Analysis of equivalent antenna based on FDTD method

被引：3
|
作者：
Yang, Yun-Xing [1 ]
Zhao, Hui-Chang [1 ]
Di, Cui [1 ]
机构：
[1] Nanjing Univ Sci & Technol, Sch Elect & Opt Engn, Nanjing 210094, Jiangsu, Peoples R China
来源：
DEFENCE TECHNOLOGY | 2014年 / 10卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Equivalent microstrip antenna; FDTD; Multi-permittivity dielectric;
D O I：
10.1016/j.dt.2014.07.005
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
An equivalent microstrip antenna used in radio proximity fuse is presented. The design of this antenna is based on multilayer multi-permittivity dielectric substrate which is analyzed by finite difference time domain (FDTD) method. Equivalent iterative formula is modified in the condition of cylindrical coordinate system. The mixed substrate which contains two kinds of media (one of them is air) takes the place of original single substrate. The results of equivalent antenna simulation show that the resonant frequency of equivalent antenna is similar to that of the original antenna. The validity of analysis can be validated by means of antenna resonant frequency formula. Two antennas have same radiation pattern and similar gain. This method can be used to reduce the weight of antenna, which is significant to the design of missile-borne antenna. Copyright (C) 2014, China Ordnance Society. Production and hosting by Elsevier B.V. All rights reserved.
引用
收藏
页码：304 / 307
页数：4
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