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
收藏
页码：526 / 534
页数：9
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