. . , .
, , . , , ( ) . .
, , .
:
y(t) = y(t) + y(t), (1)
y(t) , y(t) () .
y(t), . y(t), , . y(t).
. :
ε(t) = y(t) x(t), (2)
: ε (t) = y(t) x(t). (3)
, .
. , .
. . : F(p) f(t), f(t → ∞) :
f(t → ∞) = lim[p∙F(p)] → 0.
, :
ε = lim[∙Wε(p)∙x(p)] → 0, (4)
Wε(p) , ε .
, . , m∙1(t), ∙t at2/2.
, .
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:
Wε(p) = 1/[1 + W(p)], (5)
W() .
(5) (4), :
ε = lim{∙x(p)/[1 + W(p)]} → 0. (4)
W(0) = , .. , , .
, W(p) = ʷW*(p)/ W(p) = ʷW*(p)/2, .. . W*(p) .
, = , = ∙t = at2/2 :
() = /; () = /2; () = /3. (5)
.
(4) () = 0:
ε = ∙x(p)/[1 + W(p)] = p∙ /{∙[1 + W(p)]} =
= /[1 + W(p)] = /[1 + W(0)] = /(1 + K). (6)
. . (t) = ∙t = at2/2 → 0 ε → ∞.
ε = /[p∙(1 + K)]; ε = /[p2∙(1 + K)]. (7)
.
.
ε = ∙x(p)/[1 + W(p)] = p∙ /{∙[1 + ʷW*(p)/p]} =
= ∙p/[p + ʷW*(p)] = 0/[0 + W(0)] = 0/K = 0. (8)
ε = /K:
ε = ∙x(p)/[1 + W(p)] = p∙ /{2∙[1 + ʷW*(p)/p]} =
= /[p + ʷW*(p)] = /[0 + W(0)] = /K. (9)
, , .
ε → ∞.
ε = ∙x(p)/[1 + W(p)] = p∙ /{3∙[1 + ʷW*(p)/p]} =
= /{∙[p + ʷW*(p)]}. (10)
. ε = /K, , , - .
. , .. . .
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. , . . .