光纤通信中用来计算相对误差的matlab源程序，对于刚入门的人有很大的帮助。-Optical Fiber Communication is used to calculate the relative error of the matlab source code, for people who have just started a great help.

光纤通信系统的内调制实验，实验所用光源是半导体激光器，实验所用电信号是NRZ码。-Optical fiber communication system of modulation in experiment, the experiment is a semiconductor laser, light source used laboratory electricity signal is NRZ code