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VLBI NETWORK SIMULATOR: AN INTEGRATED SIMULATION TOOL FOR RADIO ASTRONOMERS
Zhao, Zhen; An, Tao; Lao, Baoqiang
2019-10-01
Source PublicationJOURNAL OF THE KOREAN ASTRONOMICAL SOCIETY
ISSN1225-4614
Volume52Issue:5Pages:207-216
Corresponding AuthorAn, Tao(antao@shao.ac.cn)
AbstractIn this paper we introduce a software package, the Very long baseline interferometry Network SIMulator (VNSIM), which provides an integrated platform assisting radio astronomers to design Very Long Baseline Interferometry (VLBI) experiments and evaluate the network performance, with a user-friendly interface. Though VNSIM is primarily motivated by the East Asia VLBI Network, it can also be used for other VLBI networks and generic interferometers. The software package not only integrates the functionality of plotting (u, v) coverage, scheduling the observation, and displaying the dirty and CLEAN images, but also adds new features including sensitivity calculations for a given VLBI network. VNSIM provides flexible interactions on both command line and graphical user interface and offers friendly support for log reports and database management. Multi-processing acceleration is also supported, enabling users to handle large survey data. To facilitate future developments and updates, all simulation functions are encapsulated in separate Python modules, allowing independent invoking and testing. In order to verify the performance of VNSIM, we performed simulations and compared the results with other simulation tools, showing good agreement.
Keywordtechniques: interferometric methods: numerical
DOI10.5303/JKAS.2019.52.5.207
WOS KeywordPROGRAM
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000504888500005
PublisherKOREAN ASTRONOMICAL SOCIETY
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/35367
Collection中国科学院紫金山天文台
Corresponding AuthorAn, Tao
AffiliationChinese Acad Sci, Key Lab Radio Astron, Shanghai Astron Observ, Shanghai 200030, Peoples R China
Recommended Citation
GB/T 7714
Zhao, Zhen,An, Tao,Lao, Baoqiang. VLBI NETWORK SIMULATOR: AN INTEGRATED SIMULATION TOOL FOR RADIO ASTRONOMERS[J]. JOURNAL OF THE KOREAN ASTRONOMICAL SOCIETY,2019,52(5):207-216.
APA Zhao, Zhen,An, Tao,&Lao, Baoqiang.(2019).VLBI NETWORK SIMULATOR: AN INTEGRATED SIMULATION TOOL FOR RADIO ASTRONOMERS.JOURNAL OF THE KOREAN ASTRONOMICAL SOCIETY,52(5),207-216.
MLA Zhao, Zhen,et al."VLBI NETWORK SIMULATOR: AN INTEGRATED SIMULATION TOOL FOR RADIO ASTRONOMERS".JOURNAL OF THE KOREAN ASTRONOMICAL SOCIETY 52.5(2019):207-216.
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