A simple asymptotical model for analyzing wire antenna with different radius

A simple asymptotical model for analyzing wire antenna with different radius
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分析不同半径线天线的简单渐近模型

DOI:
10.1002/mop.26689
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发表时间:
2012-02
影响因子:
1.5
通讯作者:
Liang, Changhong
Liang, Changhong
中科院分区:
工程技术4区
文献类型:
--
作者:
Zhai, Huiqing;Chen, Qiang;Yuan, Qiaowei;Sawaya, Kunio;Li, Long;Liang, Changhong

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本文提出了一个简单的渐近模型,用于分析不同半径的线天线。采用基于正弦基函数的矩量法进行了分析。在不同半径的矩量法计算过程中,如果忽略了节点处沿沿着法向轴的位移,则由于端点电荷的不同考虑,导致计算结果与常规方法不同,与HFSS计算结果和实测结果也有差异。针对这一问题,提出了一种简单的渐近模型来近似处理不同半径处的接头部分。引入本模型的一个优点是,最终结果将是相同的,并独立于传统的方法。另一个优点是,基于本模型的最终结果与HFSS和测量结果有更好的一致性。以不同半径的环形天线为例说明了该模型的优越性。© 2012 Wiley Periodicals,Inc.微波光学技术快报54:960-964,2012;在wileyonlinelibrary.com在线查看这篇文章。DOI 10.1002/mop.26689
In this research letter, a simple asymptotical model is present for analyzing wire antenna with different radius. Method of moments (MoM) based on sinusoidal basis function is used to give the analysis. In the process of using MoM for different radius, if we neglect the monopole along normal axis at the joint part, the different consideration of endpoint charges will make the final results different for conventional methods, and final results are also different with the results from HFSS and measurement results. In view of that, a simple asymptotical model is present to approximately deal with the joint part at the position of different radius. One advantage for the introduction of the present model is that the final results will be the same and independent of conventional methods. The other advantage is that the final results based on the present model have better agreement with HFSS and measurement results. Fabricated loop antennas with different radius are given as practical examples to show the advantages of the present model. © 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:960–964, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26689
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