LDPC\bpsk.m ....\extract_mesg.m ....\genH.m ....\genH_mine.m ....\gen_p_re.asv ....\gen_p_re.m ....\H2P.m ....\Ka频段卫星通信信道建模及系统性能仿真.pdf ....\ldpc_decode.m ....\ldpc_demo.m ....\ldpc_encode.m ....\mul_GF2.m ....\reorder_bits.m ....\rndcheck.m ....\test.m ....\unidrnd.m ....\无线信道建模与仿真.pdf LDPC