This a software runing on the matlab, it is used in the channel coding simulation. It include DVB-S2 LDPC, Covolution turbo, and block turbo code, You can choose which channel coding to run. it run the encoder and add white noise in the channel,

dvb-s2中的LDPC编码部分，包含21中类型的矩阵，能够输出H矩阵和校验信息(The LDPC encoding part in dvb-s2, containing a matrix of type 21, is capable of outputting H-matrix and parity information)