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Noise adaptive fading Kalman filter for free-space laser communication beacon tracking
Li, Lixing1,2,3; Huang, Yongmei1,2; Wang, Qiang1,2; Yang, Fasheng1,2,3
Source PublicationApplied Optics
Volume55Issue:30Pages:8486-8493
2016
Language英语
ISSN1559-128X
DOI10.1364/AO.55.008486
Indexed BySCI ; Ei
WOS IDWOS:000385717100014
SubtypeJ
AbstractWe proposed a prediction algorithm for laser communication pointing, acquisition, and tracking (PAT) subsystems in order to further improve PAT accuracy and reduce the effect of processing delay. In terms of this prediction algorithm, a fading Kalman filter is employed, with the observation noise obtained by the gray value distribution of the laser images. Moreover, to better fit the dynamics of a laser target, the two-stage dynamic model has been chosen as the state transition model for Kalman filtering. In addition, the two-stage dynamic model has been modified by accommodating its form to a change of time lag, thereby compensating the effect of time delay. A series of horizontal path (17 km) experiments under different atmospheric conditions were conducted in the fields. According to the experimental results, the algorithm we proposed could effectively reduce the tracking error and improve pointing accuracy. © 2016 Optical Society of America.
KeywordBandpass Filters Dynamic Models Time Delay
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Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/8535
Collection光电工程总体研究室(一室)
Affiliation1. Institute of Optics and Electronics, Chinese Academy of Sciences, Shuangliu, Chengdu
2.610209, China
3. Key Laboratory of Optical Engineering, Chinese Academy of Sciences, Chengdu, China
4. University of Chinese Academy of Sciences, Beijing
5.100039, China
Recommended Citation
GB/T 7714
Li, Lixing,Huang, Yongmei,Wang, Qiang,et al. Noise adaptive fading Kalman filter for free-space laser communication beacon tracking[J]. Applied Optics,2016,55(30):8486-8493.
APA Li, Lixing,Huang, Yongmei,Wang, Qiang,&Yang, Fasheng.(2016).Noise adaptive fading Kalman filter for free-space laser communication beacon tracking.Applied Optics,55(30),8486-8493.
MLA Li, Lixing,et al."Noise adaptive fading Kalman filter for free-space laser communication beacon tracking".Applied Optics 55.30(2016):8486-8493.
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