Articles with "wave fields" as a keyword



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A Kirchhoff migration imaging method based on grounded-source TEM virtual wave-fields and its applications

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Published in 2019 at "Journal of Applied Geophysics"

DOI: 10.1016/j.jappgeo.2019.03.015

Abstract: Abstract This research study was based on a Kirchhoff migration imaging method, and the aim of the study was to realize grounded-source transient electromagnetic virtual wave-field migration. Diffusion equations mainly characterize the induction characteristics of… read more here.

Keywords: kirchhoff migration; migration imaging; wave fields; grounded source ... See more keywords
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Quantitative metrics for evaluation of wave fields in basins

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Published in 2018 at "Ocean Engineering"

DOI: 10.1016/j.oceaneng.2018.09.010

Abstract: Abstract Scale model testing in wave basins is a necessary part of the development of marine structures and marine renewable energy devices. Whilst many guidelines exist for the quality of experimentation and data acquisition, there… read more here.

Keywords: quality; metrics evaluation; quantitative metrics; wave fields ... See more keywords
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Modification of properties of GaSe⟨β-cyclodexterin⟨FeSO 4 ⟩⟩ Clathrat by synthesis in superposed electric and light-wave fields

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Published in 2017 at "Journal of Applied Physics"

DOI: 10.1063/1.4983097

Abstract: A new technological approach to the synthesis of multi-layer nanostructures is suggested; it enables us to ensure them unique properties and extraordinary possibilities of their practical application. In particular, it is shown that the synthesis… read more here.

Keywords: electric light; light wave; wave fields; synthesis ... See more keywords
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Anomalous errors of direct scattering transform.

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Published in 2020 at "Physical review. E"

DOI: 10.1103/physreve.101.052206

Abstract: Theory of direct scattering transform for nonlinear wave fields containing solitons is revisited to overcome fundamental difficulties hindering its stable numerical implementation. With the focusing one-dimensional nonlinear Schrödinger equation serving as a model, we study… read more here.

Keywords: errors direct; wave fields; direct scattering; scattering transform ... See more keywords
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Trapping wave fields in an expulsive potential by means of linear coupling.

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Published in 2022 at "Physical review. E"

DOI: 10.1103/physreve.105.034213

Abstract: We demonstrate the existence of confined states in one- and two-dimensional (1D and 2D) systems of two linearly coupled components, with the confining harmonic-oscillator (HO) potential acting upon one component and an expulsive anti-HO potential… read more here.

Keywords: trapping wave; potential means; wave fields; fields expulsive ... See more keywords
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Metaparticles of Pulsed Wave Fields

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Published in 2018 at "Journal of Communications Technology and Electronics"

DOI: 10.1134/s106422691809019x

Abstract: Properties of elementary particles of pulsed (localized) electromagnetic and acoustic wave fields directionally radiated by aperture sources (antennas, lasers, acoustic diaphragms) in free space and homogeneous isotropic media, for which the term metaparticle is used,… read more here.

Keywords: wave fields; pulsed wave; metaparticles pulsed;
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Reciprocity and Representation Theorems for Flux- and Field-Normalised Decomposed Wave Fields

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Published in 2019 at "Advances in Mathematical Physics"

DOI: 10.1155/2020/9540135

Abstract: We consider wave propagation problems in which there is a preferred direction of propagation. To account for propagation in preferred directions, the wave equation is decomposed into a set of coupled equations for waves that… read more here.

Keywords: propagation; decomposed wave; wave fields; reciprocity ... See more keywords
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Reciprocity and Representations for Wave Fields in 3D Inhomogeneous Parity-Time Symmetric Materials

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Published in 2022 at "Symmetry"

DOI: 10.3390/sym14112236

Abstract: Inspired by recent developments in wave propagation and scattering experiments with parity-time (PT) symmetric materials, we discuss reciprocity and representation theorems for 3D inhomogeneous PT-symmetric materials and indicate some applications. We start with a unified… read more here.

Keywords: parity time; time symmetric; reciprocity; wave fields ... See more keywords