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m
s
.
T
h
e
p
o
w
er
h
ar
m
o
n
ic
s
ex
h
ib
it
d
i
f
f
er
en
t
u
n
d
es
ir
ab
le
co
n
s
eq
u
e
n
c
es
i
n
t
h
e
d
is
tr
ib
u
t
io
n
s
y
s
te
m
[
7
]
.
T
h
e
h
ar
m
o
n
ic
w
av
e
f
o
r
m
s
ca
u
s
e
v
a
r
io
u
s
i
s
s
u
es
l
ik
e
v
o
ltag
e
d
is
to
r
tio
n
,
h
i
g
h
er
v
o
ltag
e
s
tr
es
s
es,
r
esi
s
ti
v
e
lo
s
s
e
s
,
lo
w
er
m
o
to
r
p
r
o
f
icien
c
y
,
etc.
,
in
th
e
p
o
w
er
s
y
s
te
m
.
Var
io
u
s
h
ar
m
o
n
ic
s
g
en
er
atin
g
d
e
v
ices
h
a
v
e
m
ad
e
p
o
w
er
m
a
n
a
g
e
m
e
n
t
r
eq
u
ir
e
m
en
ts
.
A
h
ar
m
o
n
ic
is
g
en
er
ated
d
u
e
to
t
h
e
ab
n
o
r
m
al
b
eh
av
io
r
o
f
lo
ad
an
d
also
d
em
a
n
d
s
t
h
e
co
n
tr
o
l
o
v
er
t
h
e
s
e
h
ar
m
o
n
ics.
T
h
e
s
ig
n
i
f
ica
n
t
w
a
y
to
m
a
in
ta
in
t
h
ese
asp
ec
ts
i
s
b
y
u
s
i
n
g
t
h
e
co
m
b
in
at
io
n
o
f
A
P
F
f
o
r
h
ar
m
o
n
ic
s
u
p
p
r
ess
io
n
an
d
h
ar
m
o
n
ic
co
m
p
e
n
s
atio
n
.
T
h
e
A
P
F
i
s
a
m
o
r
e
p
r
o
m
in
e
n
t
s
o
l
u
tio
n
b
ec
au
s
e
it
r
ed
u
ce
s
b
o
th
R
P
an
d
H
C
a
n
d
is
s
m
al
ler
in
s
ize
an
d
d
o
es
n
'
t
n
e
ed
an
y
p
r
er
eq
u
is
ites
as
i
n
P
F
[
7
]
.
T
h
e
SR
F
b
ased
ap
p
r
o
ac
h
es
w
er
e
u
s
ed
to
d
iv
id
e
HC
a
n
d
RP
,
b
y
w
h
ic
h
g
o
o
d
p
o
w
er
q
u
alit
y
,
ca
n
b
e
ac
h
iev
ed
.
B
u
t,
it
n
ee
d
s
p
r
o
p
er
s
y
n
c
h
r
o
n
izatio
n
b
et
w
ee
n
t
h
e
u
tili
t
y
v
o
ltag
e
an
d
in
p
u
t
c
u
r
r
en
t.
Hen
ce
,
D
SP
an
d
o
th
er
s
o
f
t
w
ar
e
-
b
ased
m
ec
h
an
i
s
m
s
w
er
e
u
s
ed
th
at
ca
u
s
es
co
m
p
u
tatio
n
al
co
m
p
lex
i
t
y
,
lo
w
/li
m
i
ted
s
a
m
p
li
n
g
r
ate
a
n
d
less
ac
c
u
r
ac
y
.
As
th
e
s
e
m
ec
h
an
is
m
s
co
n
s
u
m
e
h
i
g
h
er
C
P
U
ti
m
e
t
h
at
ca
u
s
e
s
co
m
p
u
tatio
n
a
l
lat
en
c
y
[
8]
,
[9
]
.
T
h
u
s
,
r
ec
en
tl
y
AFs
p
r
o
p
o
s
ed
b
y
i
m
p
le
m
en
t
in
g
t
h
e
m
u
lti
-
d
i
m
e
n
s
io
n
al
DSP
.
T
h
e
co
n
tr
o
l
alg
o
r
ith
m
s
w
er
e
u
s
ed
w
it
h
s
in
g
l
e
-
DSP
in
lo
w
p
as
s
f
ilter
(
L
P
F)
f
o
r
lo
w
s
a
m
p
li
n
g
r
ate
an
d
ti
m
e
d
ela
y
co
m
p
en
s
at
io
n
.
T
h
ese
i
m
p
le
m
en
ted
m
e
th
o
d
s
ca
n
b
r
i
n
g
m
o
r
e
h
ar
d
w
ar
e
co
m
p
licatio
n
an
d
s
o
f
t
w
ar
e
d
esig
n
p
atter
n
s
a
n
d
also
in
m
a
n
y
o
f
th
e
ca
s
es
ca
u
s
e
s
th
e
ac
cu
r
ac
y
an
d
p
er
f
o
r
m
a
n
ce
is
s
u
e.
I
n
th
i
s
p
ap
er
,
a
FP
GA
b
ased
m
ec
h
a
n
i
s
m
s
f
o
r
A
P
F p
er
f
o
r
m
an
ce
en
h
a
n
ce
m
e
n
t i
s
p
r
esen
te
d
.
T
h
e
p
ap
er
is
co
m
p
o
s
ed
o
f
v
ar
io
u
s
s
ec
tio
n
s
li
k
e
Sect
io
n
2
g
i
v
es
A
P
F
s
y
s
te
m
co
n
f
ig
u
r
atio
n
.
Sectio
n
3
g
i
v
es
th
e
p
r
o
b
le
m
d
escr
ip
tio
n
.
Sectio
n
4
g
i
v
es
t
h
e
r
esear
ch
m
et
h
o
d
o
lo
g
y
o
f
FP
GA
i
m
p
la
n
tatio
n
in
A
P
F.
Sectio
n
5
al
g
o
r
ith
m
s
i
m
p
le
m
en
ta
tio
n
an
d
t
h
e
S
ec
ti
o
n
6
g
iv
es
r
es
u
lt
s
an
al
y
s
i
s
,
an
d
co
n
clu
s
io
n
o
f
t
h
e
p
ap
er
is
ex
p
lain
ed
w
ith
t
h
e
s
ig
n
i
f
ica
n
ce
o
f
t
h
e
p
r
o
p
o
s
ed
m
et
h
o
d
in
s
ec
tio
n
7
.
2.
O
P
E
RAT
I
N
G
P
RINC
I
P
L
E
O
F
AP
F
T
h
e
cu
r
r
en
t
p
o
w
er
s
y
s
te
m
b
as
ed
in
d
u
s
tr
ies
u
s
e
s
o
m
e
s
e
m
ic
o
n
d
u
cto
r
b
ased
d
ev
ices
in
f
u
r
n
ac
es,
u
n
-
in
ter
r
u
p
ted
p
o
w
er
s
u
p
p
lies
(
U
P
S),
co
m
p
u
ter
-
p
o
w
er
s
u
p
p
lies
,
etc.
T
h
ese
d
ev
ices
w
er
e
w
id
el
y
u
s
ed
b
ec
au
s
e
o
f
th
er
e
lo
w
co
s
t,
f
lex
ib
ilit
y
,
e
n
e
r
g
y
e
f
f
ic
ien
c
y
an
d
also
b
r
in
g
t
h
e
i
m
p
r
o
v
e
m
e
n
t
in
t
h
e
p
o
w
er
q
u
alit
y
b
y
r
ed
u
c
in
g
HC
an
d
u
tili
zi
n
g
R
P
.
B
u
t,
th
e
s
e
p
r
o
ce
s
s
es
ca
n
ca
u
s
e
r
eso
n
a
n
ce
is
s
u
e,
g
en
er
atio
n
o
f
m
o
r
e
n
eu
tr
al
c
u
r
r
en
t,
lo
w
p
o
w
er
-
f
ac
to
r
,
etc.
T
h
u
s
,
P
F
w
a
s
p
r
esen
ted
to
s
o
lv
e
t
h
e
s
e
HC
a
n
d
R
P
is
s
u
e
s
ca
u
s
ed
d
u
e
to
n
o
n
-
li
n
ea
r
lo
ad
.
B
u
t,
P
Fs
g
o
t
lar
g
er
s
ize
an
d
r
eso
n
an
ce
is
s
u
e
s
.
L
ater
,
t
h
e
AP
Fs
w
er
e
p
r
esen
ted
to
s
o
l
v
e
t
h
e
li
m
ita
tio
n
s
o
f
th
e
P
F
an
d
b
r
in
g
th
e
i
m
p
r
o
v
e
m
e
n
t
in
th
e
p
o
w
er
q
u
al
it
y
.
T
h
e
m
ain
s
ig
n
i
f
ica
n
ce
o
f
AF
o
v
er
t
h
e
P
F
is
th
a
t
it
h
as
s
m
al
ler
s
ize
an
d
m
o
r
e
f
lex
ib
le
f
u
n
ctio
n
al
ap
p
licatio
n
s
[
1
0
]
.
2.
1.
AP
F
Co
nfig
ura
t
io
n
T
h
e
Fig
u
r
e
1
,
i
n
d
i
ca
ted
w
ith
th
e
S
R
F
m
ec
h
an
i
s
m
[
1
1
-
13
]
b
ased
s
y
s
te
m
co
n
f
ig
u
r
atio
n
o
f
A
P
F
an
d
th
e
b
lo
ck
s
o
f
i
t a
r
e
ex
p
lain
ed
b
elo
w
.
a.
Dis
to
r
tio
n
d
etec
tio
n
:
T
h
e
b
lo
ck
co
n
ta
in
s
R
P
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n
d
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a
s
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u
r
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t
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th
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d
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to
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ted
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m
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s
o
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r
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i.e
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,
abc
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Vo
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So
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I
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r
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r
i
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b.
P
h
ase
L
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L
o
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p
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P
L
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:
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P
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L
m
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m
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ase
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c
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T
h
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d.
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T
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k
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t
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I
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v
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as v
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.
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(
1
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L
ater
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th
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abc
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f
c
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o
m
e
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s
i
m
ilar
to
r
i
r
ea
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m
p
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n
s
atio
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f
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th
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o
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g
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w
h
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s
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ce
cu
r
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n
t
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n
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ase
w
i
th
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o
lta
g
es.
T
h
e
s
y
s
t
e
m
i
n
th
e
f
ig
u
r
e.
3
,
w
it
h
lo
ad
p
ar
a
m
eter
s
i
n
A
P
F,
w
il
l le
ad
to
u
n
i
t
y
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er
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to
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d
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tal
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ar
m
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ic
d
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to
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tio
n
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T
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T
h
e
d
c
v
o
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e
r
e
g
u
la
to
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ca
n
b
e
tak
e
n
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to
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n
s
id
er
atio
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a
n
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o
u
tp
u
t
cu
r
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en
t
dc
i
ca
n
b
e
g
en
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ated
,
w
h
ich
d
ep
en
d
s
o
n
th
e
d
if
f
er
en
ce
b
et
w
ee
n
t
h
e
r
ef
er
en
ce
v
o
ltag
e
r
e
f
v
an
d
d
c
-
b
u
s
v
o
l
tag
e
bc
v
.
I
n
ca
s
e
o
f
f
lu
ct
u
atio
n
i
n
d
c
v
o
ltag
e
o
cc
u
r
s
,
th
e
n
r
eg
u
lato
r
s
tar
t
s
co
n
tr
o
llin
g
R
P
tr
an
s
f
er
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n
d
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ec
eiv
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b
et
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n
d
c
ca
p
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d
ac
g
r
id
to
attai
n
co
n
s
ta
n
t
d
c
v
o
lta
g
e.
T
h
e
ze
r
o
s
eq
u
en
ce
z
i
co
m
p
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n
e
n
ts
co
m
p
en
s
ate
t
h
e
ze
r
o
s
eq
u
e
n
ce
c
u
r
r
e
n
t
i
n
3
φ
,
4
-
w
ir
e
s
y
s
te
m
s
,
an
d
ar
e
ze
r
o
in
th
i
s
ap
p
licatio
n
[
1
4
].
3.
P
RO
B
L
E
M
I
DE
NT
I
F
I
CA
T
I
O
N
I
n
th
e
p
o
w
er
d
is
tr
ib
u
tio
n
s
y
s
t
e
m
,
t
h
e
RP
a
n
d
th
e
HC
m
a
y
o
f
f
er
s
o
m
e
o
f
t
h
e
s
er
io
u
s
i
s
s
u
es
ca
u
s
in
g
tr
an
s
f
o
r
m
er
h
ea
t
in
g
,
li
n
e
lo
s
s
e
s
,
m
al
f
u
n
ct
io
n
i
n
g
o
f
p
o
w
er
eq
u
ip
m
e
n
t
a
n
d
m
ac
h
i
n
e
v
ib
r
atio
n
.
Var
io
u
s
co
n
tr
o
l
m
ec
h
a
n
i
s
m
s
w
er
e
e
x
a
m
i
n
ed
f
r
o
m
w
h
ic
h
S
y
n
c
h
r
o
n
o
u
s
R
e
f
e
r
en
ce
Fra
m
e
(
SR
F)
f
o
r
co
n
tr
o
l
alg
o
r
it
h
m
m
a
k
e
s
s
ig
n
i
f
ica
n
t
r
esu
lts
w
it
h
s
i
m
p
l
e
i
m
p
le
m
e
n
tat
io
n
an
d
e
f
f
ic
ien
t
r
esp
o
n
s
e.
T
h
is
alg
o
r
ith
m
o
f
f
er
s
th
e
ca
p
ab
ilit
y
of
d
ec
o
m
p
o
s
itio
n
o
r
s
ep
ar
at
io
n
o
f
th
e
R
P
an
d
HC
.
A
l
s
o
,
th
ese
al
g
o
r
ith
m
s
d
e
m
an
d
u
ti
lit
y
v
o
lta
g
e
p
h
a
s
e
in
f
o
r
m
atio
n
b
y
w
h
ic
h
n
ec
es
s
i
t
y
o
f
s
y
n
ch
r
o
n
izer
f
o
r
b
etter
s
y
n
ch
r
o
n
izatio
n
o
f
S
-
C
w
ith
t
h
e
u
tili
t
y
v
o
lta
g
es.
Var
io
u
s
alg
o
r
it
h
m
s
s
u
ch
as
p
r
o
tectio
n
m
o
d
u
le,
d
c
v
o
ltag
e
r
eg
u
la
to
r
,
an
alo
g
to
d
ig
ital
(
A
-
D
)
co
n
v
er
ter
d
r
iv
er
s
an
d
d
ir
ec
ted
-
c
u
r
r
en
t
(
d
-
c)
co
n
tr
o
ller
,
etc.
,
n
ee
d
to
b
e
u
s
e
d
f
o
r
s
y
n
ch
r
o
n
iza
tio
n
.
T
h
e
a
b
o
v
e
p
r
o
ce
s
s
lead
s
d
ig
ital
co
n
tr
o
ller
r
ea
lizatio
n
i
n
a
s
y
s
te
m
h
a
v
i
n
g
h
i
g
h
s
a
m
p
li
n
g
r
ate.
T
h
e
DSP
b
ased
an
d
o
th
er
s
o
f
t
w
ar
e
-
b
ased
m
ec
h
a
n
i
s
m
s
p
r
o
v
id
e
allo
w
ab
l
e
f
le
x
ib
ilit
y
a
n
d
co
m
p
u
tatio
n
al
ab
ilit
y
.
T
h
e
i
m
p
le
m
en
tatio
n
o
f
th
e
s
e
s
y
s
te
m
s
w
it
h
co
n
tr
o
l
alg
o
r
it
h
m
co
n
s
u
m
es
h
ig
h
er
C
P
U
ti
m
e
ca
u
s
i
n
g
co
m
p
u
tatio
n
late
n
c
y
.
A
l
s
o
,
AP
F
w
it
h
m
u
lti
-
DSP
o
r
s
in
g
le
-
D
SP
w
er
e
u
s
ed
b
u
t
w
h
ic
h
lead
s
lo
w
s
a
m
p
li
n
g
r
ate
an
d
ti
m
e
d
ela
y
co
m
p
e
n
s
a
tio
n
a
m
o
n
g
th
e
lo
w
p
o
w
er
f
ilter
(
L
P
F
)
.
T
h
e
ab
o
v
e
m
et
h
o
d
ca
u
s
es
th
e
co
m
p
lica
tio
n
d
u
r
in
g
d
es
ig
n
i
n
g
s
o
f
t
w
ar
e
a
n
d
h
ar
d
w
ar
e
t
h
at
m
a
y
i
n
j
ec
t
th
e
r
ed
u
ctio
n
o
f
co
m
p
e
n
s
atio
n
ac
cu
r
ac
y
a
n
d
A
P
F
p
er
f
o
r
m
an
ce
.
T
h
u
s
,
t
h
e
i
m
p
le
m
en
tati
o
n
o
f
FP
G
A
b
ased
co
n
tr
o
l
alg
o
r
ith
m
s
w
ill
e
x
e
cu
te
all
t
h
e
ab
o
v
e
-
s
ta
ted
p
r
o
ce
d
u
r
es/s
tep
s
s
i
m
u
lta
n
eo
u
s
l
y
w
it
h
h
ar
d
w
ar
e
i
m
p
le
m
en
ta
tio
n
.
4.
RE
S
E
ARCH
M
E
T
H
O
DO
L
O
G
Y
I
n
th
is
,
a
s
y
s
te
m
i
s
p
r
esen
ted
b
ased
o
n
FP
GA
(
Fig
u
r
e
3)
.
Ho
w
e
v
er
,
th
e
m
o
r
e
d
if
f
ic
u
lt
is
s
u
e
is
h
o
w
to
r
ed
u
ce
th
e
n
u
m
b
er
o
f
f
u
n
ctio
n
al
u
n
it
s
(
s
u
c
h
as
ad
d
er
s
,
d
iv
id
er
s
,
an
d
m
u
ltip
lier
s
t
h
at
ar
e
th
e
b
ig
is
s
u
es
f
o
r
th
e
f
i
n
ite
h
ar
d
w
ar
e
r
eso
u
r
ce
o
f
F
P
GA
)
.
I
n
th
i
s
,
th
e
b
asic
s
i
g
n
a
l
-
p
r
o
ce
s
s
i
n
g
b
lo
ck
s
o
f
an
A
P
F:
th
r
ee
-
p
h
ase
P
L
L
,
an
d
cu
r
r
en
t d
ir
ec
ted
co
n
tr
o
ller
ar
e
d
is
cu
s
s
ed
.
D
i
r
e
c
t
e
d
c
u
r
r
e
n
t
c
o
n
t
r
o
l
l
e
r
T
h
r
e
e
p
h
a
s
e
t
o
t
w
o
p
h
a
s
e
S
e
c
t
o
r
d
e
t
e
r
m
i
n
a
t
i
o
n
(
D
e
c
o
d
e
r
)
M
a
g
n
i
t
u
d
e
d
e
t
e
r
m
i
n
a
t
i
o
n
S
w
i
t
c
h
i
n
g
t
a
b
l
e
P
W
M
s
i
g
n
a
l
s
P
L
L
s
y
s
t
e
m
V
d
t
r
a
n
s
P
I
C
o
n
t
r
o
l
l
e
r
T
r
a
n
s
S
i
n
e
w
a
v
e
(
S
i
n
e
t
a
b
l
e
)
P
o
s
t
p
r
o
c
e
s
s
i
n
g
F
ig
u
re
3
.
T
h
e
p
ro
p
o
se
d
sy
ste
m
a
r
c
h
it
e
c
tu
re
Evaluation Warning : The document was created with Spire.PDF for Python.
I
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t J
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&
C
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p
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693
4
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P
ha
s
e
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Sy
s
t
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m
A
P
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ar
e
i
n
s
tal
led
at
t
h
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p
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t
w
i
th
a
s
ig
n
i
f
ica
n
t
d
e
g
r
ee
o
f
v
o
ltag
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d
is
to
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tio
n
ca
u
s
ed
b
y
n
o
n
lin
ea
r
lo
ad
s
an
d
A
P
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t
h
e
m
s
el
v
es.
T
h
er
ef
o
r
e,
th
e
q
u
alit
y
o
f
v
o
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g
e
p
h
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e
i
n
f
o
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m
atio
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e
d
f
r
o
m
t
h
e
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ier
is
v
er
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cr
u
c
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n
d
er
t
h
is
co
n
d
itio
n
.
U
s
u
a
ll
y
,
a
P
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s
y
s
t
e
m
i
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e
m
p
lo
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ed
to
o
b
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t
h
e
p
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ase
i
n
f
o
r
m
atio
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s
y
n
ch
r
o
n
ized
w
it
h
th
e
u
tili
t
y
v
o
ltag
es
i
n
r
eal
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L
L
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u
r
e
1
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L
L
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s
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m
u
latio
n
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
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8708
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h
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g
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r
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h
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n
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ts
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h
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g
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r
e
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ase
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p
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d
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ir
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o
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m
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w
ith
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h
ar
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d
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v
e
k
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a
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15
]
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n
d
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s
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m
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f
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m
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la
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r
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h
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tain
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led
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5
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ab
le
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.
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er
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m
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s a
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d
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k
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n
a
n
d
a
n
[
1
5
]
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201
8
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8
9
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698
RE
F
E
R
E
NC
E
S
[1
]
L
.
As
i
m
in
o
a
e
i,
F
.
Blaa
b
jerg
,
a
n
d
S
.
Ha
n
se
n
,
“
Eva
lu
a
ti
o
n
o
f
h
a
r
mo
n
ic
d
e
tec
ti
o
n
me
t
h
o
d
s
fo
r
a
c
ti
v
e
p
o
we
r
fi
lt
e
r
a
p
p
li
c
a
ti
o
n
s,
”
i
n
P
r
o
c
.
A
p
p
l.
P
o
w
e
r
El
e
c
tro
n
.
C
o
n
f
.
Ex
p
o
.
,
2
0
0
5
,
v
o
l.
1
,
p
p
.
6
3
5
–
6
4
1
.
[2
]
T
.
C.
G
re
e
n
a
n
d
J.
H.M
a
rk
s,
“
Co
n
tro
l
tec
h
n
i
q
u
e
s
f
o
r
a
c
ti
v
e
p
o
we
r
f
il
ters
,
”
Pro
c
.
In
st.
El
e
c
tr.
En
g
.
-
El
e
c
tric
Po
we
r
Ap
p
li
c
a
ti
o
n
s
,
v
o
l
.
1
5
2
,
n
o
.
2
,
p
p
.
3
6
9
–
3
8
1
,
M
a
r.
2
0
0
5
.
[3
]
S
.
K.
Ja
in
,
P
.
A
g
a
r
wa
l,
a
n
d
H.
O.
G
u
p
ta,
“
A
c
o
n
tro
l
a
lg
o
rit
h
m
f
o
r
c
o
m
p
e
n
sa
ti
o
n
o
f
c
u
sto
m
e
r
-
g
e
n
e
ra
ted
h
a
rm
o
n
ics
a
n
d
re
a
c
ti
v
e
p
o
w
e
r,
”
IEE
E
T
ra
n
s.
Po
we
r De
l
.
,
v
o
l
.
1
9
,
n
o
.
1
,
p
p
.
3
5
7
–
3
6
6
,
Ja
n
.
2
0
0
4
.
[4
]
Y.Ku
su
m
a
Lath
a
,
Ch
.
S
a
i
b
a
b
u
,
Y.P
.
Ob
u
les
h
,
"
Co
n
tro
l
S
trate
g
y
f
o
r
T
h
re
e
-
P
h
a
se
S
h
u
n
t
A
c
ti
v
e
P
o
w
e
r
F
il
ter
w
it
h
M
in
im
u
m
Cu
rre
n
t
M
e
a
su
re
m
e
n
ts,
"
In
ter
n
a
ti
o
n
a
l
J
o
u
rn
a
l
o
f
El
e
c
trica
l
a
n
d
Co
mp
u
ter
En
g
i
n
e
e
rin
g
(
IJ
ECE
)
,
V
o
l
.
1
,
No
.
1
,
p
p
.
3
1
~
4
2
,
S
e
p
tem
b
e
r
2
0
1
1
.
[5
]
R.
Ba
las
u
b
ra
m
a
n
ian
,
S
.
P
a
lan
i,
"
S
im
u
latio
n
a
n
d
P
e
rf
o
rm
a
n
c
e
Ev
a
lu
a
ti
o
n
o
f
S
h
u
n
t
H
y
b
rid
P
o
w
e
r
F
il
ter
f
o
r
P
o
w
e
r
Qu
a
li
ty
I
m
p
ro
v
e
m
e
n
t
Us
in
g
P
Q
T
h
e
o
r
y
,
"
In
ter
n
a
ti
o
n
a
l
J
o
u
r
n
a
l
o
f
El
e
c
trica
l
a
n
d
C
o
mp
u
ter
En
g
in
e
e
rin
g
(
IJ
ECE
)
V
o
l
.
6
,
No
.
6
,
p
p
.
2
6
0
3
~
2
6
0
9
,
De
c
e
m
b
e
r
2
0
1
6
.
[6
]
No
r
S
h
a
h
id
a
Ha
sa
n
,
N
o
rz
a
n
a
h
Ro
sm
in
,
S
a
if
u
ln
iza
m
A
b
d
Kh
a
li
d
,
Dy
g
k
u
.
A
s
m
a
n
issa
Aw
g
.
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m
a
n
,
Ba
h
a
ru
d
d
i
n
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a
k
,
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e
d
e
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ti
b
M
u
sta
a
m
a
l,
"
Ha
r
m
o
n
ic
S
u
p
p
re
ss
io
n
o
f
S
h
u
n
t
Hy
b
rid
F
il
ter
u
sin
g
L
QR
-
P
S
O
b
a
se
d
,
"
In
ter
n
a
t
io
n
a
l
J
o
u
rn
a
l
o
f
E
lec
trica
l
a
n
d
C
o
mp
u
ter
En
g
in
e
e
rin
g
(
IJ
ECE
)
Vo
l.
7
,
N
o
.
2
,
p
p
.
8
6
9
~
8
7
6
,
A
p
ril
2
0
1
7
.
[7
]
R.
Ha
o
,
Z.
Ch
e
n
g
,
a
n
d
X
.
Yo
u
,
“
A
n
o
v
e
l
h
a
rm
o
n
ic
c
u
rr
e
n
ts
d
e
tec
ti
o
n
me
th
o
d
b
a
se
d
o
n
ro
ta
ti
n
g
d
–
q
re
fer
e
n
c
e
fra
me
fo
r a
c
t
ive
p
o
we
r fi
l
ter
,
”
i
n
P
r
o
c
.
P
o
w
e
r
El
e
c
tro
n
.
S
p
e
c
.
Co
n
f
.
,
2
0
0
4
,
p
p
.
3
0
3
4
–
3
0
3
8
.
[8
]
W
.
L
e
i,
F
.
Zh
u
o
,
H.
L
i,
a
n
d
Z.
W
a
n
g
,
“
S
tu
d
y
o
n
th
e
k
e
y
-
p
ro
b
le
ms
f
o
r
d
ig
it
a
l
c
o
n
tro
ll
e
d
mu
lt
ip
l
e
p
a
ra
ll
e
l
a
c
ti
v
e
p
o
we
r fi
lt
e
r,”
in
P
ro
c
.
P
o
w
e
r
El
e
c
tro
n
.
M
o
t
io
n
Co
n
tro
l
Co
n
f
.
,
2
0
0
4
,
v
o
l.
1
,
p
p
.
2
5
4
–
2
5
9
.
[9
]
Z.
Ch
e
n
a
n
d
D.
Xu
,
“
De
l
a
y
les
s
h
a
rm
o
n
ic
d
e
tec
ti
o
n
b
a
se
d
o
n
D
S
P
wit
h
h
ig
h
-
a
c
c
u
r
a
c
y
fo
r
a
c
ti
v
e
p
o
we
r
fi
lt
e
r,”
in
P
r
o
c
.
A
p
p
l
.
P
o
w
e
r
El
e
c
tro
n
.
Co
n
f
.
Ex
p
o
.
,
2
0
0
5
,
p
p
.
1
8
1
7
–
1
8
2
3
.
[1
0
]
J.
J.
Ro
d
r
ig
u
e
z
-
A
n
d
in
a
,
M
.
J
.
M
o
u
re
,
a
n
d
M
.
D.
V
a
l
d
e
s,
“
F
e
a
tu
re
s,
d
e
sig
n
t
o
o
ls,
a
n
d
a
p
p
li
c
a
t
io
n
d
o
m
a
in
s
o
f
F
P
GA
s,”
IEE
E
T
ra
n
s.
I
n
d
.
El
e
c
tr
o
n
.
,
v
o
l.
5
4
,
n
o
.
4
,
p
p
.
1
8
1
0
–
1
8
2
3
,
A
u
g
.
2
0
0
7
.
[1
1
]
G
.
G
.
P
a
rm
a
a
n
d
V.
Di
n
a
v
a
h
i,
“
Re
a
l
-
ti
m
e
d
ig
it
a
l
h
a
rd
w
a
re
si
m
u
latio
n
o
f
p
o
w
e
r
e
lec
tro
n
ics
a
n
d
d
riv
e
s,”
IEE
E
T
ra
n
s.
Po
we
r De
l.
,
v
o
l
.
2
2
,
n
o
.
2
,
p
p
.
1
2
3
5
–
1
2
4
6
,
A
p
r.
2
0
0
7
.
[1
2
]
Y.
F
.
C
h
a
n
,
M
.
M
o
a
ll
e
m
,
a
n
d
W
.
W
a
n
g
,
“
De
sig
n
a
n
d
im
p
lem
e
n
tatio
n
o
f
m
o
d
u
lar
F
P
G
A
-
b
a
se
d
P
I
D
c
o
n
tr
o
ll
e
rs,”
IEE
E
T
ra
n
s.
I
n
d
.
El
e
c
tro
n
.
,
v
o
l
.
5
4
,
n
o
.
4
,
p
p
.
1
8
9
8
–
1
9
0
6
,
A
u
g
.
2
0
0
7
.
[1
3
]
R.
Du
b
e
y
,
P
.
A
g
a
r
w
a
l,
a
n
d
M
.
K.
V
a
sa
n
th
a
,
“
P
r
o
g
ra
m
m
a
b
le
l
o
g
ic
d
e
v
ice
s
f
o
r
m
o
ti
o
n
c
o
n
tr
o
l
-
A
re
v
ie
w
,
”
IEE
E
T
ra
n
s.
I
n
d
.
El
e
c
tro
n
.
,
v
o
l.
5
4
,
n
o
.
1
,
p
p
.
5
5
9
–
5
6
6
,
F
e
b
.
2
0
0
7
.
[1
4
]
H.
Du
,
H
.
Qi,
a
n
d
X.
W
a
n
g
,
“
Co
m
p
a
ra
ti
v
e
stu
d
y
o
f
V
L
S
I
so
lu
ti
o
n
s
t
o
i
n
d
e
p
e
n
d
e
n
t
c
o
m
p
o
n
e
n
t
a
n
a
ly
sis,”
IEE
E
T
ra
n
s.
I
n
d
.
El
e
c
tro
n
.
,
v
o
l.
5
4
,
n
o
.
1
,
p
p
.
5
4
8
–
5
5
8
,
F
e
b
.
2
0
0
7
.
[1
5
]
Ch
a
rles
S
a
n
d
V
iv
e
k
a
n
a
n
d
a
n
C,
"
A
n
Eff
icie
n
t
F
P
GA
b
a
se
d
Re
a
l
-
T
i
m
e
I
m
p
le
m
e
n
tatio
n
S
h
u
n
t
A
c
ti
v
e
P
o
w
e
r
F
il
ter
f
o
r
Cu
rre
n
t
Ha
rm
o
n
ic E
li
m
in
a
ti
o
n
a
n
d
Re
a
c
ti
v
e
P
o
w
e
r
Co
m
p
e
n
sa
ti
o
n
"
,
J
El
e
c
tr
E
n
g
T
e
c
h
n
o
l
,
A
p
ril
6
,
2
0
1
5
.
B
I
O
G
RAP
H
I
E
S O
F
AUTO
RS
S
h
a
m
a
la
N.,
As
so
c
iate
p
ro
f
e
ss
o
r,
El
e
c
tri
c
a
l
a
n
d
El
e
c
tro
n
ics
En
g
in
e
e
rin
g
,
V
id
y
a
V
ik
a
s
In
stit
u
te
o
f
e
n
g
in
e
e
rin
g
a
n
d
T
e
c
h
n
o
lo
g
y
,
M
y
so
re
,
In
d
ia.
S
h
e
h
a
s
c
o
m
p
lete
d
B
.
E
f
ro
m
S
JCE
in
1
9
9
7
,
M
y
so
re
Un
iv
e
rsit
y
.
S
h
e
h
a
s d
o
n
e
M
.
T
e
c
h
f
ro
m
S
JCE,
V
T
U
in
2
0
0
3
.
S
h
e
is
P
u
rsi
n
g
P
h
.
D.
i
n
El
e
c
tri
c
a
l
a
n
d
El
e
c
tro
n
ics
.
He
r
a
re
a
o
f
in
tere
sts
is
in
M
icro
c
o
n
tr
o
ll
e
r
s,
Dig
it
a
l
ima
g
e
p
ro
c
e
ss
in
g
,
Hig
h
v
o
lt
a
g
e
e
n
g
in
e
e
rin
g
,
HV
DC,
Dig
it
a
l
p
o
we
r
s
y
ste
m
p
ro
tec
ti
o
n
,
Co
n
tr
o
l
sy
s
tem
s,
Ba
si
c
e
le
c
tro
n
ics
,
L
in
e
a
r
a
lg
e
b
ra
,
e
m
b
e
d
d
e
d
sy
ste
m
d
e
si
g
n
,
M
a
n
a
g
e
m
e
n
t
a
n
d
En
tre
p
re
n
e
u
rsh
ip
,
El
e
c
tri
c
a
l
a
n
d
e
lec
tro
n
ics
in
stru
m
e
n
tatio
n
,
DS
P
,
DS
P
a
rc
h
i
t
e
c
tu
re
.
Dr
.
C.
La
k
s
h
m
i
n
a
r
a
y
a
n
a
.
,
P
r
o
f
e
ss
o
r,
a
n
d
He
a
d
,
El
e
c
tri
c
a
l
a
n
d
El
e
c
tro
n
ics
En
g
i
n
e
e
rin
g
,
BM
S
CE,
Ba
n
g
a
lo
re
,
In
d
ia.
He
h
a
s
c
o
m
p
lete
d
P
h
.
D.
f
ro
m
A
n
n
a
Un
iv
e
rsit
y
.
His
re
se
a
rc
h
f
ield
is
P
o
w
e
r
S
y
ste
m
s
En
g
g
.
He
h
a
s
a
to
tal
n
u
m
b
e
r
o
f
e
x
p
e
rien
c
e
is
1
8
y
e
a
rs.
He
h
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rs.
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