Throughput of the optical telescope for observing LEO objects

Pub Date : 2021-07-01 DOI:10.15407/KNIT2021.03.028
О.М. Kozhukhov, Zalistsi Dunaivtsi District Khmelnytsky Region Ukraine Navigating Field Control
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Abstract

Observation of Low-Earth-Orbit space objects by optical sensors (telescopes) is a rather complex task that requires equipment with appropriate characteristics. Througput can be considered as one of the main characteristics of optical sensors for observing Low-Earth-Orbit space objects. An approach to the theoretical estimation of the optical telescope’s throughput when observing Low-Earth Orbit space objects is proposed in the paper. It is based on the representation of the telescope as a queuing system. The queuing system can be of various types depending on the observation methods that are used. The input flow in this queuing system is the flow of Low-Earth Orbit space objects’ passes through the viewing area of the telescope, and the output flow is the flow of observed passes. The average total time spent for observing one Low-Earth Orbit space object is taken as the average service time. Quantitative characteristics of these values can be obtained by simulating the Low-Earth Orbit space objects’ passes through the telescope's viewing area. The throughput of the queuing system was chosen as the main estimated characteristic. An example of evaluating the characteristics of such a queuing system is given. It is based on the “Sazhen-S” quantum optical station of the Centre for Special Data Reception and Processing and Navigating Field Control of the National Space Facilities Control and Test Center of State Space Agency of Ukraine. Possible ways of increasing the throughput of “Sazhen-S” quantum optical station according to the observation of Low-Earth Orbit space objects are proposed.
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用于观测低地球轨道物体的光学望远镜的吞吐量
利用光学传感器(望远镜)观测近地轨道空间物体是一项相当复杂的任务,需要具有适当特性的设备。Througput可以被认为是用于观测近地轨道空间物体的光学传感器的主要特征之一。本文提出了一种在观测近地轨道空间物体时对光学望远镜吞吐量进行理论估计的方法。它基于望远镜作为排队系统的表示。排队系统可以是各种类型,这取决于所使用的观察方法。该排队系统中的输入流是近地轨道空间物体通过望远镜观察区域的流量,输出流是观测到的流量。观测一个近地轨道空间物体所花费的平均总时间被视为平均服务时间。这些数值的定量特征可以通过模拟近地轨道空间物体通过望远镜观察区域来获得。选择排队系统的吞吐量作为主要的估计特征。给出了一个评估这种排队系统特性的例子。它以乌克兰国家航天局国家航天设施控制与测试中心特殊数据接收与处理与导航场控中心的“萨真-S”量子光学站为基础。根据对近地轨道空间物体的观测,提出了提高“萨真-S”量子光学站吞吐量的可能途径。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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