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Small optical inter-satellite communication system for small and micro satellites

机译:小型和微型卫星的小型光学卫星间通信系统

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Small optical inter-satellite communication system to be installed into small and micro satellites flying on LEO are designed and experimentally verified of its fundamental functions. Small, light weighted, power efficient as well as usable data transmission rate optical inter-satellite communication system is one of promising approach to provide realtime data handling and operation capabilities for micro and small satellite constellations which have limited conditions of payload. Proposed system is designed to connect satellites with 4500 (km) long maximum to be able to talk with ground station continuously by relaying LEO satellites even when they are in their own maneuvers. Connecting satellites with 4500 (km) long with keeping steady data rate, accurate pointing and tracking method will be one of a crucial issue. In this paper, we propose a precious pointing and tracking method and system with a miniature optics and experimentally verified almost 10 (μrad) of pointing accuracy with more than 500 (mrad) of angular coverage.
机译:设计并安装在LEO上的小型和微型卫星中的小型光学卫星间通信系统,并对其基本功能进行了实验验证。小型,轻量,高功率效率以及可用的数据传输速率的卫星间光通信系统是为有效载荷条件有限的微型和小型卫星星座提供实时数据处理和操作能力的有前途的方法之一。拟议中的系统旨在连接最大长度为4500(km)的卫星,以便即使它们在自己的机动范围内,也可以通过中继LEO卫星与地面站连续通信。要保持稳定的数据速率,连接4500(km)长的卫星,准确的指向和跟踪方法将是至关重要的问题之一。在本文中,我们提出了一种珍贵的带有微型光学元件的指向和跟踪方法及系统,并通过实验验证了几乎10(μrad)的指向精度以及超过500(mrad)的角度覆盖范围。

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