LDPC码的完整的编译码，数学方法是部分子空间法，各种资源分配算法实现，有PMUSIC 校正前和校正后的比较，通过matlab代码，正确率可以达到98％。- Complete codec LDPC code, Mathematics is part of the subspace, Various resource allocation algorithm, A relatively before correction and after correction PMUSIC, By matlab