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Dynamic MTF analysis and calculation of aerial camera
Jingyu Liao; Xiaodong Gao
Volume7658
Pages765819 (7 pp.)
2010
Language英语
Indexed ByEi ; ISTP
Subtype会议论文
AbstractMechanical vibration is the main source limiting and damaging the resolution of aerial cameras. It is necessary to stabilize the line of sight (LOS) to guarantee the image quality. Using dynamic MTF to evaluate image quality and establish reasonable stabilization system performance standard, is a common artifice during the design process. Linear motion and high frequency vibration MTF have been expressed in closed form; however, low frequency vibration still cannot be solved analytically. A numerical dynamic MTF calculation method was developed. With this method and corresponding results, the image quality as well as affordable residual vibration under particular oscillations can be predicted. As a result, passive isolators and other image system devices can be selected effectively and properly.; Mechanical vibration is the main source limiting and damaging the resolution of aerial cameras. It is necessary to stabilize the line of sight (LOS) to guarantee the image quality. Using dynamic MTF to evaluate image quality and establish reasonable stabilization system performance standard, is a common artifice during the design process. Linear motion and high frequency vibration MTF have been expressed in closed form; however, low frequency vibration still cannot be solved analytically. A numerical dynamic MTF calculation method was developed. With this method and corresponding results, the image quality as well as affordable residual vibration under particular oscillations can be predicted. As a result, passive isolators and other image system devices can be selected effectively and properly.
Conference NameProceedings of the SPIE - The International Society for Optical Engineering
Conference Date2010
Document Type会议论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/7526
Collection光电测控技术研究室(三室)
Corresponding AuthorJingyu Liao
Affiliation中国科学院光电技术研究所
Recommended Citation
GB/T 7714
Jingyu Liao,Xiaodong Gao. Dynamic MTF analysis and calculation of aerial camera[C],2010:765819 (7 pp.).
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