Quasistatic capacitance and frequency-dependent effective permittivity of multilayer microstrip patch antennas

被引：5
|
作者：
Lowes, P [1 ]
Scott, S [1 ]
Korolkiewicz, E [1 ]
Sambell, A [1 ]
机构：
[1] Northumbria Univ, Sch Engn, Newcastle Upon Tyne NE1 8ST, Tyne & Wear, England
来源：
IEE PROCEEDINGS-MICROWAVES ANTENNAS AND PROPAGATION | 1998年 / 145卷 / 01期
关键词：
multilayer microstrip patch antennas; effective permittivity; quasistatic capacitance;
D O I：
10.1049/ip-map:19981405
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A variational method in the spectral domain is used to determine the quasistatic capacitance of a patch antenna within a nonhomogeneous multilayer structure, The patch is modelled both by a one dimensional analysis using a segment of an infinite transmission line and by a full two-dimensional representation. A new technique is presented for determining the relative permittivity of an equivalent single-layer structure, from which the frequency-dependent effective permittivity is obtained. Results for a number of different antenna structures are given and show good agreement with measured values.
引用
收藏
页码：75 / 79
页数：5
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