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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2012-02-06
Equivalent Circuit Model of Coaxial Probes for Patch Antennas
By
Yusheng Hu,

    Professor Yusheng Hu

    Department of Mechanical Engineering

    Jimei University

    China

    Homepage

Yao Jiang Zhang,

    Dr. Yao Jiang Zhang

    Dept. of Electrical & Computer Engineering

    Missouri University of Science & Technology

    USA

    Homepage

Jun Fan

    Prof. Jun Fan

    Department of Electrical and Computer Engineering

    Missouri University of Science and Technology

    USA

    Homepage

Progress In Electromagnetics Research B, Vol. 38, 281-296, 2012
doi:10.2528/PIERB11121210 | Google Scholar

Abstract
An equivalent circuit model of coaxial probes is derived directly from the intrinsic via circuit model. As all the higher-order evanescent modes have been included analytically in the parasitic circuit elements, only the propagating mode needs to be considered by the simplest uniform-current model of a coaxial probe in numerical solvers such as finite element method (FEM) or finite difference time domain (FDTD). This avoid dense meshes or sub-gridding techniques and greatly reduces the computational efforts for accurate calculation of the probe input impedance. The derived equivalent circuit model and the new feeding technique have been validated by both analytical formulas and numerical simulations.
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Citation
Yusheng Hu, Yao Jiang Zhang, and Jun Fan, "Equivalent Circuit Model of Coaxial Probes for Patch Antennas," Progress In Electromagnetics Research B, Vol. 38, 281-296, 2012.
doi:10.2528/PIERB11121210
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