中文摘要：

采用TMS320LF2407A与TMS320DM642的双（DSP）新颖设计，运用卡尔曼预测模型实现了一种新型空间移动平台光通信的信标光扫描、跟踪控制系统。详细论述了系统的硬件、软件设计，给出不同实验条件下的信标光捕获时间，并分析了信标光捕获时间误差和减少捕获时间误差的方法。地面模拟空间移动平台信标光捕获实验表明，信标光捕获与跟踪精度高、扫描速度快，该实验系统具有很好的实用价值。

英文摘要：

A beacon tracking servo system in spatial optical communication is designed with double DSP （TMS320LF2407A and TMS320DM642） ,Kalman method is adopted to forecast the target. The design of hardware and software system is described in detail,the scan time of beacon is presented from different experimental conditions,the scan error time of beacon is also analyzed. According to the experimental result, the system has a satisfied performance including high precision, quick scan, small volume, real-time.