Abstract

The problem of radiation of a radial electric dipole located on the axis of rotation of an axisymmetric body consisting of a homogeneous dielectric sphere and an external inhomogeneous dielectric layer is considered. The new numerical algorithm developed to solve the problem is based on a projection method that includes the projection of fields to transverse spherical harmonics in combination with a one-dimensional finite element method in a projection form along the radial coordinate. The algorithm is also generalized to the case in which the inner sphere is perfectly conducting. Numerical results, which characterize both the efficiency of the method and the effect of various parameters of the body on the directional pattern of the dipole, are presented.

中文翻译：

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在非均匀旋转体存在下用于分析径向偶极子辐射的投影方法的修改

摘要

考虑了位于由均质电介质球和外部不均质电介质层组成的轴对称体的旋转轴上的径向电偶极子的辐射问题。为解决该问题而开发的新数值算法基于一种投影方法，该方法包括将场投影到横向球谐函数，并结合一维有限元方法以沿径向坐标的投影形式进行投影。该算法也被推广到内球完美导通的情况。数值结果表明了该方法的效率以及人体各个参数对偶极子方向图的影响。