ldpc码是现在5G主要的应用，因此该程序研究了实现多进制ldpc编译码的方法，为进一步学习ldpc码具有一定作用。(LDPC code is now the main application of 5G, so the program studies the method to realize the coding and decoding of multi-digit LDPC code, which has a certain role in further learning the LD