Results 251 to 260 of about 300,065 (291)

Domain Derivatives in Electromagnetic Scattering

Mathematical Methods in the Applied Sciences, 1996
The author studies the differentiable dependence of a class of boundary operators on the region of integration. He extends his results to the case of operators which occur in the treatment of time harmonic electromagnetic scattering problems by boundary integral equation methods.
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Electromagnetic Modeling of Scattered GNSS Signals

IGARSS 2020 - 2020 IEEE International Geoscience and Remote Sensing Symposium, 2020
The quasi-specular reflection collected under the illumination of signals of opportunity can exhibit temporal fluctuations related to the characteristics of the surface roughness. Even in quite flat regions, gentle undulations, i.e., those comparable with the wavelength over the vertical scale and much longer over the horizontal one, can exist and can ...
Comite D., Dente L., Guerriero L., Pierdicca N.   +3 more
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Electromagnetic Scattering by Periodic Structures

Journal of Mathematical Sciences, 2004
The paper considers the existence and uniqueness problem for the stationary scattering of electromagnetic waves (diffraction) on a structure which is localized in the propagation direction of the wave, and is periodic in two other directions, taking piece-wise constant values (this corresponds to the usual structure of diffraction gratings).
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Broadband electromagnetic scattering by particles

Journal of the Optical Society of America A, 2008
The so-called sum rule for the extinction cross section has been the subject of several publications. However, it has not been obtained directly from the macroscopic Maxwell equations but rather follows from heuristic causality considerations. It is argued that these causality considerations are, in fact, questionable and do not follow from the ...
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Electromagnetic Scattering by an Inhomogeneous Impedance Cylinder

AEU - International Journal of Electronics and Communications, 2002
Summary In this paper, the electromagnetic scattering problem related to a circular cylinder with inhomogeneous impedance boundary is solved. This kind of problem may have practical applications such as antenna design since one can obtain a certain radiation pattern by choosing thesurface impedance in an appropriate way.
YAPAR, ALİ, AKDUMAN, İBRAHİM, ŞAHİNTÜRK, HÜLYA   +2 more
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Electromagnetic inverse scattering

1971 Antennas and Propagation Society International Symposium, 1971
An Electromagnetic Inverse Scattering Identity, based on the Physical Optics Approximation, is developed for the monostatic scattered far field cross section of perfect conductors. Uniqueness of this inverse identity is proven. This identity requires complete scattering information for all frequencies and aspect angles.
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Scattering of electromagnetic radiation

2023
Abstract In this chapter we discuss the scattering of electromagnetic waves by charged particles. We define the scattering cross-section. We then consider the scattering of electromagnetic waves from free electrons, giving rise to the Thomson cross section, expressed in terms of the classical electron radius.
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Electromagnetic scattering from active objects: invisible scatterers

Applied Optics, 1978
The scattering properties of active particles are studied and compared with those of particles with a complex conjugate (passive) index of refraction. It is shown that the extinction cross section of active particles is zero at certain frequencies and that only at certain frequency bands it is amplified.
N G, Alexopoulos, N K, Uzunoglu
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Scattering of electromagnetic radiation by a multilayered sphere

Computer Physics Communications, 2009
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Ovidio Peña-Rodríguez, U. Pal 0002
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Multilevel fast multipole algorithm for electromagnetic scattering by large complex objects

IEEE Transactions on Antennas and Propagation, 1997
Weng Cho Chew
exaly