Natural Mode Resonances in the Plane Wave Scattering from an Infinite Thin Resistive Plate with a Circular Hole

被引：2
|
作者：
Lucido, Mario [1 ]
机构：
[1] Univ Cassino & Southern Lazio, Dept Elect & Informat Engn Maurizio Scarano, Cassino, Italy
来源：
2023 17TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION, EUCAP | 2023年
关键词：
Holed resistive plate; integral equation formulation; Helmholtz decomposition; Galerkin method; natural mode resonances; THICKNESS PEC DISK; ANALYTICAL REGULARIZATION; DIFFRACTION;
D O I：
10.23919/EuCAP57121.2023.10133301
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 natural mode resonances of an infinite thin resistive plate with a circular hole excited by an impinging plane wave are analyzed. By using the generalized boundary conditions and introducing suitable unknowns related to the azimuthal harmonics of the effective surface current density, the problem is formulated as an infinite set of independent one-dimensional dual integral equations in the Hankel transform domain. The discretization and analytical regularization of such integral equations are achieved by means of the Helmholtz-Galerkin technique. Once the unknowns are reconstructed, the resonance frequencies are readily individuated by the peaks of the total scattering cross-section.
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页数：4
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