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大型射电望远镜天线主动面补偿研究进展
Alternative TitleDevelopment of active surface technology of large radio telescope antennas
王从思1,2; 肖岚1,3; 项斌斌1,4; 王伟1; 许谦4; 蒋力5; 王娜4; 段宝岩1
2017-05-01
Source Publication中国科学:物理学 力学 天文学
ISSN1674-7275
Volume47Issue:5Pages:059503
Contribution Rank4
Abstract

随着射电望远镜全可动天线的口径扩大与频段提升,天线在观测时的高电性能难以保障,必须采用机械补偿与电子补偿等手段.为确保天线的指向精度与作用距离,有必要对天线赋形反射面的空间位置与几何形状进行调整,即主动面调整,这是补偿天线电性能最有效的手段.为此,本文阐述了国内外有关主动面补偿的应用情况,总结了大型天线主动面补偿的基本原理及适用范围,详细分析了面形调整量计算、主面分块设计、促动器设计、主动面控制系统及面形检测五项关键技术,并对世界上已采用主动主反射面调整的四部大天线进行了对比讨论,最后给出了主动面补偿技术在未来大型射电望远镜天线上的研究方向.

Other Abstract

Aperture expanding and frequency upgrading of full steerable antennas make the electrical performance of the antennas difficult to guarantee, and that radio telescopes operate in a complex environment, so it has to improve the performance by some methods like mechanical or electronic compensation. To control the pointing accuracy and the detecting distance of antennas, we must adjust the position and the surface shape of shaped reflectors, in another word, the active surface adjustment is the most effective way. Therefore, this article describes the situation and status of applications of active surface adjustment. Then, it summarizes the basic principle and the applications of active surface adjustment and particularly analyzes the key technologies which include the calculation of actuator movement, the block design of main surface, the actuator design, the active surface control system and the surface profile measuring. The comparisons among four large radio telescopes of the world are discussed, which have used active surface technology. At last, it points out some suggestions on the future research of active surface technology of large radio telescopes such as QTT.

Correspondent Emailcongsiwang@163.com
Keyword射电望远镜 天线反射面 主动调整 机电耦合 性能补偿
DOI10.1360/SSPMA2017-00011
URL查看原文
Indexed ByCSCD ; 中文核心期刊要目总览
Language中文
WOS Keyword射电望远镜 ; 天线反射面 ; 主动调整 ; 机电耦合 ; 性能补偿
CSCD IDCSCD:5967525
Funding Organization国家重点基础研究发展计划(编号:2015CB857100) ; 国家自然科学基金(编号:51522507,51475349,51490660) ; 陕西省青年科技新星计划(编号:2016KJXX-06) ; 高等学校学科创新引智计划(编号:B14042) ; 中央高校基本科研业务费专项资金(编号:SPSZ011401,7214479606)
Citation statistics
Cited Times:4[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.xao.ac.cn/handle/45760611-7/1791
Collection射电天文研究室_已撤销团组_天线技术组
射电天文研究室
其它
Corresponding Author王从思
Affiliation1.西安电子科技大学电子装备结构设计教育部重点实验室, 西安710071
2.加利福尼亚大学机械工程系, 伯克利94720, 美国
3.华为技术有限公司, 深圳518129
4.中国科学院新疆天文台, 乌鲁木齐830011
5.中国电子科技集团公司第三十九研究所, 西安710065
Recommended Citation
GB/T 7714
王从思,肖岚,项斌斌,等. 大型射电望远镜天线主动面补偿研究进展[J]. 中国科学:物理学 力学 天文学,2017,47(5):059503.
APA 王从思.,肖岚.,项斌斌.,王伟.,许谦.,...&段宝岩.(2017).大型射电望远镜天线主动面补偿研究进展.中国科学:物理学 力学 天文学,47(5),059503.
MLA 王从思,et al."大型射电望远镜天线主动面补偿研究进展".中国科学:物理学 力学 天文学 47.5(2017):059503.
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