中文说明：
在E.C.Levy的“光电振荡器建模”一文中，利用MATLAB函数编写了单回路OEO仿真程序。为了说明它的用途，我们生成图2，4，5，8和11。
English Description：
In e.c.levy's "optoelectronic oscillator modeling", a single loop OEO simulation program is written by using matlab function. To illustrate its purpose, we generate figures 2, 4, 5, 8, and 11.