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Detection of solar disk and sky brightness for interferometric imaging
Mei Y(梅盈)1; Wang F(王锋)1; Wang, W2; Yan, YH2
会议录名称2017 IEEE RADIO AND ANTENNA DAYS OF THE INDIAN OCEAN (RADIO)
2017-01
页码1-2
DOI10.23919/RADIO.2017.8242210
会议录编者/会议主办者IEEE
产权排序第1完成单位
收录类别EI ; CPCI
会议名称IEEE Radio and Antenna Days of the Indian Ocean (RADIO)
会议日期2017-09-25
会议地点Cape Town, SOUTH AFRICA
会议赞助商IEEE; Radio Soc Mauritius; APS; SKA AFRICA; Newton Fund; Dev Africa Radio Astron; URSI; IEEE Reg 8; CST; Mobile & Wireless Forum
摘要

As a dedicated solar radio interferometer, the MingantU SpEctral RadioHeliograph (MUSER) generates massive observational data in the frequency range from 400 MHz to 15 GHz. The image quality depends strongly on the phase calibration and imaging algorithms. And, clean, which are really extraordinarily time consumption deconvolution operations, is an essential step to get high-quality images. In this paper, we proposed an approach to estimate the probably brightness of the solar disk and sky, which can give the parameters for phase calibration. Meanwhile, the number of iterations for clean algorithms can be determined by the estimated sky brightness, which can effectively improve the efficiency of clean performance. The preliminary experimental result of the MUSER imaging proves the availability of this approach.

资助项目National Key Research and Development Program of China[2016YFE0100300] ; National Natural Science Foundation of China (NSFC)[U1231205] ; National Natural Science Foundation of China (NSFC)[U1531132] ; National Natural Science Foundation of China (NSFC)[U1631129] ; Chinese Academy of Sciences (CAS)[U1231205] ; Chinese Academy of Sciences (CAS)[U1531132] ; Chinese Academy of Sciences (CAS)[U1631129] ; National Natural Science Foundation of China[11403009] ; National Natural Science Foundation of China[11463003]
项目资助者National Key Research and Development Program of China ; National Natural Science Foundation of China (NSFC) ; Chinese Academy of Sciences (CAS) ; National Natural Science Foundation of China
语种英语
学科领域天文学 ; 天文学其他学科 ; 电子、通信与自动控制技术 ; 计算机科学技术
学科门类理学 ; 理学::天文学 ; 工学 ; 工学::电子科学与技术(可授工学、理学学位) ; 工学::信息与通信工程 ; 工学::计算机科学与技术(可授工学、理学学位)
文章类型Proceedings Paper
出版者IEEE
出版地345 E 47TH ST, NEW YORK, NY 10017 USA
ISBN号978-99949-0-401-3
URL查看原文
WOS记录号WOS:000427830000005
WOS研究方向Engineering ; Telecommunications
WOS类目Engineering, Electrical & Electronic ; Telecommunications
EI入藏号20181705056897
EI主题词Luminance
EI分类号941.3optical Instruments
引用统计
文献类型会议论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/12136
专题其他
通讯作者Mei Y(梅盈)
作者单位1.Chinese Acad Sci, Yunnan Observ, Kunming, Yunnan, Peoples R China
2.Chinese Acad Sci, Natl Astron Observ, Beijing, Peoples R China
推荐引用方式
GB/T 7714
Mei Y,Wang F,Wang, W,et al. Detection of solar disk and sky brightness for interferometric imaging[C]//IEEE. 345 E 47TH ST, NEW YORK, NY 10017 USA:IEEE,2017:1-2.
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