(7,4)汉明码，硬判决译码，最大似然译码、和积算法（SPA）matlab仿真程序 三种译码方法的原理、matlab程序附在word附件中！ 供大家学习参考-(7,4) Hamming codes, hard decision decoding, maximum likelihood decoding, and product algorithm (SPA) matlab simulation program the principles of the three decoding me

置信传播(belief propagation,BP)算法的计算复杂度较高，且变量节点和校验节点间信息传递的信息可靠，但是迭代的实现，就最大似然算法来说，验证其提高译码性能的特点。 -Belief propagation (belief propagation, BP) higher computational complexity of the algorithm, and reliable information between variable nodes and check node