A new star pattern identification technique using an improved triangle algorithm

	A new star pattern identification technique using an improved triangle algorithm
	Li, X. L.; J. H. Yang; L. Zhang; S. Li; G. Jin and S. Zhi
	2015
发表期刊	Proceedings of the Institution of Mechanical Engineers Part G-Journal of Aerospace Engineering
卷号	229 期号:9 页码:1730-1739
摘要	Triangle identification algorithm has been widely applied in star pattern identification of star sensor. However, its lower characteristic dimensions lead to matching redundancy and identification errors. To improve the identification accuracy, the identification process of the triangle identification algorithm is improved. First, the method of quasi uniform distribution of space solid angles is proposed. That is, based on the size of space solid angle a certain zone at the celestial equator corresponds to, the whole celestial sphere is partitioned into a number of sub-blocks. Then, guide stars are selected uniformly according to sub-blocks, obtaining a guide star catalogue with fewer stars, better distribution uniformity and higher completeness. Finally, an approach is proposed to further optimize primarily selected observation triangle groups for the second time for matching identification. The constraint relationship between the sides and included angles of the observation triangle is converted onto the image plane. The simulation experiment result shows that the star pattern identification technique based on the improved triangle algorithm has strong anti-interference performance against star point position noises, magnitude (brightness) noises and missing stars and it is superior to traditional algorithms in identification rate.
收录类别	SCI ; EI
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/55170
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Li, X. L.,J. H. Yang,L. Zhang,et al. A new star pattern identification technique using an improved triangle algorithm[J]. Proceedings of the Institution of Mechanical Engineers Part G-Journal of Aerospace Engineering,2015,229(9):1730-1739.
APA	Li, X. L.,J. H. Yang,L. Zhang,S. Li,&G. Jin and S. Zhi.(2015).A new star pattern identification technique using an improved triangle algorithm.Proceedings of the Institution of Mechanical Engineers Part G-Journal of Aerospace Engineering,229(9),1730-1739.
MLA	Li, X. L.,et al."A new star pattern identification technique using an improved triangle algorithm".Proceedings of the Institution of Mechanical Engineers Part G-Journal of Aerospace Engineering 229.9(2015):1730-1739.

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