The principles of APT system are introduced, and the mathematic models are given. With Simulink language, a dynamic simulation of APT is realized in satellite laser communication.

• 简要的分析了APT 系统的工作原理,建立了仿真的数学模型,利用Simulink语言,实现了卫星激光通信中APT过程的动态仿真,在此基础上设计了星际激光通信复合轴APT综合模拟实验系统。