实现非递归系统卷积码的编码功能，基于C++平台，包括实现此功能的函数-To achieve non-recursive systematic convolutional code encoding, based on C++ platform, including the realization of this feature function

ISI信道下的信号检测和译码的联合迭代算法的实现，编码使用递归卷积码，译码算法为BCJR算法。-Iterative algorithm to achieve joint signal detection and decoding under ISI channel, encoded using recursive convolutional code and decoding algorithm is BCJR algorithm.