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Golay6结构径向平移误差分析 被引量:2

Analysis of Piston Error for the Golay6 Configuration
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摘要 在Golay6结构稀疏孔径光学系统中,通过计算和模拟Golay6结构主镜存在径向平移(piston)误差时的光瞳函数、点扩展函数以及调制传递函数,研究子镜装调产生的piston误差对成像的影响。根据中心点亮度的要求,给出了不同半径、不同填充因子下的最大容许误差,并通过Matlab软件进行成像模拟。结果表明:在给出的最大容许误差范围内,piston误差影响不显著。 The influence which comes from piston error for the Golay6 sparse-aperture optical system is studied by calculating and simulating the pupil function,point spread function and modulation transfer function.According to Strehl requirements,the piston-error tolerance under the different radii and different filling factors is given and imaging simulation is done by the Matlab software.The results show that the affection is not significant within the piston-error tolerance.
出处 《激光与光电子学进展》 CSCD 北大核心 2012年第9期70-75,共6页 Laser & Optoelectronics Progress
基金 江苏省自然科学基金(BK2009129) 江苏省"333"人才工程项目 江苏省六大人才高峰项目资助课题
关键词 成像系统 稀疏孔径 径向平移误差 点扩展函数 调制传递函数 imaging system sparse aperture piston error point spread function modulation transfer function
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