, , . 1,
Q = = , (9)
R = r + R + R L,
R ; r ; R , ; R L .
1. Q
Q (9), R , L C.
2. U 0 . . . E0
(8)
U 0 = = E 0 Q,
Q = . (10)
3.
W1 W2, , (. . 3) U 0 = .
DW = W2 - W1 .
, , .
(9) (10) (5), ,
Q . (11)
, DW W, .
, U 0 , W: W1 W2, U 0 = 0,7 U 0 , DW = W2 - W1.
W, W1 W2 f = W/(2p) [],
Q = . (12)