Hui Li
Professor Supervisor of Doctorate Candidates Supervisor of Master's Candidates
Main positions:信息与通信工程学院副院长
Gender:Female
Alma Mater:Royal Institute of Technology
Degree:Doctoral Degree
School/Department:School of Information and Communication Engineering
Discipline:Communication and Information Systems. Electromagnetic Field and Microwave Technology
Business Address:No. 2, Linggong Road, Dalian University of Technology, Dalian, Liaoning Province; 116024
Contact Information:hui.li@dlut.edu.cn
E-Mail:hui.li@dlut.edu.cn
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Indexed by:会议论文
Date of Publication:2019-05-19
Page Number:3
Key Words:特征模理论;天线馈电;Q值理论;多天线系统;方向图综合
Abstract:天线的馈电布置是影响天线性能的重要环节,对天线设计起着至关重要的作用。与传统的依赖经验和试错的馈电布置方法不同,本文依据特征模理论,为天线馈电布置提供指导性方案。以手机天线为例,依据特征模式的近场和远场分布,布置馈源,以激励不同的模式,将多天线在低频(900MHz)的隔离度提高至15 dB以上,再通过分析和控制特征电流的分布,选取馈电位置,实现手机天线的多模式、多频带工作。除定性分析的馈电布置之外,本文还以定量分析的方法,逼近电小天线的Q值,实现方向图的综合。配合以计算机辅助的优化算法,通过馈电网络,对天线进行优化设计,达到相应的技术目标。
Hui Li was born in Heilongjiang province, China. She received the B.E. degree in optical engineering from Tianjin University (TJU), China, in 2007 and Ph.D degree in electrical engineering from the Royal Institute of Technology (KTH), Sweden, in 2012. She is currently an associate professor at Dalian University of Technology. Research Interests:Multiple input multiple output systems, millimeter wave antenna, implantable antnena, RFID, theory of characteristic mode and etc.
