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提出了一种基于双光束扫描的卫星光通信捕获技术。使用两束信标光同时对目标卫星所在的不确定区进行扫描,目标卫星在探测到信标光后利用无线电信号向主动方卫星发送应答信号。通过对应答信号所携带信息的计算分析,最终确定目标卫星所在位置,实现捕获。数值仿真计算表明,该方法比传统方法扫描效率提高90%左右。
A satellite optical communication acquisition technology based on double beam scanning is proposed. The use of two beams of beacon light at the same time the target satellite is located in the uncertainty of scanning, the target satellite in the detection of beacon light after the use of radio signals to the active side satellites to send a response signal. Through the calculation and analysis of the information carried by the response signal, the location of the target satellite is finally determined to achieve the capture. The numerical simulation shows that this method can improve the scanning efficiency by 90% compared with the traditional method.