【摘要】 自由空间光通信将成为一种可行且非常具有吸引力的通信方式.光束的捕获、跟踪和对准(ATP)是自由空间光通信中必须解决的关键技术之一.介绍了ATP系统的工作原理,详细论述了ATP系统组成、伺服控制系统的组成与工作流程、光束跟踪算法及其捕获方法,给出了该系统误差信号的处理方法.更多还原

【Abstract】 Free space optical communication is a viable and attractive approach in the future.Laser beam acquisition,tracking and pointing(ATP) is one of key technologies for free space optical communication.The work principle of ATP system is introduced first,and then the composition of ATP system and the composition and work process of servo controlling system are discussed in details.Beam tracking algorithms and acquisition method is expatiated.At last treatment method of error is given.更多还原