①入射功率 ②反射功率 ③负载吸收功率 P2净7 d)iRdr ① 入射功率 ( ) * Re 2 + 1 + + P = V I ② 反射功率 ( ) * Re 2 - 1 - - P = V I ③ 负载吸收功率 ( ) * Re 2 1 P VI L = ( ) ( ) - - - + + + P = V I = GvV Gv I = Gv P * 2 * * Re 2 1 Re 2 1 + - G = P P v