加频偏的方法1\1Tx_1Rx_original_CI_OFDM_noGuard_PN_freq_variance.m .............\1Tx_1Rx_original_OFDM_noGuard_PN_freq.m .............\comb.m .............\crdemapping_DFT.m .............\crmapping_DFT.m .............\dongauss.m .............\freq_offset_insertion.m .............\giins.m .............\girem.m .............\qpskdemod.m .............\qpskmod.m 加频偏的方法1