ldpc码中，再生成H矩阵时，检测4 .6 .8环的快速方法

Alternative good LDPC codes for DVB-S2-In our following paper, we find that the shortten codes of DVB-S2 have some problems,this program can provide a good DVB-S2 LDPC code without cascaded BCH codes. [1] Yang Xiao, Kiseon Kim, "Alternative

constructs girth-six column-weight three QC-LDPC codes

本程序提供了无4环和6环的LDPC好码设计算法。 使用者对照程序前言中的参考文献，可以迅速理解并掌握无4环和6环的LDPC好码的设计技术。-This procedure provides a non-4 ring and 6 ring good LDPC code design algorithm. Foreword to the user control procedures of references, you can quickly understand and grasp the n

查找ldpc校验矩阵中的6环，并将其记录到txt文件中-Find ldpc check matrix of the six rings, and its records to a txt file