母码码率为1/2的LDPC编码 LDPC_QPSK

代码说明：

  母码码率为1/2的LDPC编码，QPSk调整，SNR-BER图(failed to translate)

文件列表：

LDPC_QPSK
.........\decodeLogDomain.m,2575,2011-03-19
.........\decodeLogDomainSimple.m,2170,2011-03-19
.........\demappingQPSK.m,408,2011-05-09
.........\ldpc_Q.m,1988,2011-05-09
.........\LDPC抗噪.fig,6665,2011-05-09
.........\makeLdpc.m,3390,2011-03-19
.........\makeParityChk.m,3745,2011-03-19
.........\mappingQPSK.m,249,2011-05-09
.........\Untitled4.m,89,2011-03-24