Efficient Analysis of Wireless Communication Antennas Using an Accurate [Z] Matrix Interpolation Technique

被引：2
|
作者：
Chen, Yikai [1 ]
Yang, Shiwen [1 ]
He, Shiquan [1 ]
Nie, Zaiping [1 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Elect Engn, Dept Microwave Engn, Chengdu 610054, Peoples R China
来源：
INTERNATIONAL JOURNAL OF RF AND MICROWAVE COMPUTER-AIDED ENGINEERING | 2010年 / 20卷 / 04期
关键词：
method of moments (MoM); impedance matrix interpolation; PIFA; E-shaped patch antenna; INTEGRAL-EQUATION; MOMENTS; PATCH;
D O I：
10.1002/mmce.20442
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
An accurate impedance matrix interpolation technique based on the surface integral equation (SIE) is presented for the analysis of wireless communication antennas over wide frequency bands. The first-order derivative of the impedance matrix at the internal frequency is considered in the cubic polynomial-based interpolation scheme, thus the novel impedance matrix interpolation scheme will provide high accuracy and high efficiency over a frequency band. To demonstrate the efficiency and accuracy of the proposed method, numerical results for planar inverted F antennas (PIFA) and a wideband E-shaped patch antenna are presented. Good agreement among the interpolation results, exact MoM solutions, finite element method (FEM) solutions, and measured data is observed over the bandwidth. Besides, dimensions of the feeding probe are also studied to investigate their effect on the input impedance and radiation patterns. (C) 2010 Wiley Periodicals, Inc. Int J RF and Microwave CAE 20: 382-390, 2010.
引用
收藏
页码：382 / 390
页数：9
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