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设计了一种新型的LEO/MEO全球覆盖双层卫星光网络,该结构具有稳定的MESH型连接关系,不仅满足卫星光通信捕获追踪和瞄准ATP(acquisition tracking and pointing)要求,还能简化星载处理和交换,降低路由开销。推导了同层和异层间星间链路空间位置表达式。数值仿真结果表明该网络相邻卫星间距离、方位角和俯仰角变化范围小,非常适合卫星激光链路,可作为构建未来卫星激光网络的参考。
A new type of LEO / MEO global coverage double layer satellite optical network is designed. The structure has a stable MESH connection, which not only meets the requirements of acquisition tracking and pointing (ATP) of satellite optical communication, but also simplifies the satellite Handle and exchange, reduce route expenses. The expression of the spatial position of the inter-layer link between the same layer and the different layer is deduced. The numerical simulation results show that the distance, azimuth and elevation angle between adjacent satellites in this network is very small, which is very suitable for satellite laser link and can be used as a reference for constructing satellite laser network in the future.