LDPC编码仿真的源码，LDPC码是一种基于矩阵构造编码和迭代译码的新型信道编码方案，它具有很低的译码复杂度，并且拥有逼近香农极限的优异性能。-LDPC coding simulation code, LDPC code is a matrix structure based on the iterative decoding of the new coding and channel coding scheme, which has a very low decoding complexity