ldpc注释\bpsk.m ........\extract_mesg.m ........\genH.asv ........\genH.m ........\H2P.m ........\ldpc_decode.m ........\ldpc_demo.m ........\ldpc_encode.m ........\mul_GF2.m ........\randperm.m ........\reorder_bits.m ldpc注释