Numerical Analysis of Sleeve Monopole in Parallel-Plate Waveguide

Zhi Ning Chen; Kazuhiro Hirasawa; Ke Wu

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Numerical Analysis of Sleeve Monopole in Parallel-Plate Waveguide

机译：Numerical Analysis of Sleeve Monopole in Parallel-Plate Waveguide

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摘要

A monopole with double sleeves, which consists of a resonant loading and a conventional sleeve monopole, is experimentally investigated. The loaded monopole is put vertically in a parallel-plate waveguide and driven by a coaxial feeder. The new structure exhibits a remarkably broad impedance bandwidth. In this paper, a modal expansion technique is used to numerically evaluate the impedance characteristics of the monopole by modeling the fields between the plates using cylindrical harmonic functions A Fourier least-square integration is applied to finding the expansion coefficients by the boundary and continuity conditions. Prior to modeling the proposed sleeve monopole, the developed analysis scheme is examined for its convergence and accuracy. Calculated results are validated by the measurements. For the optimum design at 5.8 Ghz, we investigate the effects of the structure parameters on the impedance characteristics.

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来源
《International journal of RF and microwave computer-aided engineering》 |2001年第2期|86-98|共13页
作者
Zhi Ning Chen; Kazuhiro Hirasawa; Ke Wu;
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作者单位

Center for Wireless Communications, National University of Singapore, Singapore;

Institute of Information Sciences and Electronics, University of Tsukuba, Japan;

Poly-Grames Research Center, Ecole Polytechnique, Montreal, Canada;

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原文格式 PDF
正文语种英语
中图分类计算技术、计算机技术;
关键词
eigenmode expansion method; parallel-plate waveguide; sleeve monopole; waveguide transition; broadband design;

Numerical Analysis of Sleeve Monopole in Parallel-Plate Waveguide

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