PMO OpenIR
Design and implementation of PFB module with 10G network transmission system in CDAS2
Yu, Wei1; Zhu, Renjie2,3,4; Chen, Lan5; Wu, Yajun2,3,4; Zhang, Xiuzhong2
2018-10-01
Source PublicationJOURNAL OF ASTRONOMICAL TELESCOPES INSTRUMENTS AND SYSTEMS
ISSN2329-4124
Volume4Issue:4Pages:11
Corresponding AuthorZhu, Renjie(zhurj@shao.ac.cn)
AbstractDigital baseband converters (DBBC) are among the core equipment in a very long baseline interferometry (VLBI) system, which undertakes missions of data acquisition, analog-to-digital conversion, and frequency selection. In order to enhance the measurement resolution of the Chinese VLBI Network (CVN), a new generation of DBBC named CDAS2 (the second-generation Chinese VLBI data acquisition system) has been developed. CDAS2 uses polyphase filter banks (PFB) and fast Fourier transform to convert signals from intermediate frequency to baseband. A high-speed sampling analog-to-digital converter is adopted to guarantee CDAS2's broadband observation ability. In order to facilitate the broadband observation ability of CDAS2, a high-speed data transmission system is designed to transmit data from CDAS2 to a data recording server. The data transmission system includes a Mark5B formatter and a 10G network transmission system. We describe the detailed design of PFB and the data transmission system. We installed two CDAS2s in two radio astronomical telescopes of Shanghai Astronomical Observatory to carry out observation experiments for the radio source of 4C39.25. After processing with DiFX, we got interference fringes successfully. Our experiment demonstrates the validity and performance of CDAS2. (c) 2018 Society of Photo-Optical Instrumentation Engineers (SPIE)
Keywordvery long baseline interferometry polyphase filter banks digital baseband converter 10G network radio astronomical telescope
DOI10.1117/1.JATIS.4.4.048004
Indexed BySCI
Language英语
WOS Research AreaEngineering ; Instruments & Instrumentation ; Optics
WOS SubjectEngineering, Aerospace ; Instruments & Instrumentation ; Optics
WOS IDWOS:000466524500004
PublisherSPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
Citation statistics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/24680
Collection中国科学院紫金山天文台
Corresponding AuthorZhu, Renjie
Affiliation1.Tongji Univ, Coll Elect & Informat Engn, Shanghai, Peoples R China
2.Chinese Acad Sci, Shanghai Astron Observ, Shanghai, Peoples R China
3.Chinese Acad Sci, Key Lab Radio Astron, Nanjing, Jiangsu, Peoples R China
4.Chinese Acad Sci, CAS Key Lab Planetary Sci, Shanghai Astron Observ, Shanghai, Peoples R China
5.Shanghai Inst Technol, Shanghai, Peoples R China
Recommended Citation
GB/T 7714
Yu, Wei,Zhu, Renjie,Chen, Lan,et al. Design and implementation of PFB module with 10G network transmission system in CDAS2[J]. JOURNAL OF ASTRONOMICAL TELESCOPES INSTRUMENTS AND SYSTEMS,2018,4(4):11.
APA Yu, Wei,Zhu, Renjie,Chen, Lan,Wu, Yajun,&Zhang, Xiuzhong.(2018).Design and implementation of PFB module with 10G network transmission system in CDAS2.JOURNAL OF ASTRONOMICAL TELESCOPES INSTRUMENTS AND SYSTEMS,4(4),11.
MLA Yu, Wei,et al."Design and implementation of PFB module with 10G network transmission system in CDAS2".JOURNAL OF ASTRONOMICAL TELESCOPES INSTRUMENTS AND SYSTEMS 4.4(2018):11.
Files in This Item:
There are no files associated with this item.
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Yu, Wei]'s Articles
[Zhu, Renjie]'s Articles
[Chen, Lan]'s Articles
Baidu academic
Similar articles in Baidu academic
[Yu, Wei]'s Articles
[Zhu, Renjie]'s Articles
[Chen, Lan]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Yu, Wei]'s Articles
[Zhu, Renjie]'s Articles
[Chen, Lan]'s Articles
Terms of Use
No data!
Social Bookmark/Share
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.