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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
Source Publication2017 IEEE RADIO AND ANTENNA DAYS OF THE INDIAN OCEAN (RADIO)
2017-01
Pages1-2
DOI10.23919/RADIO.2017.8242210
Author of SourceIEEE
Contribution Rank第1完成单位
Indexed ByEI ; CPCI
Conference NameIEEE Radio and Antenna Days of the Indian Ocean (RADIO)
Conference Date2017-09-25
Conference PlaceCape Town, SOUTH AFRICA
Conference SponsorIEEE; Radio Soc Mauritius; APS; SKA AFRICA; Newton Fund; Dev Africa Radio Astron; URSI; IEEE Reg 8; CST; Mobile & Wireless Forum
Abstract

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.

Funding ProjectNational 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]
Funding OrganizationNational 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
Language英语
Subject Area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
MOST Discipline Catalogue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)
SubtypeProceedings Paper
PublisherIEEE
Publication Place345 E 47TH ST, NEW YORK, NY 10017 USA
ISBN978-99949-0-401-3
URL查看原文
WOS IDWOS:000427830000005
WOS Research AreaEngineering ; Telecommunications
WOS SubjectEngineering, Electrical & Electronic ; Telecommunications
EI Accession Number20181705056897
EI KeywordsLuminance
EI Classification Number941.3optical Instruments
Citation statistics
Document Type会议论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/12136
Collection其他
Corresponding AuthorMei Y(梅盈)
Affiliation1.Chinese Acad Sci, Yunnan Observ, Kunming, Yunnan, Peoples R China
2.Chinese Acad Sci, Natl Astron Observ, Beijing, Peoples R China
Recommended Citation
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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