A Multiple-Reflection Solution to Electromagnetic Scattering by a Buried Sphere

A Multiple-Reflection Solution to Electromagnetic Scattering by a Buried Sphere

Based on the image theory and addition theorem of spherical vector wave functions, a multiple-reflection solution is described for the electromagnetic scattering by a buried sphere. An iterative process is introduced to obtain the scattered field by enforcing the boundary conditions at the plane int...

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Veröffentlicht in:IEEE transactions on antennas and propagation 2020-04, Vol.68 (4), p.3313-3317
Hauptverfasser: Zhang, Xiao-Xuan, Geng, You-Lin, Cheng, Zhi-Qun
Format: Artikel
Sprache:eng
Schlagworte:
Addition theorem
Boundary conditions
Dielectrics
Electromagnetic scattering
Electromagnetics
Engineering
Engineering, Electrical & Electronic
Isotropic media
Iterative methods
recursive algorithm
Science & Technology
Software
spherical vector wave functions
Spherical waves
Surface waves
Technology
Telecommunications
Wave functions
Wave reflection
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Beschreibung
Zusammenfassung:Based on the image theory and addition theorem of spherical vector wave functions, a multiple-reflection solution is described for the electromagnetic scattering by a buried sphere. An iterative process is introduced to obtain the scattered field by enforcing the boundary conditions at the plane interface between free space and an isotropic medium and the spherical surface of a dielectric sphere buried in the isotropic medium. Numerical results for the scattered fields are provided and compared with those obtained by the commercial software FEKO. A good agreement is observed, which verifies the presented formulation.
ISSN:0018-926X
1558-2221
DOI:10.1109/TAP.2020.2971620