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题名:
Analysis of comprehensive effects of piston error and sub-aperture aberrations on the image quality of sparse-optical-synthetic-aperture system
作者: Liu Zheng1,2,3; Wang Sheng-Qian2,3; Huang Lin-Hai2,3; Rao Chang-Hui2,3
刊名: ACTA PHYSICA SINICA
出版日期: 2011
卷号: 60, 期号:10
关键词: sparse-optical-synthetic-aperture ; piston error ; aberration ; image quality
文章类型: Article
英文摘要: To improve the image quality of sparse-optical-synthetic-aperture system, the effects of sub-aperture self aberrations and piston errors among different sub-apertures should be considered comprehensively. Based on the pupil of sparse-optical-synthetic-aperture system, the system Strehl Ratio (SR) is deduced using the principle of Fourier optics, which leads to the theoretical result of the systems SR metric with the form of separated sub-aperture aberration and piston error. As for the bi-aperture system, the variances of the system SR metric are calculated and analyzed with different sub-apertures' aberrations for conditions of corrected piston error and un-corrected piston error. Therefore, the comprehensive effects of sub-aperture aberrations and the piston errors among different sub-apertures on the system image quality are analyzed theoretically. From these analyses, the physical mechanism for the comprehensive effect of sub-aperture aberration and the piston error on the sparse-optical-synthetic-aperture system image quality is revealed, and it could be seen that the compensation of piston error is meaningful only if the sub-aperture self aberration is corrected to be in a certain limit.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Physics, Multidisciplinary
研究领域[WOS]: Physics
关键词[WOS]: STREHL RATIO ; TELESCOPES ; INTERFEROMETER ; ARRAY
收录类别: SCI
语种: 英语
WOS记录号: WOS:000300718700019
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/3455
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: 1.Natl Univ Def Technol, Coll Optoelect Sci & Engn, Changsha 410073, Hunan, Peoples R China
2.Chinese Acad Sci, Key Lab Adapt Opt, Chengdu 610209, Peoples R China
3.Chinese Acad Sci, Inst Opt & Elect, Lab Adapt Opt, Chengdu 610209, Peoples R China

Recommended Citation:
Liu Zheng,Wang Sheng-Qian,Huang Lin-Hai,et al. Analysis of comprehensive effects of piston error and sub-aperture aberrations on the image quality of sparse-optical-synthetic-aperture system[J]. ACTA PHYSICA SINICA,2011,60(10).
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