带德拜色散的螺旋天线辐照有损介质

2008 IEEE Radio and Wireless Symposium Pub Date : 2008-03-05 DOI:10.1109/RWS.2008.4463491

M. Tofighi, A. Sunal

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引用次数: 3

摘要

本文分析了单臂阿基米德螺旋天线辐射到具有德拜色散特征的有耗介质(即水)中的特性。采用共形时域有限差分(CFDTD)方法进行仿真。利用CFDTD算法弥补了FDTD网格阶梯逼近造成的误差。给出了考虑德拜色散的反射系数模拟结果，并与实测结果进行了比较。利用CFDTD对螺旋天线在水介质中的近场波束进行了分析。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Spiral antenna irradiation into lossy media with Debye dispersion

This paper presents the analysis of single arm Archimedean spiral antennas radiating into a lossy medium (i.e. water) characterized by Debye dispersion. Conformal Finite Difference Time Domain (CFDTD) method is used for simulation. The error due to the staircase approximation of FDTD mesh is remedied by using CFDTD algorithm. The reflection coefficient simulation result with Debye dispersion is presented and compared with the measurement. CFDTD was also applied to analyze spiral antennas' near-field beam (SAR) in the water medium.

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2008 IEEE Radio and Wireless Symposium

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