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Atoms of all channels, unite! Average case analysis of multi-channel sparse recovery using greedy algorithms

Publications associées (51)

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Structural identification to improve bridge management

Ian Smith, James-Alexandre Goulet

This paper presents results from static loads tests performed on the new Langensand Bridge built in Switzerland. A systematic study of over 1000 models subjected to three load cases identifies a set of 11 candidate models through static measurements. Predi ...

International Association for Bridge and Structural Engineering2009

A Class of Transformations that Polarize Binary-Input Memory less Channels

Satish Babu Korada, Eren Sasoglu

A generalization of Arikan's polar code construction using transformations of the form G(circle times n) where G is an l x l matrix is considered. Necessary and sufficient conditions are given for these transformations to ensure channel polarization. It is ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2009

Calibration from statistical properties of the visual world

What does a blind entity need in order to determine the geometry of the set of photocells that it carries through a changing lightfield? In this paper, we show that very crude knowledge of some statistical properties of the environment is sufficient for th ...

2008

Calibration from statistical properties of the visual world

IDIAP2008

Mechanical control of fluids in micro-analytical devices

Hubert Girault, Joël Rossier, Xiaoxia Bai

An apparatus for manipulating fluid samples comprises a micro-chip device having first and second covered channels, each channel having openings at both ends. The channels intersect to form a common intersection. Three of the openings of the channels are c ...

2006

Semi-Automated Design of a MOS Current Mode Logic Standard Cell Library from Generic Components

Yusuf Leblebici, Stéphane Badel, Ilhan Hatirnaz

This paper describes the design and semi-automated generation of a MOS current-mode logic standard cell library. A set of generic components implementing a wide range of combinational and sequential functions is proposed. The layout of the generic componen ...

2005

Polyelectrolyte-modified short microchannel for cation separation

Hubert Girault, Christophe Roussel, Xiaoxia Bai

Three alkali cations, potassium, sodium, and lithium, have been separated within 15 s in a 1 cm long polymer microchip. The separation microchannel is modified by a polycation, poly(allylammonium chloride), which makes the channel surfaces positively charg ...

2004

Dispersion in a multitube microreactor: Experimental and modeling study

Albert Renken, André Rouge

The hydrodynamics were examd. of a multichannel (340 channels) tubular microreactor by exptl. detn. of the residence time distribution (RTD) using Ar or He in N2 and by theor. modeling. The dispersion was caused primarily by the laminar velocity profile an ...

2001

Sufficient conditions for the existence of Q-balls in gauge theories

1998

Experimental Investigation of a Hermetic Scroll Expander–Generator.

Daniel Favrat

This paper describes a 1 to 3.5 kWe hermetic scroll expander generator modified from a standard hermetic compressor, an organic Rankine cycle test facility built to test expanders up to 10 kWe and a set of experimental results using HFC 134a in the dry vap ...

1994