实现了瑞丽分布信道，来斯信道分布和阴影衰落信道的仿真-Ruili achieved distribution channel to channel distribution and Adams shadow fading channel simulation

代码包含的主要内容是AWGN信道上BPSK,QPSK,16QAM的调制解调，以及误码率计算过程，其中还有OFDM调制在信道上传输的仿真内容-Code contains the main contents of AWGN channel BPSK, QPSK, 16QAM modulation and demodulation, and bit error rate calculation process, in which there are OFDM modulation in the cha