基于新型电磁材料的宽带小型化天线研究

项目名称： 基于新型电磁材料的宽带小型化天线研究

项目编号： No.61271090

项目类型： 面上项目

立项/批准年度： 2013

项目学科： 无线电电子学、电信技术

项目作者： 冯全源

作者单位： 西南交通大学

项目金额： 91万元

中文摘要： 由于无线通信技术的发展和市场的需求，各种无线设备的体积越来越小，工作频段越来越多，功能越来越复杂，天线是所有无线通信系统的入口和出口，其性能的优劣对整个系统的性能有着重要的影响。如何实现天线的小型化和宽带宽是天线研究的热点和难点，本项目将对基于新型电磁材料的宽带小型化天线系统进行研究。1）通过离子取代制备出新型电磁材料，并对其微结构开展研究，同时建立其等效模型；2）对新型电磁材料的电磁参数同天线参数的关系进行探索性研究，并结合智能优化算法设计出宽带、小型化、高性能的新型天线；3）深入了解天线工作的物理机制，获得天线内部电磁场以及表面电流分布规律，并用其描述天线的电气特性和辐射特性。分析天线性能随天线各个参数的变化规律，合理调整天线的各项参数实现天线的优化设计，以新型电磁材料为介质来设计天线，对天线的馈电、匹配、控制方式、建模和优化算法等开展研究。

中文关键词： 天线；新型电磁材料；小型化；宽带；天线效率

英文摘要： Due to the development of wireless communication technology and the demands of the market, the volume of a variety of wireless devices, with more and more working band and complicated functions, is becoming smaller and smaller. Regarded as the entry and exit of all wireless communication systems, the performance of antennas has an important influence on the whole system capability. The most hot and difficult point of research is how to achieve miniaturization and wide bandwidth of antennas. This project will develop a broadband miniaturized antenna system based on novel electromagnetic material. 1) Producing novel electromagnetic material by ion substitution, studying its micro-structure and establishing its equivalent model. 2) Conducting an exploratory study about the relationship between the electromagnetic parameters of the new electromagnetic material and the parameters of antennas, and then combining of intelligent optimization algorithms to design a novel broadband, miniaturization, high-performance antenna. 3) Depth understanding of the physical mechanism of the antenna works to acquire its internal electromagnetic field and surface current distribution law, and describe the electrical characteristics and radiation characteristics of the antenna. Analyzing the performance of the antenna with variation of

英文关键词： Antenna；Novel electromagnetic material；Miniaturization；Broadband；Antenna efficiency