七.场的各分量 A:E()取o)=C的解, E、=exp(-j/Bz) cosmO blUr/alr≤a 14kn/a]r≥a 边界条件:r=a处,El=Eo2E E r=a y r=a 6=0 6=6 AJm(u=A2Km(W=A A1=A/m(u, A2=A/Km(w) E,=Aexp(-jBz)cos me mural/] rs a 1kmwr/d/Knv]r≥aCopyright Wang Yan 七．场的各分量 边界条件：r＝a处， A: E(y) 取 的解， A1Jm(u)=A2Km(w)=A A1=A/J m(u) , A2= A/ Km(w) 1 2 E | E |  =    = = = = = y r a 0 y r a E | E | ( ) = cosm ( )        = − A K Wr a A J Ur a m / / E exp j z cos 2 m 1 m y   r  a r  a r  a r  a ( )            = − K wr a K w J ur a J u A m m m m m y / / / / E exp jz cos 