菲涅耳一基尔霍夫衍射公式 ■公式 coS n. r -cos n E(P)=A rexp(kl)exp(ikr d c「E() exp(ikr K() coS n, r-cos n A E lexp KO二、菲涅耳－基尔霍夫衍射公式： ◼ 公式 ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( )                         = = =  =                          = → → → → → → → →   2 cos n, r - cos n, l , K l ~ Aexp ikl , i 1 K d r ~ exp ikr d 2 cos n, r - cos n, l r exp ikr l exp ikl i A P ~       c E c E Q E