毕设程序，仿真了matlab在光纤中的传输，利用了光纤的两个偏振模式进行传输。在接收端通过均衡算法抵消码间干扰，绘制了BER曲线，星座图，频谱图等-Complete set up procedure, the simulation matlab in optical fibers, the use of two polarization modes of the optical fiber transmission. At the receiving end by canceling inter