Spacecraft Recovery & Remote Sensing, Volume. 45, Issue 4, 58(2024)
On-Orbit Refocusing Method for Wide-Angle Infrared Camera Based on Star Point Sub-Pixel Error Compensation
Figures & Tables(12)
![[in Chinese]](/Images/icon/loading.gif){kind=icon}
Table 1. The optimal number of
\begin{document}$ \xi $\end{document} View tableView in ArticleTable 1. The optimal number of
\begin{document}$ \xi $\end{document} 能量集中度 $ \xi $ 0.99 6.2829 0.9 5.0659 0.8 6.9930 0.7 10.0391 0.6 15.0516 0.5 26.7383 0.4 52.0537 0.3 153.8576 0.2 979.3701
Table 2. The optimal number of
\begin{document}$ \xi $\end{document} View tableView in ArticleTable 2. The optimal number of
\begin{document}$ \xi $\end{document} 信噪比/dB $ \xi $ 50 15.1029 40 14.9458 30 15.2241 20 14.2282 10 16.8732
Table 3. Three methods of centroid extraction error in 0.6 energy concentration degrees
View tableView in ArticleTable 3. Three methods of centroid extraction error in 0.6 energy concentration degrees
误差亚像元/像元 <0.001 <0.005 <0.01 <0.02 <0.05 能量累加质心法 0.0143 0.0760 0.1118 0.1404 0.2625 高斯拟合法 0.0559 0.2378 0.4646 0.9454 1 本文方法 0.1176 0.6316 0.9162 0.9961 1
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Shuqi YANG, Chunxiao ZHANG, Pu CHENG, Kun XING. On-Orbit Refocusing Method for Wide-Angle Infrared Camera Based on Star Point Sub-Pixel Error Compensation[J]. Spacecraft Recovery & Remote Sensing, 2024, 45(4): 58
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Received: Mar. 8, 2024
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Published Online: Nov. 1, 2024
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