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

页码：75 / 79

页数：5

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