§91 阻抗和导纳 说明:*一端口Vk:ey元I回U 9=9+P 米R、L、C三种元件的阻抗 6+: VAR:U=Ri R G=1/R + Y= R B=0 AR:0=joL面 joL G=0 B=-1/oL:感纳* R、L、C三种元件的阻抗 VAR : U = RI I 1 Y = = U G = 1 / R R B = 0 + - . I R + _ . I . U . U jL . . I i u y I Y U Y U = = = + 0 1 / : 1 j VAR : U = j ω LI I Y U G L B L = = = = − §9-1 阻抗和导纳 说明:* 一端口VAR: 感纳