! "
"
# $
%
!
&
$
ANALELE UNIVERSITĂłII
“EFTIMIE MURGU” RE IłA
' !
(
"
" $
)
* +
$
! "
$ !
! " "
, (
!
... ...
3 2 1
3 3 2 2 1 1
+ + +
+ + +
= i i i
i i i
A A A
T A T A T A GT
); ( ); ( );
(t S f G f
in ii ii out(t);Soo(f);Goo(f);
2
); ( ); ( ); ( );
(f T f Sio f Gio f io
H γ
?
,
$
( !
-$
# " "
. (
... ...
3 2 1
3 2 1
+ + +
+ + +
= i i i
o o o
A A A
A A A GT
); ( ); ( );
(t S f G f
in ii ii out(t);Soo(f);Goo(f);
2
); ( ); ( ); ( );
(f T f Sio f Gio f io
H γ
( ! / -0 $ ! -$ 0 , . 12 1 3
$ $ 2
∑
∑
∑
∑
=
=
+
+
+
+
+
+
=
in j out j in j j in j in in in in in inA
A
A
T
A
A
A
A
T
A
T
A
T
A
GT
...
...
3 2 1 3 3 2 2 1 1 *&+ out j j inj
T
A
A
=
!
* + 0 $
∑
∑
=
in j j in jG
H
G
GT
2 *,+ ! ! *,+∫
∫
∫
∫
∞ ∞ ∞ ∞=
=
0 0 0 0 2df
G
df
G
df
G
df
H
G
GT
in out in in *.+ out inG
H
G
2=
G
in=
G
xx( )
ω
G
out=
G
yy( )
ω
$
( )
∫
∞=
0
G
f
df
P
m *4+! in m out m
P
P
6 " 7
$ % &
(
! "
2 ! (
( 2
8&9 ' :
(
; )) < = : :
) ; ; (
> , ? ,@@?
8,9 ) 3 : < 3 :
0 ,@@? A (
' A &B &C ,@@?
8.9 3 ( ; )
<! ( 3 13
> 1 % 2 : 3 3 ,@@?
849 ) 3 ' (
( : < ( 3
13 > 1 % 2
< 3 > ,@@4
'
• : 3 < D3 > E % 2
A )
<! * <) < + ) ) ,C F&@@&B '