二、带线不均匀性 B iB B (28-7) B B iB B B B 1+ B B 若后接匹配负载z0=1,则 (28 1A1+A2-A2 8) +1A1+A1A jB j B jB j B jB B B jB B B j B jB B B B B =       −               = − +                   = + −       +             1 0 1 1 1 0 1 1 0 1 1 1 1 1 0 1 1 1 2 1 1 2 1 1 1 2 1 1 2 1 1 2 1 2 若后接匹配负载Z0=1，则 Z A A A A Z Z A A A A A A A A in in in = + + = − + = + − − + + + 11 12 21 22 11 12 21 22 11 12 21 22 1 1  (28-7) (28- 8) 二、带线不均匀性