"jk1t" - 1 õppematerjal

Sbornik zadach

1 x(t) = 2 A& k e jk t . 1 (1.2) k = - & (1.2) A k t +T & = 2 x ( t )e - jk1t A k dt . (1.3) T t  4 (1.2) (1.3) -- . A & = A e jk -- - k k x(t). A = A & k k -- . k -- . (1.2)