NAOC Open IR
An efficient channelization architecture and its implementation for radio astronomy
Liu, W.1; Meng, Q.1; Wang, C.2; Zhou, C.1; Yao, S.1; Tariq, I.1
2021-08-01
Source PublicationJOURNAL OF INSTRUMENTATION
ISSN1748-0221
Volume16Issue:8Pages:17
AbstractChannelization is one of the most important parts in a Digital Back-End(DBE) for radio astronomy. A DBE with wider bandwidth and higher resolution consumes larger amount of computing and memory resources, which results in much higher hardware cost. This paper presents an efficient channelization architecture, which consists of Bit-Inverted, Parallel Complex Fast Fourier Transform(BIPC-FFT) and In-place Forward-Backward Decomposition(IPFBD). The efficient architecture can assist with saving a lot of resources, so a wide-band and high-resolution DBE can be implemented on an resource restricted platform. Based on the efficient channelization architecture, we designed a Dual-Input, 64K-Channelized prototype DBE with 1.2 GHz bandwidth on a Xilinx Virtex-6 LX240T Field Programmable Gate Array(FPGA) chip. The test results in the lab and observation results at Yunnan Observatory demonstrate the DBE can be used for radio astronomy.
KeywordInstrument optimisation Spectrometers
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
DOI10.1088/1748-0221/16/08/P08047
WOS KeywordUNIVERSE PULSAR SURVEY ; FACILITY
Language英语
Funding ProjectNational Natural Science Foundation of China[U1731120]
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS Research AreaInstruments & Instrumentation
WOS SubjectInstruments & Instrumentation
WOS IDWOS:000696896000003
PublisherIOP PUBLISHING LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/75700
Collection中国科学院国家天文台
Corresponding AuthorMeng, Q.
Affiliation1.Southeast Univ, Sch Informat Sci & Engn, Nanjing, Jiangsu, Peoples R China
2.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
Recommended Citation
GB/T 7714
Liu, W.,Meng, Q.,Wang, C.,et al. An efficient channelization architecture and its implementation for radio astronomy[J]. JOURNAL OF INSTRUMENTATION,2021,16(8):17.
APA Liu, W.,Meng, Q.,Wang, C.,Zhou, C.,Yao, S.,&Tariq, I..(2021).An efficient channelization architecture and its implementation for radio astronomy.JOURNAL OF INSTRUMENTATION,16(8),17.
MLA Liu, W.,et al."An efficient channelization architecture and its implementation for radio astronomy".JOURNAL OF INSTRUMENTATION 16.8(2021):17.
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