可重构天线的FDTD研究  

Study on A Reconfigurable Antenna by Using of FDTD

作　　者：彭海兵[1] 王东进[1] 

机构地区：[1]中国科学技术大学

出　　处：《火控雷达技术》2007年第4期1-4,67,共5页Fire Control Radar Technology

摘　　要：基于共面波导漏波结构,提出了一种方向图可重构的天线结构,该天线采用开关重构漏波结构周期,并使用两个馈电端口。采用时域有限差分法(FDTD)对天线的可重构特性进行了仿真分析。计算结果表明该方法能快速准确地确定周期结构漏波天线设计中的关键参数-基波传播常数。By employing switch reconfigurable leaky-wave structure period and two feed ports, an antenna structure with reconfigurable pattern is designed based on coplanar wave-guide leaky-wave structure. Reconfigurable characteristic of the antenna is simulated by way of finite difference time domain （FDTD） method; analyzing results indicate that this method can quickly and accurately determine fundamental propagation constant in design of leaky-wave antenna with periodical structure.

关 键 词：可重构天线 时域有限差分法 

分 类 号：TN82[电子电信—信息与通信工程]