频带＋噪声（星座图，调制信号）

..............................\Binary.m

..............................\Decoder.m

..............................\Demodulation.m

..............................\Error_Pb.m

..............................\Eu_distance.m

..............................\gngauss.m

..............................\Qfunct.m

..............................\Receive.m

..............................\Send.m

..............................\Stars_plot.m

..............................\TCM.m

..............................\xor.m