NSSC OpenIR  > 空间技术部
Modeling the Coupling Effect of Jitter and Attitude Control on TDICCD Camera Imaging
Li, Yulun; Yang, Zhen; Ma, Xiaoshan; Ni, Wei; Li, YL (reprint author), Chinese Acad Sci, Natl Space Sci Ctr, Key Lab Elect & Informat Technol Complex Aerosp S, Beijing 100190, Peoples R China.
Department空间技术部
Source PublicationIMAGE AND SIGNAL PROCESSING FOR REMOTE SENSING XXII
2016
Language英语
ISSN0277-786X
ISBN978-1-5106-0412-4; 978-1-5106-0413-1
AbstractThe vibration has an important influence on space-borne TDICCD imaging quality. It is generally aroused by an interaction between satellite jitter and attitude control. Previous modeling for this coupling relation is mainly concentrating on accurate modal analysis, transfer path and damping design, etc. Nevertheless, when controlling attitude, the coupling terms among three body axes are usually ignored. This is what we try to study in this manuscript. Firstly, a simplified formulation dedicated to this problem is established. Secondly, we use Dymola 2016 to execute the simulation model profiting Modelica synchronous feature, which has been proposed in recent years. The results demonstrate that the studied effect can introduce additional oscillatory modes and lead the attitude stabilization process slower. In addition, when fully stabilized, there seems time-statistically no difference but it still intensifies the motion-blur by a tiny amount. We state that this effect might be worth considering in image restoration.
KeywordJitter Attitude Control Flywheel Tdiccd Camera Synchronous Feature
Conference NameConference on Image and Signal Processing for Remote Sensing XXII
Conference DateSEP 26-28, 2016
Conference PlaceEdinburgh, SCOTLAND
Indexed ByEI ; CPCI
Document Type会议论文
Identifierhttp://ir.nssc.ac.cn/handle/122/5797
Collection空间技术部
Corresponding AuthorLi, YL (reprint author), Chinese Acad Sci, Natl Space Sci Ctr, Key Lab Elect & Informat Technol Complex Aerosp S, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Li, Yulun,Yang, Zhen,Ma, Xiaoshan,et al. Modeling the Coupling Effect of Jitter and Attitude Control on TDICCD Camera Imaging[C],2016.
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2016100041R.pdf(656KB)会议论文 开放获取CC BY-NC-SAApplication Full Text
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