On the base of the analyses of simulating modes mentioned above, the author simulates two overseas systems, namely base-band transmission method of manchester coding and AMI coding and modulated transmission method of QAM.

• 第五章在前面仿真模型的基础上具体仿真了两种国外现有系统实现远距离传输的方案：通过曼彻斯特编码和AMI编码的基带传输方法和QAM调制传输的方法。