Publications related to Two-axis solar tracking accomplished through small lateral translations

Representing complex urban geometries in mesoscale modeling

Darren Robinson, Alain Clappier, Adil Rasheed

Real cities are comprised of a diverse, random arrangement of building positions, shapes, and sizes. Yet most of the urban parameterisations thus far developed share the assumption that a city is made up of either a regular array of parallelepipeds or infi ...

2011

Automated quantum conductance calculations using maximally-localised Wannier functions

Nicola Marzari

A robust, user-friendly, and automated method to determine quantum conductance in quasi-one-dimensional systems is presented. The scheme relies upon an initial density-functional theory calculation in a specific geometry after which the ground-state eigenf ...

2011

Geometry influence on the Hall effect devices performance

Maher Kayal, Jean-Michel Sallese, Maria-Alexandra Paun

The influence of the geometry, via the ratio L/W of the Hall cells and the geometrical correction factor G on several figures of merit regarding Hall sensors is analyzed, namely the sensitivity, Hall Voltage and power dissipated within the device. Experime ...

2010

Study of an octahedral antenna for both sound pressure level estimation and 3D localization of multiple sources

Hervé Lissek, Xavier Falourd, Patrick Marmaroli

This study deals with localization and characterization of multiple sources by mean of an octahedral array processing. We show how correlations enable to both localize more sources that the number of sensors and estimate their sound level pressure simultan ...

2010

Planar micro-optic solar concentrator

We present a new approach to solar concentration where sunlight collected by each lens in a two-dimensional lens array is coupled into a shared, planar waveguide using localized features placed at each lens focus. This geometry yields a thin, flat profile ...

Optical Society of America2010

Differential geometry applied to crystallography

Philippe Kocian

The mathematical facet of modern crystallography is essentially based on analytical geometry, linear algebra as well as group theory. This study endeavours to approach the geometry and symmetry of crystals using the tools furnished by differential geometry ...

EPFL2009

Modified atomic force microscopy cantilever design to facilitate access of higher modes of oscillation

Luis Guillermo Villanueva Torrijo

The detection of higher modes of oscillation in atomic force microscopy can provide additional information on sample properties. However, the limited bandwidth of the photodiode in the beam deflection detection technique often limits the detectable frequen ...

2006

Laplacian Operator, Diffusion Flow and Active Contour on non-Euclidean Images

Jean-Philippe Thiran, Pierre Vandergheynst, Xavier Bresson, Iva Bogdanova Vandergheynst

We propose here some basic approaches to direct processing of the

360^o

-images as we take into consideration the geometry of each one. Obviously, the geometry of each of these images is a consequence of the geometry of the sensor's mirror used. This tech ...

2005

Functional, mechanical and geometrical adaptation of the arterial wall of a non-axisymmetric artery in vitro

Nikolaos Stergiopoulos, Paolo Silacci, Martin Zulliger

Vascular remodeling is an adaptive response to variations in the hemodynamic environment acting on the arterial wall. Remodeling translates into changes of structure, geometry and mechanical properties of the artery. Our aim was to study the remodeling res ...

2004

Classical print reflection models: a radiometric approach

Roger Hersch, Mathieu Hébert

The present contribution reviews the classical print prediction models of Williams and Clapper and of Clapper and Yule by pursuing a radiometric approach. The relationship between these models is established and the related respective contributions of Judd ...

Soc. Imaging Sci. & Technol2004

Two-axis solar tracking accomplished through small lateral translations

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Representing complex urban geometries in mesoscale modeling

Automated quantum conductance calculations using maximally-localised Wannier functions

Geometry influence on the Hall effect devices performance

Study of an octahedral antenna for both sound pressure level estimation and 3D localization of multiple sources

Planar micro-optic solar concentrator

Differential geometry applied to crystallography

Modified atomic force microscopy cantilever design to facilitate access of higher modes of oscillation

Laplacian Operator, Diffusion Flow and Active Contour on non-Euclidean Images

Functional, mechanical and geometrical adaptation of the arterial wall of a non-axisymmetric artery in vitro

Classical print reflection models: a radiometric approach

Automated quantum conductance calculations using maximally-localised Wannier functions

Representing complex urban geometries in mesoscale modeling

Differential geometry applied to crystallography

Planar micro-optic solar concentrator

Laplacian Operator, Diffusion Flow and Active Contour on non-Euclidean Images

Modified atomic force microscopy cantilever design to facilitate access of higher modes of oscillation

Classical print reflection models: a radiometric approach

Geometry influence on the Hall effect devices performance

Functional, mechanical and geometrical adaptation of the arterial wall of a non-axisymmetric artery in vitro

Study of an octahedral antenna for both sound pressure level estimation and 3D localization of multiple sources