Analysis of an Inclined Aperture Antenna Based on an Open-Ended Rectangular Waveguide Using FDTD Method

GAO Wen-jun; L

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Analysis of an Inclined Aperture Antenna Based on an Open-Ended Rectangular Waveguide Using FDTD Method

更新时间：2025-07-16

- Analysis of an Inclined Aperture Antenna Based on an Open-Ended Rectangular Waveguide Using FDTD Method
- Acta Electronica Sinica Vol. 29, Issue S1, Pages: 1912-1913(2001)
- 作者机构：
  
  北京航空航天大学电子工程系,北京,100083
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN823TM15
- Published：2001
- 稿件说明：
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GAO Wen-jun, L. Analysis of an Inclined Aperture Antenna Based on an Open-Ended Rectangular Waveguide Using FDTD Method[J]. Acta Electronica Sinica, 2001, 29(S1): 1912-1913.
DOI：

GAO Wen-jun, L. Analysis of an Inclined Aperture Antenna Based on an Open-Ended Rectangular Waveguide Using FDTD Method[J]. Acta Electronica Sinica, 2001, 29(S1): 1912-1913. DOI：

摘要

应用时域有限差分(FDTD)法

结合时域近场远场转换公式

分析矩形波导斜切口面的辐射特性.分析的斜切口面是把矩形波导管两个窄边同时渐削

宽边尺寸保持不变形成的辐射口面.应用FDTD法分析

较精确地解决了波导边缘的绕射问题.计算了主模激励时主面辐射方向图

与实验结果基本吻合.本文为这种波导斜切口面天线的分析设计提供了一种较精确、方便有效的方法.

Abstract

An inclined aperture antenna based on an open-ended rectangular waveguide was analyzed using FDTD method in conjunction with the time-domain near zone to far zone transformation.The antenna is tapered at the opening on both narrow sides of a rectangular waveguide

while the wide sides are maintained.The deffraction field of the fringe is calculated using FDTD and the field pattern excited by the dominant mode is validated.

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