Analysis of equivalent antenna based on FDTD method

被引：0
|
作者：
Yun-xing YANG
Hui-chang ZHAO
Cui DI
机构：
[1] SchoolofElectronicandOpticalEngineering,NanjingUniversityofScienceandTechnology
来源：
Defence Technology | 2014年 / 10卷 / 03期
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摘要：
An equivalent microstrip antenna used in radio proximity fuse is presented.The design of this antenna is based on multilayer multipermittivity 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.
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页码：304 / 307
页数：4
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