1. 11.4 , . .
2. , . , .
, . :
u1(t) u2 (t) = U1sinωt U2sin(ωt-φ0) = 0,5 U1U2[cosφ0 cos (2ωt + φ0)].
2ω, , φ0.
, , . :
u1(t)u2(t) = U1(1+msinΏt) sinωt U2sin(ωt-φ0) = 0,5 U1U2 (1+msinΏt)[cosφ0
-cos(2ωt+φ0)].
2ω, - . , , .. . , , . , , .
11.5
11.6
11.4. , , . , . 1
11.5, 11.6. , ( 11.5, 11.6) , .. .