【摘要】 对自由空间激光通信光束自动捕获、跟踪、瞄准（ＡＴＰ）系统的结构与系统主要技术指标进行了分析和讨论。通过对其中典型系统的介绍，进一步描述了ＡＴＰ技术的最新进展，论证了空间激光通信的可行性。更多还原

【Abstract】 Acquisition, pointing and tracking-ATP technology is one of the key techniques of free-space laser communication system The architecture and main parameters of ATP system for free-space laser communications are analyzed and discussed in this paper America, Japan and Europe countries dominate the field of free-space laser communications, and their latest development of ATP technology is described by introducing its topic system、The feasibility of space laser communication is also proved更多还原