The FIT-MoM Hybrid Method for Analysis of Electromagnetic Scattering by Dielectric Bodies of Revolution

被引：17

作者：

Kucharski, Andrzej A. ^{[1
]}

机构：

[1] Wroclaw Univ Sci & Technol, Dept Telecommun & Teleinformat, PL-50370 Wroclaw, Poland

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2018年 / 66卷 / 03期

关键词：

Electromagnetic scattering; finite-difference (FD) methods; method of moments (MoM); FINITE INTEGRATION TECHNIQUE; MAXWELLS EQUATIONS; FORMULATION; ELEMENT; FIELD; RADIATION; MEDIA;

D O I：

10.1109/TAP.2018.2796721

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, the finite-integration technique (FIT) is hybridized with the method-of-moments (MoM) for the case of electromagnetic scattering by dielectric bodies of revolution (BoRs). A frequency-domain FIT is used to account for the inhomogeneous dielectric region, while the MoM is used to model the outer environment by means of dyadic Green's functions. The assumption about the rotational symmetry of the analyzed object allows for the application of usual decoupling of azimuthal modes, thus reducing the original 3-D problem to a number of 2-D cases. This in turn results in much smaller linear equation sets. Moreover, for nonzero modes, we use the possibility to further reduce the number of unknowns by eliminating azimuthal field components from the final equations.

引用

页码：1384 / 1391

页数：8

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