- . , , . , .

, .. , . , . () - . .

stp_1_1.gif

.

-

- , (. 1 ), ), )). . .

. 1 ) ) . r1+r2 r2, - r1r2/( r1+r2) r1. . . 1 ) I J1+J2 J1, . 1 ) U E1 E2 .


, . . uL = L diL/dt, - iC = C duC/dt. , iL uC , . , .. . , ,

:

  1. , , .. iL(0- ) = iL(0+);
  2. , , .. uC(0- ) = uC(0+).

i(0- ) , i(0+) - .


. t = 0 . . , , . , . .

, .. t = , .

, , .

, . - .

, . , , .. , .

, - . , .. , . .

a=Aept . , n- pnAept. n-

image291.gif

image292.gif

. . , k- pk.

.

, , .. .


a(t) = Ae-t/t , e - , . , .

, . e-t/t t = 0 , a(0) = A. t , e-t/t 0 a(t) 0

t , , a(t) . , . , t . a(t) - a1(t) = Ae-t/t a2(t) = Ae-(t+t)/t , a1(t)/a2(t) = e-(t- t-t )/t = e, , a(t) -. , , c t (. 2).

, .. . t = 3t 5%. 3t .

a(t) = Ae-t/t a(t) = A(1- e-t/t) (. 2). .


( 20 )

, " " ( , !), , . FAQ .


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