sa
n
1
st
S
e
tt
a
t
M
o
r
o
c
c
o
.
He
is
i
n
v
o
lv
e
d
i
n
th
e
d
e
sig
n
o
f
h
y
b
rid
,
a
c
ti
v
e
,
a
n
d
p
a
ss
iv
e
m
icro
w
a
v
e
e
le
c
tro
n
ic circ
u
it
s,
d
ig
it
a
l
sy
st
e
m
s an
d
Io
T
.
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