A.12.2B.13.6C.19.85D.23.85
A.信源编码—信道编码—调制B.信道编码—信源编码—调制C.调制-信源编码—信道编码D.信道编码—调制-信源编码
A.0.5λB.0.8λC.1λD.1.5λ