Results 11 to 20 of about 17,088 (268)

Inverse Medium Scattering Problems for Electromagnetic Waves [PDF]

open access: yesSIAM Journal on Applied Mathematics, 2005
The authors describe an algorithm for solving the inverse scattering electromagnetic problem in 3D. Starting with Maxwell's equations and considering a time-harmonic electromagnetic plane wave incident upon a medium enclosed by a bounded domain in \(\mathbb R^3\), they present an iterative linear algorithm for constructing a scatterer embedded in that ...
Bao, Gang, Li, Peijun
openaire   +1 more source

Modeling of Camouflage Grass and the Calculation of its Electromagnetic Scattering Characteristics

open access: yesIEEE Access, 2020
In this work, the complex electromagnetic model of a camouflage grass was accurately generated in geometry, of which the grass leaves were represented by lathy curved rectangular metal surfaces.
Wentao He   +7 more
doaj   +1 more source

The Carleman regularization technique in the modelling of the plane E‐polarized electromagnetic wave scattering by a flat system of impedance strips

open access: yesIET Microwaves, Antennas & Propagation, 2021
The Carleman method of analytical regularization is used to model the plane E‐polarized electromagnetic wave scattering by flat grating of a finite number of impedance strips. It is based on a modification of the singular integral equation technique, the
George I. Koshovy, Andrew G. Koshovy
doaj   +1 more source

The Regularization Technique in Modeling of the Plane E-Polarized EM Wave Scattering by Coplanar System of Electrically Conducting Flat Strips

open access: yesApplied Sciences, 2023
The integral equations technique has been successfully modified for studying the plane E-polarized electromagnetic wave scattering by multilevel coplanar systems of zero-thickness impedance strips.
George I. Koshovy, Andrii G. Koshovy
doaj   +1 more source

Electromagnetic wave scattering on imperfect cloaking devices [PDF]

open access: yesScience of Sintering, 2008
Cloaking devices based on the coordinate transform approach enable, in principle, a perfect concealment of a region in space provided that the material composing the cloaking shell meets certain criteria.
Isić G.   +3 more
doaj   +1 more source

The derivation of scaling relationship between acoustic and electromagnetic scattering by spheres

open access: yesAIP Advances, 2013
The rigorous theory of the conversion between the scattering of uniform plane electromagnetic wave by a perfectly conducting sphere and the scattering of uniform plane acoustic wave by a rigid sphere is studied in this paper.
Yongpan Feng, Junxiang Ge, Fayu Wan
doaj   +1 more source

Modified Theory of Physical Optics Approach to Diffraction by an Interface between PEMC and Absorbing Half-Planes

open access: yesAdvanced Electromagnetics, 2021
The scattering of electromagnetic plane waves by an interface, located between perfect electromagnetic conductor and absorbing half-planes is investigated.
Y. Z. Umul
doaj   +1 more source

Electromagnetic Field Scattering on rf-SQUID Based Metasurfaces

open access: yesEPJ Web of Conferences, 2015
Electromagnetic field scattering on a 2D array of rf-SQUIDs is considered. We show that the scattering changes for large amplitudes of the incident electromagnetic wave; above a critical amplitude, two different refraction states occur (bistability).
Сaputo J.G   +4 more
doaj   +1 more source

A Study of Scattering From Rough Surface With Different Scale of Roughness Based on the Efficient Numerical Strategies

open access: yesIEEE Access, 2020
In harsh environment, such as the desert, wind-driven ocean, forest, etc., the surface directly affected by communication signal (electromagnetic wave) is rough and of different roughness.
Yu Liang, Lixin Guo
doaj   +1 more source

Analysis of electromagnetic scattering from typical targets for orbital‐angular‐momentum waves: Theoretical model

open access: yesIET Microwaves, Antennas & Propagation, 2022
The target scattering characteristics in microwave band are necessary to be researched for Orbital‐Angular‐Momentum (OAM) wave‐based radar applications.
Xiaoxiao Zhang   +5 more
doaj   +1 more source

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