1v" 4Re(Z) 2Z2+Z。月 1VRe(亿) Re2(Zo)+Im(Zo)4Re(ZL)Re(Zo) 2 Re2(Zo)+Im2(Zo) Re-(Zo) =p(1+k2).4Re(Z)Re(Z) *2 Z.Zol _么+2+2)上么-2-Z】 Z.Zo 4Re(Z )Re(Z) IZi Zol ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) 2 0 2 L 0 2 0 L 0 0 2 0 2 0 2 0 2 0 2 0 2 2 0 2 4Re Z Re 1 4Re Z Re Re Re Im Re Im Re 2 1 4Re 2 1 Z Z Z P k Z Z Z Z Z Z Z Z V Z Z Z Z V P L L L L L + = + × + × + × + × = × + = + + + ( )( ) ( )( ) ( ) ( ) 2 0 L 0 2 0 * * 0 * 0 * 0 * 0 2 0 * 0 4Re Z Re 1 Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z L L L L L L L L + = + + + - - - = + - -