Effects of random errors in different rings on reflector's gain and sidelobe levels

doi:10.1049/cp.2015.1511

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

	Effects of random errors in different rings on reflector's gain and sidelobe levels
	Lian, P. Y.; Wang, C. S.; Wang, W.
	2016-06-13
会议日期	October 7, 2015 - October 10, 2015
会议地点	Guilin, China
关键词	Random Errors Errors Multiobjective Optimization Optimization Radiation Effects Reflection
卷号	2015
DOI	10.1049/cp.2015.1511
英文摘要	Effect analysis of the reflector surface errors on radiation characteristics is one important research topic. In this paper, a mathematical model is developed to describe the influencing degree of the random errors in different rings on reflector's gain and sideloble level (SLL). Then, based on the proposed model, through the analysis for the errors in different rings, the curves for the gain loss (GL) and the first sidelobe level increase (SLLI) are presented to show the effects of random errors in different rings on radiation characteristics. First, to show their correctness, several simulations with different non-uniform surface errors are presented. Then, a multi-objective optimization model is constructed to further analyze the effects of the errors in different rings. Some useful results have been obtained. Simulations show that the errors' distribution along the radius has an important effect on GL and SLLI, and the errors' non-uniformity should also be considered in the evaluation of the reflector surface. 2015, Institution of Engineering and Technology. All rights reserved.
项目编号	2015CB857100 ; 51490660 ; 51305323 ; 2014KL012
会议录	IET Conference Publications
资助机构	National 973 Program ; Institution of Engineering and Technology ; the National Natural Science Foundation of China ; the Foundation for Key Laboratory of Xinjiang Uygur Autonomous Region
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/45760611-7/1577]
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	Key Laboratory of Electronic Equipment Structure Design, Ministry of Education, School of Electromechanical Engineering, Xidian University, Xi'an, 710071, China
推荐引用方式 GB/T 7714	Lian, P. Y.,Wang, C. S.,Wang, W.. Effects of random errors in different rings on reflector's gain and sidelobe levels[C]. 见:. Guilin, China. October 7, 2015 - October 10, 2015.