................................................ 16 4.1.2模型文件的参数配置.............................................................................................. 17 4.1.3各信噪比下的 Simulink 仿真.................................................................................. 22 4.2 MATLAB 仿真结果. .......................................................................................................28 第五章总结与心得.................................................................................................................36 参考文献......................................................................................................................................3 7 附录.....................................................................................................................................3 8