然后求H(e) H,(e) Bok Biz 1-rco 其中Bs=2Re[H()]A=-2rRe[H(k)W] k=1时 Bor Bnz B=2Re[H()]=4 H(0)=2-23j B,=(-2)(0.9)Re[H()mg]=3.6 4+3.6z1 :H(9)=1-0.9z+0812 2024/10/21 12 然后求 H z k ( ) k = 1 时( ) 1 01 11 1 1 2 2 2 1 2 cos z H z z r r z N   − − − +   − +     = = 4 ( ) ( ) ( ) 1 11 6  = −   = 2 0.9 Re 1 3.6     H W ( ) 1 1 1 2 4 3.6 1 0.9 0.81 z H z z z − − − +  = − +( ) 1 0 1 1 2 2 2 1 2 cos k k k z H z z r k r z N   − − − +   − +     = 其中 0 k = 2Re   H k( )   1 2 Re ( ) k k N  = − r H k W     H j (1 2 2 3 ) = − 01 = 2Re 1   H ( )   2024/10/21 12