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Electronics Workbench (EWB) . EWB (DC) (AC) . . , . . , .
EWB . - . . .
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: , , , , - ( ), , , .
5. . . , . R, L, C .
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() , , ( ). .
, x(t) = m∙ cos(ω t + φ0) w, y(t) = Ym∙ cos(ω t + φy) w.
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C, y(t) - Ym φ.
x(t) = m∙ cos(ω t+ φ0), , u(t) = Um∙ cos(ω t + φ0).
Xm ( ) ;
X = Xm /√2‾ - ;
ω [/];
f = 1 /T - [];
T [];
θ (t) = (ω t + φ0) ( ) ;
φ0 = θ ( 0 ) . t = 0 x (0) = m ∙cos(φ0), .. , [π, π].
θ (t 0 ) = (ω t 0 + φ0) = 0. u (t 0 ) = Um∙ cos(ω t 0 + φ0) = Um - . , t 0 ω
t 0 = φ0/ω.
ω.
u1 (t) = U1∙ cos(ω t + φ1), u2 (t) = U2∙ cos(ω t + φ2).
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, , .. (. .). , t = t01 t = t02 , .. . , t12 = t01 - t02 . t12 > 0, , u1 (t) u2 (t). t 12 < 0, u1 (t) u2 (t). t12, ψ12 = φ01 φ02, , .. .
, ψ12 > 0, u1 (t) u2 (t). ψ12 < 0, u1 (t) u2 (t). ψ12 = π . ψ12 = π/2 .
.
() . , , . , , , .
: .
, j = √-1
α = θ (t) = (ω t + φ0), , , u(t)
, ..
u(t)= Re [ u(t) ] = Um cos(ω t + φ).
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a , b .
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a = Um ∙cos(ω t + φ), b = Um ∙sin(ω t + φ).
, .
. , ωt.
. () . .
. ,
u(t)= Re [ u(t) =Úmejωt ] = Um cos(ω t + φ).