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题名:
Synthetic aperture imaging by using spatial modulation diversity technology with stochastic parallel gradient descent algorithm
作者: Ma, Haotong1,2,3; Xie, Zongliang1,2; Long, Xuejun1,2; Qi, Bo1,2; Ren, Ge1,2; Shi, Jianliang1,2; Cui, Zhangang1,2; Jiang, Yang1,2; Xu, Xiaojun1,2
刊名: OPTICS EXPRESS
出版日期: 2015-06-01
卷号: 23, 期号:11, 页码:14836-14849
文章类型: Article
英文摘要: In this paper, we propose and demonstrate the synthetic aperture imaging by using spatial modulation diversity technology with stochastic parallel gradient descent (SPGD) algorithm. Instead of creating diversity images by means of focus adjustments, the technology, proposed in this paper, creates diversity images by modulating the transmittance of individual sub-aperture of multi-aperture system, respectively. Specifically, spatial modulation is realized by switching off the transmittance of each sub-aperture with electrical shutters, alternately. Based on these multi diversity images, SPGD algorithm is used for adaptively optimizing the coefficients of Zernike polynomials to reconstruct the real phase distortions of multi-aperture system and to restore the near-diffraction-limited image of object. Numerical simulation and experimental results show that this technology can be used for joint estimation of both pupil aberrations and an high resolution image of the object, successfully. The technology proposed in this paper can have wide applications in segmented and multi-aperture imaging systems. (C) 2015 Optical Society of America
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Optics
研究领域[WOS]: Optics
关键词[WOS]: PHASE-DIVERSITY ; ABERRATIONS
收录类别: SCI
语种: 英语
WOS记录号: WOS:000356902400133
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/3664
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.Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China
2.Chinese Acad Sci, Key Lab Opt Engn, Chengdu 610209, Peoples R China
3.Natl Univ Def Technol, Coll Optoelect Sci & Engn, Changsha 410073, Hunan, Peoples R China

Recommended Citation:
Ma, Haotong,Xie, Zongliang,Long, Xuejun,et al. Synthetic aperture imaging by using spatial modulation diversity technology with stochastic parallel gradient descent algorithm[J]. OPTICS EXPRESS,2015,23(11):14836-14849.
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