又， V+ Re(Z,)-jlm(Zo） 1rRe亿，) 2Re2(亿o)+lm2(亿，) Re(亿)tIm☑） Re2(Zo) =1+k又， ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) 0 2 0 2 0 2 0 2 0 2 0 2 0 0 2 * 0 2 * Re Im Re 2 1 Re Im Re 2 1 Re Im Re 2 1 Re 2 1 Re 2 1 Z Z V Z Z Z V Z Z j Z V Z V P V I + × = ï þ ï ý ü ï î ï í ì + = ï þ ï ý ü ï î ï í ì - = ï þ ï ý ü ï î ï í ì = = + + + + + + + ( ) ( ) ( ) 2 0 2 0 2 0 2 1 Re Re Im k Z Z Z = + +