Publications associées à Propagation des ondes radio

Effective models for the multidimensional wave equation in heterogeneous media over long time and numerical homogenization

Timothée Noé Pouchon, Assyr Abdulle

A family of effective equations that capture the long time dispersive effects of wave propagation in heterogeneous media in an arbitrary large periodic spatial domain Omega subset of R-d is proposed and analyzed. For a wave equation with highly oscillatory ...

World Scientific Publ Co Pte Ltd2016

A Further Study on Wave Propagation Across a Single Joint with Different Roughness

Xin Chen, Jian Zhao, Yang Zou

As a key dynamic feature of the rock mass, joint results in wave attenuation when a stress wave propagates across it. An experimental study has obtained the relation between the transmission coefficient and the contact area ratio of joints with different t ...

Springer Wien2016

Optical Tomographic Image Reconstruction Based on Beam Propagation and Sparse Regularization

Michaël Unser, Demetri Psaltis, Cédric René Jean Vonesch, Ulugbek Kamilov

Optical tomographic imaging requires an accurate forward model as well as regularization to mitigate missing-data artifacts and to suppress noise. Nonlinear forward models can provide more accurate interpretation of the measured data than their linear coun ...

2016

Wave propagation in the vicinities of rock fractures under obliquely incident wave

Lyesse Laloui, Jian Zhao, Yang Zou, Jing Li

Though obliquely incident plane wave across rock fractures has been extensively investigated by theoretical analysis, the quantitative identification of each wave emerged from fractures has not been achieved either in numerical simulation or laboratory exp ...

Springer Verlag2016

The Sommerfeld half-space problem revisited: from radio frequencies and Zenneck waves to visible light and Fano modes

Juan Ramon Mosig, Krzysztof Michalski

The classical Sommerfeld half-space problem is revisited, with generalizations to multilayer and plasmonic media and focus on the surface field computation. A new ab initio solution is presented for an arbitrarily oriented Hertzian dipole radiating in the ...

Taylor & Francis Ltd2016

Broadband Characterization of ZBLAN Fiber for Short- Wave Infrared Applications Using All-Fiber Interferometer

Camille Sophie Brès, Svyatoslav Kharitonov

Group-velocity dispersion, third-order dispersion and propagation losses of 14m normal dispersion ZBLAN fiber are directly and continuously measured over 1500-2100nm range using all-fiber Mach-Zehnder interferometer. The fiber is then used for dispersion c ...

Ieee2016

Analytical analysis of slow and fast pressure waves in a two-dimensional cellular solid with fluid-filled cells

Vladimir Dorodnitsyn, Bart Van Damme

Wave propagation in cellular and porous media is widely studied due to its abundance in nature and industrial applications. Biot's theory for open-cell media predicts the existence of two simultaneous pressure waves, distinguished by its velocity. A fast w ...

Acoustical Soc Amer Amer Inst Physics2016

Intensity and phase fields behind phase-shifting masks studied with high-resolution interference microscopy

Hans Peter Herzig, Toralf Scharf, Myun Sik Kim, Ali Naqavi, Krishnaparvathy Puthankovilakam

We try to find out the details of how light fields behind the structures of photomasks develop in order to determine the best conditions and designs for proximity printing. The parameters that we use approach real situations like structure printing at prox ...

SPIE-Intl Soc Optical Eng2016

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Propagation des ondes radio

Effective models for the multidimensional wave equation in heterogeneous media over long time and numerical homogenization

A Further Study on Wave Propagation Across a Single Joint with Different Roughness

Optical Tomographic Image Reconstruction Based on Beam Propagation and Sparse Regularization

Seismic response of rock joints under obliquely incident wave

SPR Sensor with Ultranarrow Magnetoplasmonic Resonance

Wave propagation in the vicinities of rock fractures under obliquely incident wave

The Sommerfeld half-space problem revisited: from radio frequencies and Zenneck waves to visible light and Fano modes

Broadband Characterization of ZBLAN Fiber for Short- Wave Infrared Applications Using All-Fiber Interferometer

Analytical analysis of slow and fast pressure waves in a two-dimensional cellular solid with fluid-filled cells

Intensity and phase fields behind phase-shifting masks studied with high-resolution interference microscopy

Graph Chatbot

Chattez avec Graph Search

Effective models for the multidimensional wave equation in heterogeneous media over long time and numerical homogenization

Seismic response of rock joints under obliquely incident wave

The Sommerfeld half-space problem revisited: from radio frequencies and Zenneck waves to visible light and Fano modes

A Further Study on Wave Propagation Across a Single Joint with Different Roughness

Optical Tomographic Image Reconstruction Based on Beam Propagation and Sparse Regularization

SPR Sensor with Ultranarrow Magnetoplasmonic Resonance

Wave propagation in the vicinities of rock fractures under obliquely incident wave

Broadband Characterization of ZBLAN Fiber for Short- Wave Infrared Applications Using All-Fiber Interferometer

Analytical analysis of slow and fast pressure waves in a two-dimensional cellular solid with fluid-filled cells

Intensity and phase fields behind phase-shifting masks studied with high-resolution interference microscopy