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一种55~65MHz频段射电天文天线阵接收机的设计
Alternative TitleAn Analog Receiver Designing of 55-65MHz Band Radio Astronomy Observation
董亮1,2,3; 姜涛4; 周绍红4; 汪敏1,2; 刘俊卿2,3; 郭少杰1,2
Source Publication天文研究与技术(Astronomical Research & Technology)
2017-04
Volume14Issue:2Pages:157-163
DOI10.14005/j.cnki.issn1672-7673.20160815.001
ClassificationP162
Contribution Rank第1完成单位
Indexed ByCSCD
Keyword低频段 Mmic芯片 模拟接收机
Abstract

30~300 MHz的低频段陆基天线阵是重要的射电观测设备,在该频段进行射电观测面临无线电环境复杂、天空背景温度高等特点。介绍了一种基于微波芯片设计的新型低频段模拟接收机。接收机由初级带通滤波器(30~70 MHz)、初级放大器、次级带通滤波器(55~65 MHz)、180°移相器、两个次级放大器组成。在测试云南天文台短波段无线电环境的基础上,接收机实现了对55~65 MHz可观测频段的选通和放大,整机噪声约为320 K,增益63 d B左右。同时作为中国射电天文低频阵前期研究的一部分,由于采用单片微波集成电路(Monolithic Microwave Integrated Circuit,MMIC)芯片,接收机具有体积小、成本低、易于量产等特点。

Other Abstract

The Ground-based antenna arrays are important radio observation instruments in low (Very High Frequency) band, but in this band, the observations have to face the bad radio environments and the high sky temperature.  In this paper, we introduce a new kind of analog receiver working in low band based on the MMIC (Microwave Monolithic Integrated Circuit) chips. This receiver consists of primary band pass filter, primary amplifier, secondary band pass filter, 180 degree phase shifter and two secondary primary amplifiers. Based on the radio environment testing results in the Yunnan observation site, this analog receiver achieves band passing and amplifying for the observation band from 55-65MHz, and this receiver' s system noise temperature is nearly 320K, the gain is nearly 63dB. At the same time, as a part of the Chinese low frequency band observation net,based on the MMIC technologies, this receiver has smaller volume, lower price and is easy to copy.

Funding Project国家自然科学基金[11303094] ; 国家自然科学基金[U1431113] ; 云南省应用基础研究计划面上项目[2015FB189] ; “西部之光”A 类人才计划
Funding Organization国家自然科学基金[11303094, U1431113] ; 云南省应用基础研究计划面上项目[2015FB189] ; “西部之光”A 类人才计划
Language中文
Subject Area天文学 ; 射电天文学 ; 射电天文学其他学科 ; 电子、通信与自动控制技术
MOST Discipline Catalogue理学 ; 理学::天文学 ; 工学 ; 工学::电子科学与技术(可授工学、理学学位) ; 工学::信息与通信工程
ISSN1672-7673
CSCD IDCSCD:5962227
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/9954
Collection射电天文研究组
Affiliation1.中国科学院云南天文台, 云南, 昆明,650011
2.云南大学-云南天文台信息技术联合实验室, 云南, 昆明, 650001
3.云南大学信息学院, 云南, 昆明, 650001
4.云南师范大学物理电子学院, 云南, 昆明, 650092
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
董亮,姜涛,周绍红,等. 一种55~65MHz频段射电天文天线阵接收机的设计[J]. 天文研究与技术(Astronomical Research & Technology),2017,14(2):157-163.
APA 董亮,姜涛,周绍红,汪敏,刘俊卿,&郭少杰.(2017).一种55~65MHz频段射电天文天线阵接收机的设计.天文研究与技术(Astronomical Research & Technology),14(2),157-163.
MLA 董亮,et al."一种55~65MHz频段射电天文天线阵接收机的设计".天文研究与技术(Astronomical Research & Technology) 14.2(2017):157-163.
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