信道B\BPS\dft1.m .....\...\dft2.m .....\...\MRC_DFT.asv .....\...\MRC_DFT.m .....\qam\DFT1.m .....\...\DFT2.m .....\...\MCR_DFT.fig .....\...\MCR_DFT.m .....\...\MCR_DFT2.fig .....\BPS .....\qam 信道B