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	Analysis of relationship between far-field images and piston error of synthetic-aperture telescopes for the broadband target wave
	Zheng Liu; Sheng-qian Wang; Chang-hui Rao
	2011
会议名称	Proceeding of IEEE-2010 OSA-IEEE-cos Advences in Optoelectronics and Micro/Nano-Optics
会议日期	2011
页码	1-5
通讯作者	Zheng Liu
中文摘要	The technology of detecting and correcting piston error is one of the key technologies for synthetic-aperture telescopes to achieve high resolution. In this paper, the relationship between the far-field images of synthetic-aperture system and the piston error was deduced, and the effect of the piston error was described from these equations. Afterwards, the point spread function (PSF) of dual-aperture systems of Fizeau-type under various phase errors was theoretically analyzed in detail, which, led to a description of the relationship between far-field images and piston error. Based on some calculations and simulations, patterns of PSFs' distribution under different piston errors were analyzed for the cases of monochromatic and broadband target wave. And, regulars between intensities and corresponding coordinate of the peaks of PSF and piston error were analyzed, which would provide theoretical supports for our next step research of new methods of detecting piston error.
英文摘要	The technology of detecting and correcting piston error is one of the key technologies for synthetic-aperture telescopes to achieve high resolution. In this paper, the relationship between the far-field images of synthetic-aperture system and the piston error was deduced, and the effect of the piston error was described from these equations. Afterwards, the point spread function (PSF) of dual-aperture systems of Fizeau-type under various phase errors was theoretically analyzed in detail, which, led to a description of the relationship between far-field images and piston error. Based on some calculations and simulations, patterns of PSFs' distribution under different piston errors were analyzed for the cases of monochromatic and broadband target wave. And, regulars between intensities and corresponding coordinate of the peaks of PSF and piston error were analyzed, which would provide theoretical supports for our next step research of new methods of detecting piston error.
收录类别	EI
语种	英语
内容类型	会议论文
源URL	[http://ir.ioe.ac.cn/handle/181551/7757]
专题	光电技术研究所_自适应光学技术研究室（八室）
作者单位	中国科学院光电技术研究所
推荐引用方式 GB/T 7714	Zheng Liu,Sheng-qian Wang,Chang-hui Rao. Analysis of relationship between far-field images and piston error of synthetic-aperture telescopes for the broadband target wave[C]. 见:Proceeding of IEEE-2010 OSA-IEEE-cos Advences in Optoelectronics and Micro/Nano-Optics. 2011.

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