ACCURATE CHARACTERIZATION OF PLANAR PRINTED ANTENNAS USING FINITE-DIFFERENCE TIME-DOMAIN METHOD

被引：43

作者：

WU, C ^{[1
]}

WU, KL ^{[1
]}

BI, ZQ ^{[1
]}

LITVA, J ^{[1
]}

机构：

[1] MCMASTER UNIV, DEPT ELECT & COMP ENGN, HAMILTON L8S 4K1, ONTARIO, CANADA

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 1992年 / 40卷 / 05期

关键词：

D O I：

10.1109/8.142627

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：

The finite-difference time-domain method (FDTD) is used to accurately characterize complex planar printed antennas with various feed structures, which include coaxial probe feed, microstrip line feed, and aperture coupled feed structures. A new coaxial probe model is developed by using a three-dimensional FDTD technique. This model is shown to be an efficient and accurate tool for modeling coaxial-line fed structures. A novel use of a dispersive absorbing boundary condition is presented for a printed antenna with a high dielectric constant. All the numerical results obtained by the FDTD method are compared with experimental results, and the comparison shows excellent agreement over a wide frequency band.

引用

页码：526 / 534

页数：9

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