Results 21 to 30 of about 554,533 (301)
Hybrid Method for Full-Wave Simulations of Forests at L-Band
IEEE Access, 2022 The full-wave simulations of 3D Maxwell equations of forests at L-band are carried out with a two-step hybrid method. The tallest trees considered include one 8-meter tall trunk, 18 primary branches and 108 secondary branches.
Weihui Gu +3 more
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Speed of light in random media [PDF]
Physical Review B, 1992 We give a microscopic derivation of the speed of light relevant for energy transport in media containing randomly distributed scatterers. A comparison is made with the concept of ``mass enhancement'' in electron transport theory. The consequences for the Thouless criterion for strong localization are discussed.
Vantiggelen, B.A. +3 more
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Improvement of Image Classification by Multiple Optical Scattering
IEEE Photonics Journal, 2021 Multiple optical scattering occurs when light propagates in a non-uniform medium. During the multiple scattering, images were distorted and the spatial information they carried became scrambled.
Xinyu Gao +9 more
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Stochastic finite elements: Where is the physics? [PDF]
Theoretical and Applied Mechanics, 2011 The micromechanics based on the Hill-Mandel condition indicates that the majority of stochastic finite element methods hinge on random field (RF) models of material properties (such as Hooke’s law) having no physical content, or even at odds with ...
Ostoja-Starzewski Martin
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Effective multipoles in random media [PDF]
Communications in Partial Differential Equations, 2020 60 ...
Bella, P., Giunti, A., Otto, F.
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Wave propagation in random media: beyond Gaussian statistics [PDF]
ESAIM: Proceedings and Surveys, 2023 In this paper we review some aspects of wave propagation in random media. In the physics literature the picture seems simple: for large propagation distances, the wavefield has Gaussian statistics, mean zero, and second-order moments determined by ...
Garnier Josselin
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Random matrix theory of polarized light scattering in disordered media
, 2022 In this work we present a method for generating random matrices describing electromagnetic scattering from disordered media containing dielectric particles with prescribed single particle scattering characteristics.
Foreman, Matthew R. +2 more
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The behavior of partially coherent twisted space-time beams in atmospheric turbulence
Frontiers in Physics, 2023 We study how atmospheric turbulence affects twisted space-time beams, which are non-stationary random optical fields whose space and time dimensions are coupled with a stochastic twist.
Milo W. Hyde IV
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Effective waves for random three-dimensional particulate materials
New Journal of Physics, 2021 How do you take a reliable measurement of a material whose microstructure is random? When using wave scattering, the answer is often to take an ensemble average (average over time or space).
Artur L Gower, Gerhard Kristensson
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Physics-Based Coherent Modeling of Long-Range Millimeter-Wave Propagation and Scattering in Rain
IEEE Open Journal of Antennas and Propagation, 2023 Precipitation and in particular rain present a random medium with constituent particles having dimensions comparable to the wavelength at millimeter-wave frequencies.
Behzad Yektakhah, Kamal Sarabandi
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