NAOC Open IR
An agile very low frequency radio spectrum explorer
Chen, Lin-Jie1; Yan, Yi-Hua1,2; Fan, Qiu-Xiang3; Geng, Li-Hong1; Bisoi, Susanta Kumar1,4
2021-05-01
Source PublicationRESEARCH IN ASTRONOMY AND ASTROPHYSICS
ISSN1674-4527
Volume21Issue:4Pages:10
AbstractThe very low frequency (VLF) regime below 30 MHz in the electromagnetic spectrum has presently been drawing global attention in radio astronomical research due to its potentially significant science outcomes exploring many unknown extragalactic sources, transients, and so on. However, the nontransparency of the Earth's ionosphere, ionospheric distortion and artificial radio frequency interference (RFI) have made it difficult to detect the VLF celestial radio emission with ground-based instruments. A straightforward solution to overcome these problems is a space-based VLF radio telescope, just like the VLF radio instruments onboard the Chang'E-4 spacecraft. But building such a space telescope would be inevitably costly and technically challenging. The alternative approach would be then a ground-based VLF radio telescope. Particularly, in the period of post 2020 when the solar and terrestrial ionospheric activities are expected to be in a 'calm' state, it will provide us a good chance to perform VLF ground-based radio observations. Anticipating such an opportunity, we built an agile VLF radio spectrum explorer co-located with the currently operationalMingantu Spectra Radio Heliograph (MUSER). The instrument includes four antennas operating in the VLF frequency range 1-70 MHz. Along with them, we employ an eight-channel analog and digital receivers to amplify, digitize and process the radio signals received by the antennas. We present in the paper this VLF radio spectrum explorer and the instrument will be useful for celestial studies of VLF radio emissions.
Keywordvery low frequency instrumentation polarimeters methods data analysis
Funding OrganizationNational Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Key R&D 278 Program of China ; National Key R&D 278 Program of China ; CE- 4 mission of the Chinese Lunar Exploration Program ; CE- 4 mission of the Chinese Lunar Exploration Program ; Netherlands-China Low Frequency Explorer (NCLE) ; Netherlands-China Low Frequency Explorer (NCLE) ; Chinese Academy of Sciences (CAS) Strategic Priority Research Program ; Chinese Academy of Sciences (CAS) Strategic Priority Research Program ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Key R&D 278 Program of China ; National Key R&D 278 Program of China ; CE- 4 mission of the Chinese Lunar Exploration Program ; CE- 4 mission of the Chinese Lunar Exploration Program ; Netherlands-China Low Frequency Explorer (NCLE) ; Netherlands-China Low Frequency Explorer (NCLE) ; Chinese Academy of Sciences (CAS) Strategic Priority Research Program ; Chinese Academy of Sciences (CAS) Strategic Priority Research Program ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Key R&D 278 Program of China ; National Key R&D 278 Program of China ; CE- 4 mission of the Chinese Lunar Exploration Program ; CE- 4 mission of the Chinese Lunar Exploration Program ; Netherlands-China Low Frequency Explorer (NCLE) ; Netherlands-China Low Frequency Explorer (NCLE) ; Chinese Academy of Sciences (CAS) Strategic Priority Research Program ; Chinese Academy of Sciences (CAS) Strategic Priority Research Program ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Key R&D 278 Program of China ; National Key R&D 278 Program of China ; CE- 4 mission of the Chinese Lunar Exploration Program ; CE- 4 mission of the Chinese Lunar Exploration Program ; Netherlands-China Low Frequency Explorer (NCLE) ; Netherlands-China Low Frequency Explorer (NCLE) ; Chinese Academy of Sciences (CAS) Strategic Priority Research Program ; Chinese Academy of Sciences (CAS) Strategic Priority Research Program
DOI10.1088/1674-4527/21/4/85
WOS KeywordLOFAR
Language英语
Funding ProjectNational Natural Science Foundation of China (NSFC)[11573043] ; National Natural Science Foundation of China (NSFC)[11790305] ; National Natural Science Foundation of China (NSFC)[11433006] ; National Key R&D 278 Program of China[2018YFA0404602] ; CE- 4 mission of the Chinese Lunar Exploration Program ; Netherlands-China Low Frequency Explorer (NCLE) ; Chinese Academy of Sciences (CAS) Strategic Priority Research Program[XDA15020200]
Funding OrganizationNational Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Key R&D 278 Program of China ; National Key R&D 278 Program of China ; CE- 4 mission of the Chinese Lunar Exploration Program ; CE- 4 mission of the Chinese Lunar Exploration Program ; Netherlands-China Low Frequency Explorer (NCLE) ; Netherlands-China Low Frequency Explorer (NCLE) ; Chinese Academy of Sciences (CAS) Strategic Priority Research Program ; Chinese Academy of Sciences (CAS) Strategic Priority Research Program ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Key R&D 278 Program of China ; National Key R&D 278 Program of China ; CE- 4 mission of the Chinese Lunar Exploration Program ; CE- 4 mission of the Chinese Lunar Exploration Program ; Netherlands-China Low Frequency Explorer (NCLE) ; Netherlands-China Low Frequency Explorer (NCLE) ; Chinese Academy of Sciences (CAS) Strategic Priority Research Program ; Chinese Academy of Sciences (CAS) Strategic Priority Research Program ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Key R&D 278 Program of China ; National Key R&D 278 Program of China ; CE- 4 mission of the Chinese Lunar Exploration Program ; CE- 4 mission of the Chinese Lunar Exploration Program ; Netherlands-China Low Frequency Explorer (NCLE) ; Netherlands-China Low Frequency Explorer (NCLE) ; Chinese Academy of Sciences (CAS) Strategic Priority Research Program ; Chinese Academy of Sciences (CAS) Strategic Priority Research Program ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Key R&D 278 Program of China ; National Key R&D 278 Program of China ; CE- 4 mission of the Chinese Lunar Exploration Program ; CE- 4 mission of the Chinese Lunar Exploration Program ; Netherlands-China Low Frequency Explorer (NCLE) ; Netherlands-China Low Frequency Explorer (NCLE) ; Chinese Academy of Sciences (CAS) Strategic Priority Research Program ; Chinese Academy of Sciences (CAS) Strategic Priority Research Program
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000657382200001
PublisherNATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/77034
Collection中国科学院国家天文台
Corresponding AuthorChen, Lin-Jie
Affiliation1.Chinese Acad Sci, Natl Astron Observ, Key Lab Solar Act, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Sch Astron & Space Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Automat, Beijing 100190, Peoples R China
4.Natl Inst Technol, Rourkela 769008, India
Recommended Citation
GB/T 7714
Chen, Lin-Jie,Yan, Yi-Hua,Fan, Qiu-Xiang,et al. An agile very low frequency radio spectrum explorer[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2021,21(4):10.
APA Chen, Lin-Jie,Yan, Yi-Hua,Fan, Qiu-Xiang,Geng, Li-Hong,&Bisoi, Susanta Kumar.(2021).An agile very low frequency radio spectrum explorer.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,21(4),10.
MLA Chen, Lin-Jie,et al."An agile very low frequency radio spectrum explorer".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 21.4(2021):10.
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