Publications associées à Surface équivalente radar

Equivalent Admittance Approach for the Scattering of Patch/Slot-Based Frequency Selective Surfaces

The equivalent admittance of a 2-D array of printed metallic patches/apertures is obtained here by extending a precedent equivalent circuit approach reported by some of the authors. The goal of the present extension is to cover more complex situations like ...

Ieee2016

Polarimetric radar and in situ observations of riming and snowfall microphysics during CLACE 2014

Alexis Berne, Jacopo Grazioli, Luca Panziera

This study investigates the microphysics of winter alpine snowfall occurring in mixed-phase clouds in an inner-Alpine valley during January and February 2014. The available observations include high-resolution polarimetric radar and in situ measurements of ...

Copernicus Publications2015

Orographic effects on snow deposition patterns in mountainous terrain

Michael Lehning, Alexis Berne, Marc Schneebeli Zeugin, Danny Eddy Scipion Castillo

Orographic lifting of air masses and other topographically modified flows induce cloud and precipitation formation at larger scales and preferential deposition of precipitation at smaller scales. In this study, we examine orographic effects on small-scale ...

Wiley-Blackwell2014

Seasonal small-scale spatial variability in alpine snowfall and snow accumulation

Michael Lehning, Alexis Berne, Marc Schneebeli Zeugin, Danny Eddy Scipion Castillo

[1] In mountainous regions, snow accumulation on the ground is crucial for mountain hydrology and water resources. The present study investigates the link between the spatial variability in snowfall and in snow accumulation in the Swiss Alps. A mobile pola ...

American Geophysical Union2013

Stochastic Space–Time Disaggregation of Rainfall into DSD fields

Alexis Berne, Marc Schleiss

A stochastic method to disaggregate rain rate fields into drop size distribution (DSD) fields is proposed. It is based on a previously presented DSD simulator that has been modified to take into account prescribed block-averaged rain rate values at a coars ...

American Meteorological Society2012

Polarimetric control of reflective metasurfaces

Julien Perruisseau-Carrier

This letter addresses the synthesis of reflective cells approaching a given desired Floquet's scattering matrix. This work is motivated by the need to obtain much finer control of reflective metasurfaces by controlling not only their copolarized reflection ...

Institute of Electrical and Electronics Engineers2012

Stochastic space-time disaggregation of rainfall into DSD fields

Alexis Berne, Marc Schleiss

A stochastic method to disaggregate rainfall fields into DSD fields is proposed. It is based on a previously presented DSD simulator that has been modified in order to take into account imposed mean values provided at the coarser scale. The integral quanti ...

Amer Meteorological Soc2012

Certified reduced basis method for electromagnetic scattering and radar cross section estimation

Jan Sickmann Hesthaven, Yvon Maday

We study nontrivial applications of the reduced basis method (RBM) for electromagnetic applications with an emphasis on scattering and the estimation of radar cross section (RCS). The method and several extensions are explained with two examples with diffe ...

Elsevier2012

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Surface équivalente radar

Equivalent Admittance Approach for the Scattering of Patch/Slot-Based Frequency Selective Surfaces

Multi-band reflectarray antennas in Ku and THz frequency bands

Polarimetric radar and in situ observations of riming and snowfall microphysics during CLACE 2014

Orographic effects on snow deposition patterns in mountainous terrain

Seasonal small-scale spatial variability in alpine snowfall and snow accumulation

Stochastic Space–Time Disaggregation of Rainfall into DSD fields

Polarimetric control of reflective metasurfaces

Sensitivity analysis of polarimetric attenuation correction algorithms

Stochastic space-time disaggregation of rainfall into DSD fields

Certified reduced basis method for electromagnetic scattering and radar cross section estimation

Graph Chatbot

Chattez avec Graph Search

Polarimetric radar and in situ observations of riming and snowfall microphysics during CLACE 2014

Equivalent Admittance Approach for the Scattering of Patch/Slot-Based Frequency Selective Surfaces

Orographic effects on snow deposition patterns in mountainous terrain

Multi-band reflectarray antennas in Ku and THz frequency bands

Seasonal small-scale spatial variability in alpine snowfall and snow accumulation

Sensitivity analysis of polarimetric attenuation correction algorithms

Stochastic Space–Time Disaggregation of Rainfall into DSD fields

Polarimetric control of reflective metasurfaces

Stochastic space-time disaggregation of rainfall into DSD fields

Certified reduced basis method for electromagnetic scattering and radar cross section estimation