() () () :
(1)
- (RC), . 
(f = 20 20000 ) RC (.4).
: = 123.
(.5) : U = F(U); f = const. U £ U¢ . , .
: = F(f); U = const (.6)
, .. - , : Df = fB fH, fB fH , - 
. 1, 2, , . - . .
() (.7). 
U1, , (). , (). (.7)
(2)
= U / U1 ; b = U / U . + , - . (2) , , . , , , . -, . (2) :
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(3)
(3) , , , D dK (1+b)2 , Dʻ dK . -, .
- . 1 . .8.
DA1, DA2, . , , : R1, R2, R; 1, 2, 3, 1.
1-1. . () . . . ().
1. . .9 (.). (3-5 ) U = 0,05 f = 2000 . , 1 , 1-1 1-2 1, . . Y 0,5 () (.10). , , . (.11).
.
2. U = F(U) f = 2000 . 0 300 , (U) .1 (.).
3. f U = const . U = 0,05 . . 1-2 . ( ). 20 200000 , . .2 (.). 1-2 . ( ) .
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4. , , .
1. .1 .12 (.) . , . .
2. .2 . .2 .13 . .
1. (.1).
2. , .
3. ?
4. R .
5. (.1).
6. , .
7. ?
8. ?
9. .
10. ?
11. , ?
1. .., .., .: , 1983. . 222-228.
2. / . .. .: , 1986. . 91-98, 118-120.
11
1.
 |
 |
2.
1
| U, mB | |||||||
| U, mB |
3. U = 0,05
2
| f, | ||||||||
| U, | ||||||||
| U, | ||||||||
ר-
1.
U, B U¢ = =
.12 U, mB
2.
10 20 50 100 200 500 103 2×103 5×103 104 2×104 5×104 105 2×105 5×105 106
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.13 f,
:
fH = fB = Df =
fH = fB = Df =
____________ ____________________ __________
__________________
11
3. .
4. .
