, , . . (). , , , .
() , , ( ). .
, x(t) = m∙ cos(ω t + φX) w, y(t) = Ym∙ cos(ω t + φY) w.
C, y(t) - Ym φY.
u1 (t) (. 2.1),
u1 (t) = Um cos (ω t + φ01) = U cos (ω t + φ01) (2.1)
Um U = Um / .
ω = 2π· f [/] , f = 1 /T [ ] ( ), , T []. . 2.1.
θ(t) = (ω t + φ01) ( ) .
φ01, θ(0) t = 0 . t = 0, .. : u (0) = Um ∙cos(φ01).
, . t = t 01 , u (t 01) = U m. , t 01 θ (t 01 ) = (ω t 01 + φ01) = 2π n. , (. .2.1) t 01 = φ01/ω. (2.2)
, . φ01 > 0, (. . 2.2), φ01 < 0, .
φ01 . . 2.2 , . (2.2) (. .2.2)
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u1 (t) = Um cos (ω t + φ01), u2 (t) = Um cos (ω t φ02).
, , .
, . . . , . . t 0 (. 2.1), , , . . 2.2 , u1 (t) u2 (t).
Ψ
Ψ = φ01 φ02 = (t 01 t 02)/ ω (2.3)
Ψ > 0, () () (. . 2.2).
Ψ < 0, .
Ψ = 0 .
Ψ = π, .
Ψ = π/2, .