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A new digital backend in radio astronomy based on under-sampling technology
Dong L(董亮)1; Wang M(汪敏)1; Bai, Zhengyao2; He, Lesheng2
会议录名称Proceedings of SPIE - FIFTH INTERNATIONAL CONFERENCE ON MACHINE VISION (ICMV 2012): ALGORITHMS, PATTERN RECOGNITION AND BASIC TECHNOLOGIES
2013
卷号8784
DOI10.1117/12.2014146
会议录编者/会议主办者Wang, Y; Tan, L; Zhou, J
产权排序第1完成单位
收录类别EI ; CPCI
会议名称5th International Conference on Machine Vision (ICMV) - Algorithms, Pattern Recognition and Basic Technologies
会议日期2012-10-20
会议地点Wuhan, PEOPLES R CHINA
会议赞助商Wuhan Univ; Huazhong Normal Univ; Aim Shams Univ; Sichuan Univ; Sci & Engn Inst
关键词Digital Backend Radio Astronomy Under-sampling Technology Adcintroduction
摘要

For traditional radio astronomy instruments, we usually achieve the wide bandwidth by using the single high speed sampling rate analogy to digital convertor (ADC). But this method can lead some problems for processing, such as radio frequency interference (RFI), data transmission and so on. Take advantage of ADCs' wide input bandwidth, we can also sample observation signals with wide bandwidth using comparatively low speed sampling rate. In this paper, we introduce the under-sampling technology, and then analyze some applications in radio astronomy. Finally, we introduce a new digital spectrometer based on this technology for solar radio observation whose core ADC is AD9430.

资助项目N/A
项目资助者N/A
语种英语
学科领域天文学 ; 射电天文学 ; 计算机科学技术
学科门类理学 ; 理学::天文学 ; 工学 ; 工学::计算机科学与技术(可授工学、理学学位)
文章类型Proceedings Paper
出版者SPIE-INT SOC OPTICAL ENGINEERING
出版地1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
ISBN号978-0-8194-9588-4
ISSN号0277-786X
URL查看原文
WOS记录号WOS:000318025200061
WOS研究方向Computer Science ; Optics
WOS类目Computer Science, Artificial Intelligence ; Optics
EI入藏号20132816487109
EI主题词Digital Radio
EI分类号716.1information Theory And Signal Processing - 716.3radio Systems And Equipment - 723.5computer Applications
引用统计
文献类型会议论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/5707
专题射电天文研究组
通讯作者Bai, Zhengyao
作者单位1.Yunnan Observatory of Chinese Academy of Sciences, Kunming 650011, China
2.School of Information Science and Engineering, Yunnan University, Kunming 650091, China
推荐引用方式
GB/T 7714
Dong L,Wang M,Bai, Zhengyao,et al. A new digital backend in radio astronomy based on under-sampling technology[C]//Wang, Y; Tan, L; Zhou, J. 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA:SPIE-INT SOC OPTICAL ENGINEERING,2013.
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