项目名称: 用于空间功率合成的亚波长阵列研究
项目编号: No.61201089
项目类型: 青年科学基金项目
立项/批准年度: 2013
项目学科: 电子学与信息系统
项目作者: 葛广顶
作者单位: 西安空间无线电技术研究所
项目金额: 27万元
中文摘要: 如何构建众多功率输出通道相互独立的高密度亚波长阵列,从而提高空间功率合成的合成功率,是一项基础性研究课题,也是空间功率合成技术发展亟待解决的重要课题。本项目拟从亚波长阵列实现空间功率合成的设计需求角度出发,研究功率输出通道相互独立、功率容量相对较高、间距远小于波长的亚波长阵列,包括:用于远场空间功率合成的亚波长阵列电磁特性分析及综合方法研究;用亚波长阵列实现时间反演电磁波远场功率合成的机理及设计原理研究。利用时间反演电磁波自适应的空间、时间聚焦特性,通过理论研究、电磁仿真、实验测试分析,探索用该类阵列实现远场功率合成的机理和设计原理,为用于高性能移动终端的亚波长微结构天线阵列设计提供最佳的阵列结构、可靠的理论依据、高效高精度的设计方法。
中文关键词: 亚波长阵列;空间功率合成;时间反演电磁波;;
英文摘要: How to construct a high-density subwavelength array with numerous independent power output channels, which can greatly improves the power of spatial power combining, is one basic research project, and one important project in spatial power combiner technology.Considering the design requirement of achieving spatial power combining with subwavelength array, this project would conduct research on subwavelength array with independent power output channels, relatively high power capacity and elements distance far less than wavelength. And the work mainly includes research on analysis and synthesis method of the subwavelength array electromagnetic characteristic for spatial power combining, and the theory and design mechanism for subwavelength array realizing time reversal electromagnetic wave spatial power combining.This project takes advantage of the adaptive spatial and temporal focusing characteristic of time reversal electromagnetic wave. Through theoretic research, electromagnetic simulation and experimental analysis, the theory and design mechanism of spatial power combining realization with this kind of array is explored in far field. Furthermore, the optimized array structure, reliable theorctic guidance, high precision and high efficiency design method.
英文关键词: subwavelength array;spatial power combining;time reversal electromagnetic wave;;