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WCIP method for multiple-loop antennas around a spherical media

机译：用于球形介质周围的多环天线的WCIP方法

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摘要

In this study, the wave concept iterative process method is developed in a spherical coordinate system in order to investigate the characteristic of multiple-loop antennas around a multilayer sphere. The analysis method is based on the incoming and outgoing waves defined from the tangential electromagnetic fields at the interfaces of the layers. The iterative process is governed by two systems of equations linking the waves in spectral and spatial domains. The toggling between the two domains is insured by the Legendre transformation. Numerical results consider single and multiple loops (both activated and parasitic loops) around a metallic sphere coated by one or several dielectric layers. The mutual coupling and the radiation characteristic of a loop excited by two feeding sources are analysed. The influence of parasitic loops on the return loss of the activated loop is extensively investigated including the number and the position of the loops on the sphere. The coupling sensitivity between two activated feeding sources is also investigated. The presented results agree very well with the simulation and the literature.
机译：在该研究中，波概念迭代过程方法是在球面坐标系中开发的，以便研究多层球体周围的多环天线的特性。分析方法基于从层的界面处的切向电磁场定义的进出波。迭代过程由链接波谱和空间域中的波的两个方程系统管辖。两个域之间的切换是由传奇转型保险的。数值结果考虑由一个或多个介电层涂覆的金属球体周围的单个和多个环（两个激活的和寄生环）。分析了两个馈电源激发的环路的互联耦合和辐射特性。广泛地研究了寄生环对激活环路的回波损耗的影响，包括球体上环的数量和位置。还研究了两个活性馈电源之间的偶联灵敏度。呈现的结果与模拟和文献完全一致。

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