Analysis of the Stellar Sensors Characteristics to Determine the Criteria for Assessing the Accuracy

2020 IEEE Conference of Russian Young Researchers in Electrical and Electronic Engineering (EIConRus) Pub Date : 2020-01-01 DOI:10.1109/EIConRus49466.2020.9039325

P. Razzhivalov, N. Korobova, Nikita S. Mahonin

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引用次数: 4

Abstract

An urgent technical problem - providing improved accuracy characteristics of stellar sensors for determining the coordinates of stars was considered. The analysis of the modern stellar sensors characteristics showed that the sensor companies use different characteristics to express accuracy: a) residual systematic error (Ball Aerospace, HAST sensor) or b) random error (Space Research Institute of the Russian Academy of Sciences, Block for determining the coordinates of stars devices (BDCS). A Comparison of the error magnitude of various companies' stellar sensors leads to ambiguous and incorrect results. During assessing the accuracy characteristics of sensors, some factors are not taken into account, for example, the influence of temperature deformation. Calculation using the developed mathematical model of a typical stellar sensor design has been carried out to confirm this phenomenon. The calculation showed that the accuracy characteristics of the stellar sensor depend on many factors. It is necessary to use the limiting error as an unambiguous criterion for their assessment.

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星敏感器特性分析确定精度评定标准

研究了一个紧迫的技术问题——提高恒星传感器确定恒星坐标的精度。对现代恒星传感器特性的分析表明，传感器公司使用不同的特性来表达精度:a)剩余系统误差(Ball Aerospace, HAST传感器)或b)随机误差(俄罗斯科学院空间研究所，Block for确定恒星设备坐标)。比较不同公司的恒星传感器的误差大小会导致模糊和不正确的结果。在对传感器精度特性进行评估时，没有考虑温度变形等因素的影响。利用一个典型的恒星传感器设计的数学模型进行了计算，以证实这一现象。计算表明，星敏感器的精度特性受多种因素的影响。有必要使用极限误差作为其评估的明确标准。

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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2020 IEEE Conference of Russian Young Researchers in Electrical and Electronic Engineering (EIConRus)

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