, - . , .
. , , , . , , ( ), , , , . , , , .
(146.1)
s , , d = const , w0 , . . d = 0 ( ) . (146.1)
(1462)
u = u(t). (146.2) (146.1)
(146.3)
(146.3) . , :
(146.4)
( (w2 - d2) > 0, ). (142.1) , u = A0cjs(wt + j) (. (140.1)). , (146.1) (d2≪ w20)
(146.6)
(146.6)
, A0 . (146.5) . 208 , (146.6) . t = 1/d, , .
. 208
, , . , ( ) (. 208). (146.4)
(T) (t + ) , , ,
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,
(146.7)
; Ne , . .
Q,
(146.8)
( (d2≪ w20), T 0).
(146.8) , Ne, .
, , ( ) ( ).
1. . (. 142) , F= - kx, , ..
r ; .
(146.9)
(. (142.2)) ,
(146.10)
(146.1) :
(146.1) (146.5) ,
(. (146.4)).
, (146.8) (146.10), .
2. . ( R ¹ 0) (. (143.2))
(143.4)
(146.11)
(143.2) (146.1)
(146.1) (146.5) ,
(146.12) (146.13)
w 0 (. (143.4)). R = 0 (146.13) (143.4).
(146.7), (. (146.8))
(146.14)
, d d = w0 , . . . , t ¥. . .
. . , , .
, , (. 147), . , ( ).
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. . , , , . , .
, , . .