Modes selection for large reflector antenna structure

doi:10.1049/cp.2015.1495

CORC > 新疆天文台 > 研究单元未命名 > 110米口径全可动射电望远镜（SmART） > 110米大口径全可动射电望远镜关键技术研究（973项目） > 课题2：复杂环境下天线结构保型与高精度指向控制

	Modes selection for large reflector antenna structure
	Li, S. L.2; Wei, X. M.1
	2016-06-13
会议日期	October 7, 2015 - October 10, 2015
会议地点	Guilin, China
关键词	Antenna Reflectors Elastic Deformation Finite Element Method Modal Analysis Reflection Transfer Functions
卷号	2015
DOI	10.1049/cp.2015.1495
英文摘要	In order to explore some unknown territory and capture information from distant infinite space more effectively, reflector antennas tend to larger diameter and higher operating frequencies. Along with this trend, the influence of elastic deformation of antenna structure to the dynamics is much more significantly. However, the number of antenna nodes in finite element models often reach to tens of thousands, the description method for elastic deformation in node based coordinates will result in large model that hard to solve. So, the conversion of deformation description to modal coordinates will greatly reduce the computational workload and scale. Therefore, how to select key modes from a large number of modes is very important. It is crucial. Firstly, this paper describes several modal selection methods, and noted that the modal selection method for large antenna structure. Simulation results show that the method is stable and reliable. It will lay a solid foundation for the large antenna dynamics modeling and closed-loop control. 2015, Institution of Engineering and Technology. All rights reserved.
项目编号	2015CB857100 ; 51305321 ; XJS15040
会议录	IET Conference Publications
资助机构	National Key Basic Research Program 973 ; Institution of Engineering and Technology ; National Natural Foundation of China ; the Fundamental Research Funds for the Central Universities
会议录出版者	Institution of Engineering and Technology
语种	英语
URL标识	查看原文
ISBN号	978-1-78561-036-3
内容类型	会议论文
源URL	[http://ir.xao.ac.cn/handle/45760611-7/1576]
专题	新疆天文台_110米口径全可动射电望远镜（SmART）_110米大口径全可动射电望远镜关键技术研究（973项目）_课题2：复杂环境下天线结构保型与高精度指向控制
作者单位	1.Norinco Group Test and Measuring Acadamy, WeiNan, Shaanxi, China,857638590@qq.com 2.Key Laboratory of Electronic Equipment Structure Design of Ministry of Education,Xidian University, Xi’An, Shaanxi, China,slli@xidian.edu.cn
推荐引用方式 GB/T 7714	Li, S. L.,Wei, X. M.. Modes selection for large reflector antenna structure[C]. 见:. Guilin, China. October 7, 2015 - October 10, 2015.