代码不仅实现了编码的仿真，也是一个广泛的条件…

代码说明：

该代码不仅实现了编码的仿真，还在多种条件下实现了译码的仿真，包括MAP,LOG-MAP,SOVA下的单双滑动窗口。-The code not only to achieve a coding simulation, is also a wide range of conditions to achieve the decoding of the simulation, including MAP, LOG-MAP, SOVA under single-and double-sliding window.