基于循环前缀的仿真\MB-OFDM\Gnoise.m ..................\.......\mb_ofdm_main.m ..................\.......\OFDM_qpsk_demod.m ..................\.......\OFDM_qpsk_mod.asv ..................\.......\OFDM_qpsk_mod.m ..................\.......\qpsk_demod.m ..................\.......\qpsk_mod.m ..................\.......\s_bits.m ..................\MB-OFDM 基于循环前缀的仿真