[关键词]
[摘要]
如何高效而又有较少拖尾的将信号辐射出去是超宽带天线的设计关键，本文利用FDTD方法研究了TEM喇叭，得出喇叭的形状和激励脉冲的脉宽对TEM喇叭的传输波形的影响。
[Key word]
[Abstract]
Ringing in the antenna,antenna bandwidth and the capability of radiating an undistorted pulse are important antenna parameters for ultra-wideband antenna .In this paper the FDTD numerical method is used to study the feature of TEM horn and its influence on the transmitted waveform can be obtained by studying the shape of the horn and the width of pulse.
[中图分类号]
TN822.8
[基金项目]
国家自然科学基金资助 (No .6983 10 2 0 )，国家重点基础研究发展规划 ( 973 )项目 ( 2 0 0 1CB3 0 940 5 )资助
