中文说明： 有借鉴意义哦，一个师兄的毕设，有较好的参考价值，高斯白噪声的生成程序，给出接收信号眼图及系统仿真误码率，最大似然（ML）准则和最大后验概率（MAP）准则。
English Description：
Reference: Oh, a senior set, have a good reference value, Gaussian white noise generator, and eye-diagram and system simulation of bit error rate of the received signal is given, the maximum likelihood (ML) guidelines and maximum a posteriori (MAP) guidelines.