, , . :
T - , .
f - , , .
(1 Hz)
f = 1 /T
ω - , 2π .
ω = 2πf = 2π/T
. , . T = 2π = 360
ψ - (ωt = 0) . . .
, .
- t.
i = i(t); u = u(t)
.
, :
i = Iampsin(ωt); u = Uampsin(ωt)
:
i = Iampsin(ωt + ψ); u = Uampsin(ωt + ψ)
Iamp Uamp - .
- .
Iamp = max|i(t)|; Uamp = max|u(t)|
. () - .
(avg) - T.
DC .
() .
- .
.
(rms) - .
Iamp (Uamp) :
- , , . .
, .