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A star identification algorithm based on radial and dynamic cyclic features of star pattern
Wei, Xin1,2; Wen, Desheng1; Song, Zongxi1; Xi, Jiangbo3; Zhang, Weikang1,2; Liu, Gang1,2; Li, Zhixin1,2
Department空间光学应用研究室
2019-04-01
Source PublicationADVANCES IN SPACE RESEARCH
ISSN0273-1177;1879-1948
Volume63Issue:7Pages:2245-2259
Contribution Rank1
Abstract

A full-sky star identification algorithm based on radial and dynamic cyclic patterns is presented with the aim of solving the "lost-in-space" problem. The dynamic cyclic pattern match is applied with a maximum cumulate comparison method to identify sensor-catalog pairings in initial match, which substantially eliminates the effects of the star position noise, magnitude noise, and false stars. After initial match pairings of stars are obtained, a chain part extension technique is employed to quickly search for the longest match chain as the final result. Experimental results indicate that the proposed algorithm is highly robust to star position noise, magnitude noise and false stars. In a series of simulations, the identification rate of the algorithm is 97.50% with 2.0 pixels star position noise, 96.90% with 0.4 Mv star magnitude noise and 95.30% with four false stars respectively. Moreover, the algorithm achieves an identification rate of 58.08% when only six stars are in the field of view. (C) 2018 COSPAR. Published by Elsevier Ltd. All rights reserved.

KeywordStar identification Star sensor Star tracker Dynamic cyclic pattern Chain part extension Attitude determination
DOI10.1016/j.asr.2018.12.027
Indexed BySCI
Language英语
WOS IDWOS:000463131800023
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/31364
Collection空间光学应用研究室
Corresponding AuthorWei, Xin
Affiliation1.Chinese Acad Sci, Xian Inst Opt & Precis Mech, 17 Xinxi Rd, Xian 710119, Shaanxi, Peoples R China
2.Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100039, Peoples R China
3.Changan Univ, Middle Sect, Naner Huan Rd, Xian 710064, Shaanxi, Peoples R China
Recommended Citation
GB/T 7714
Wei, Xin,Wen, Desheng,Song, Zongxi,et al. A star identification algorithm based on radial and dynamic cyclic features of star pattern[J]. ADVANCES IN SPACE RESEARCH,2019,63(7):2245-2259.
APA Wei, Xin.,Wen, Desheng.,Song, Zongxi.,Xi, Jiangbo.,Zhang, Weikang.,...&Li, Zhixin.(2019).A star identification algorithm based on radial and dynamic cyclic features of star pattern.ADVANCES IN SPACE RESEARCH,63(7),2245-2259.
MLA Wei, Xin,et al."A star identification algorithm based on radial and dynamic cyclic features of star pattern".ADVANCES IN SPACE RESEARCH 63.7(2019):2245-2259.
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