M
M
M
∀M, E(M) = E1(M) + E2(M),Ei(M)i
M
MΣ
Σ
Σ
M
s1(M, t) = A1(M) cos(ω1t−φ1)s2(M, t) = A2(M) cos(ω2t−φ2)
M
ω1=ω2=ω
∆φ(M)
S M
|τ2−τ1| ≪ τc
M
1 / 27 100%