MISE EN UVRE D'UNE NOUVELLE METHODE DE CARACTERISATION EN BRUIT DE COMPOSANTS ACTIFS PDF Download
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Author: VALERIE.. DANELON
Publisher:
ISBN:
Category :
Languages : fr
Pages : 312
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Book Description
CE MEMOIRE DE THESE S'INSCRIT DANS LE CADRE GENERAL DE L'ETUDE EN BRUIT DES COMPOSANTS ACTIFS DANS LE DOMAINE DES MICRO-ONDES ET DU MILLIMETRIQUE. LE NIVEAU DE BRUIT GENERE PAR UN TRANSISTOR ASSOCIE A SES PERFORMANCES DYNAMIQUES VONT DETERMINER SES LIMITES DE FONCTIONNEMENT. DE PLUS, L'ETUDE DU BRUIT DU DISPOSITIF EST UNE SOURCE IMPORTANTE D'INFORMATIONS RELATIVES AUX MECANISMES PHYSIQUES IMPLIQUES. CES INFORMATIONS POURRONT ETRE EXPLOITEES PAR LE TECHNOLOGUE QUI OPTIMISE LA STRUCTURE DU COMPOSANT. LA CARACTERISATION EN BRUIT CONSISTE FONDAMENTALEMENT A DETERMINER LES 4 PARAMETRES DE BRUIT DU COMPOSANT. ELLE IMPLIQUE LA MISE EN UVRE DE METHODES SPECIFIQUES DE MESURE ET D'EXTRACTION. CEPENDANT, LES TECHNIQUES D'EXTRACTION PROPOSEES POUR L'OBTENTION DES PARAMETRES DE BRUIT ONT DES LIMITATIONS. AINSI, LES METHODES DE MESURE DE BRUIT SOUS 50 OHMS POUR LES TRANSISTORS A EFFET DE CHAMP NE SONT PAS UTILISEES DANS LE CAS DES COMPOSANTS BIPOLAIRES. PAR AILLEURS, LES METHODES EXISTANTES SONT DIFFICILEMENT APPLICABLES A LA MESURE DE DISPOSITIFS REFROIDIS SITUES DANS UN ENVIRONNEMENT CRYOGENIQUE. LA NOUVELLE APPROCHE PROPOSEE ET DEVELOPPEE DANS CETTE THESE EST UNE ALTERNATIVE AUX METHODES STANDARDS PUISQU'ELLE AUTORISE L'ETUDE DE TOUS TYPE DE COMPOSANT ET QUE LES PRINCIPES ET LE BANC SUR LESQUELS ELLE EST BASEE PERMETTENT DES MESURES DE BRUIT A BASSE TEMPERATURE. NOUS PRESENTONS DANS CE MEMOIRE (QUI SE VEUT ETRE AUSSI UN OUTIL DE TRAVAIL), LES PRINCIPES ET LE DEVELOPPEMENT DE CETTE NOUVELLE METHODE DE CARACTERISATION EN BRUIT DE COMPOSANTS ACTIFS. IL CONTIENT DONC LES BASES NECESSAIRES A LA COMPREHENSION DES MESURES DES 4 PARAMETRES DE BRUIT, EXPOSE LA METHODOLOGIE ASSOCIEE, DONNE LA PROCEDURE A SUIVRE POUR LA MISE EN PLACE D'UN BANC DE MESURE DE BRUIT ET SA VALIDATION A TRAVERS DES MESURES COMPARATIVES ET UNE MODELISATION DU BANC. ENFIN, CETTE NOUVELLE METHODE EST APPLIQUEE A UNE ETUDE EXTENSIVE DU BRUIT DE TRANSISTORS BIPOLAIRES A HETEROJONCTIONS SUR INP DU CNET BAGNEUX.
Author: VALERIE.. DANELON
Publisher:
ISBN:
Category :
Languages : fr
Pages : 312
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Book Description
CE MEMOIRE DE THESE S'INSCRIT DANS LE CADRE GENERAL DE L'ETUDE EN BRUIT DES COMPOSANTS ACTIFS DANS LE DOMAINE DES MICRO-ONDES ET DU MILLIMETRIQUE. LE NIVEAU DE BRUIT GENERE PAR UN TRANSISTOR ASSOCIE A SES PERFORMANCES DYNAMIQUES VONT DETERMINER SES LIMITES DE FONCTIONNEMENT. DE PLUS, L'ETUDE DU BRUIT DU DISPOSITIF EST UNE SOURCE IMPORTANTE D'INFORMATIONS RELATIVES AUX MECANISMES PHYSIQUES IMPLIQUES. CES INFORMATIONS POURRONT ETRE EXPLOITEES PAR LE TECHNOLOGUE QUI OPTIMISE LA STRUCTURE DU COMPOSANT. LA CARACTERISATION EN BRUIT CONSISTE FONDAMENTALEMENT A DETERMINER LES 4 PARAMETRES DE BRUIT DU COMPOSANT. ELLE IMPLIQUE LA MISE EN UVRE DE METHODES SPECIFIQUES DE MESURE ET D'EXTRACTION. CEPENDANT, LES TECHNIQUES D'EXTRACTION PROPOSEES POUR L'OBTENTION DES PARAMETRES DE BRUIT ONT DES LIMITATIONS. AINSI, LES METHODES DE MESURE DE BRUIT SOUS 50 OHMS POUR LES TRANSISTORS A EFFET DE CHAMP NE SONT PAS UTILISEES DANS LE CAS DES COMPOSANTS BIPOLAIRES. PAR AILLEURS, LES METHODES EXISTANTES SONT DIFFICILEMENT APPLICABLES A LA MESURE DE DISPOSITIFS REFROIDIS SITUES DANS UN ENVIRONNEMENT CRYOGENIQUE. LA NOUVELLE APPROCHE PROPOSEE ET DEVELOPPEE DANS CETTE THESE EST UNE ALTERNATIVE AUX METHODES STANDARDS PUISQU'ELLE AUTORISE L'ETUDE DE TOUS TYPE DE COMPOSANT ET QUE LES PRINCIPES ET LE BANC SUR LESQUELS ELLE EST BASEE PERMETTENT DES MESURES DE BRUIT A BASSE TEMPERATURE. NOUS PRESENTONS DANS CE MEMOIRE (QUI SE VEUT ETRE AUSSI UN OUTIL DE TRAVAIL), LES PRINCIPES ET LE DEVELOPPEMENT DE CETTE NOUVELLE METHODE DE CARACTERISATION EN BRUIT DE COMPOSANTS ACTIFS. IL CONTIENT DONC LES BASES NECESSAIRES A LA COMPREHENSION DES MESURES DES 4 PARAMETRES DE BRUIT, EXPOSE LA METHODOLOGIE ASSOCIEE, DONNE LA PROCEDURE A SUIVRE POUR LA MISE EN PLACE D'UN BANC DE MESURE DE BRUIT ET SA VALIDATION A TRAVERS DES MESURES COMPARATIVES ET UNE MODELISATION DU BANC. ENFIN, CETTE NOUVELLE METHODE EST APPLIQUEE A UNE ETUDE EXTENSIVE DU BRUIT DE TRANSISTORS BIPOLAIRES A HETEROJONCTIONS SUR INP DU CNET BAGNEUX.
Author:
Publisher:
ISBN:
Category : Astronomy
Languages : en
Pages : 474
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Author: Claude Cohen-Tannoudji
Publisher: John Wiley & Sons
ISBN: 3527345558
Category : Science
Languages : en
Pages : 790
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Book Description
This new, third volume of Cohen-Tannoudji's groundbreaking textbook covers advanced topics of quantum mechanics such as uncorrelated and correlated identical particles, the quantum theory of the electromagnetic field, absorption, emission and scattering of photons by atoms, and quantum entanglement. Written in a didactically unrivalled manner, the textbook explains the fundamental concepts in seven chapters which are elaborated in accompanying complements that provide more detailed discussions, examples and applications. * Completing the success story: the third and final volume of the quantum mechanics textbook written by 1997 Nobel laureate Claude Cohen-Tannoudji and his colleagues Bernard Diu and Franck Laloë * As easily comprehensible as possible: all steps of the physical background and its mathematical representation are spelled out explicitly * Comprehensive: in addition to the fundamentals themselves, the books comes with a wealth of elaborately explained examples and applications Claude Cohen-Tannoudji was a researcher at the Kastler-Brossel laboratory of the Ecole Normale Supérieure in Paris where he also studied and received his PhD in 1962. In 1973 he became Professor of atomic and molecular physics at the Collège des France. His main research interests were optical pumping, quantum optics and atom-photon interactions. In 1997, Claude Cohen-Tannoudji, together with Steven Chu and William D. Phillips, was awarded the Nobel Prize in Physics for his research on laser cooling and trapping of neutral atoms. Bernard Diu was Professor at the Denis Diderot University (Paris VII). He was engaged in research at the Laboratory of Theoretical Physics and High Energy where his focus was on strong interactions physics and statistical mechanics. Franck Laloë was a researcher at the Kastler-Brossel laboratory of the Ecole Normale Supérieure in Paris. His first assignment was with the University of Paris VI before he was appointed to the CNRS, the French National Research Center. His research was focused on optical pumping, statistical mechanics of quantum gases, musical acoustics and the foundations of quantum mechanics.
Author: C. F. L'Homond
Publisher:
ISBN:
Category : French language
Languages : fr
Pages : 230
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Author: Lucien Tesnière
Publisher: John Benjamins Publishing Company
ISBN: 9027269998
Category : Language Arts & Disciplines
Languages : en
Pages : 782
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Book Description
This volume appears now finally in English, sixty years after the death of its author, Lucien Tesnière. It has been translated from the French original into German, Spanish, Italian, and Russian, and now at long last into English as well. The volume contains a comprehensive approach to the syntax of natural languages, an approach that is foundational for an entire stream in the modern study of syntax and grammar. This stream is known today as dependency grammar (DG). Drawing examples from dozens of languages, many of which he was proficient in, Tesnière presents insightful analyses of numerous phenomena of syntax. Among the highlights are the concepts of valency and head-initial vs. head-final languages. These concepts are now taken for granted by most modern theories of syntax, even by phrase structure grammars, which represent, in a sense, the opposite sort of approach to syntax from what Tesnière was advocating. Now Open Access as part of the Knowledge Unlatched 2017 Backlist Collection.
Author: J. Belle
Publisher:
ISBN:
Category : Nuclear fuels
Languages : en
Pages : 146
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Author: Olivier Pluchery
Publisher: World Scientific
ISBN: 1800613415
Category : Science
Languages : en
Pages : 356
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Book Description
What is a plasmon? Is it a particle, like a photon or a wave? Plasmonics stands at the frontier of condensed matter physics, which is the world of electrons, optics and of photons. Plasmonics is one of the most active fields in nanophotonics. This book begins by exploring the concepts behind waves, and the electromagnetic description of light when it interacts with metals; it dedicates every chapter thereafter to all aspects of plasmonics. In particular, the surface plasmon polariton wave is explained in full detail, as well as the localized surface plasmon resonance of metallic nanoparticles. The active research area opened by plasmonics, as well as its applications, are also briefly explained, such as advanced biosensing, subwavelength waveguiding, quantum plasmonics, nanoparticle-based cancer therapies, optical nano-antenna and high-efficiency photovoltaic cells.The book is adapted for graduate students and places a special emphasis on providing complete explanations of the fundamental concepts of plasmonics. Further, each of these concepts is illustrated with examples drawn from the most recent scientific literature. Each chapter ends with a set of exercises that will help the reader revise the concepts and go deeper into the world of plasmonics. More than 70 exercises are included.
Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 188
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Author: Ursula Block
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author: Martin Lindstrom
Publisher: Currency
ISBN: 0385523890
Category : Business & Economics
Languages : en
Pages : 274
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Book Description
NEW YORK TIMES BESTSELLER • “A fascinating look at how consumers perceive logos, ads, commercials, brands, and products.”—Time How much do we know about why we buy? What truly influences our decisions in today’s message-cluttered world? In Buyology, Martin Lindstrom presents the astonishing findings from his groundbreaking three-year, seven-million-dollar neuromarketing study—a cutting-edge experiment that peered inside the brains of 2,000 volunteers from all around the world as they encountered various ads, logos, commercials, brands, and products. His startling results shatter much of what we have long believed about what captures our interest—and drives us to buy. Among the questions he explores: • Does sex actually sell? • Does subliminal advertising still surround us? • Can “cool” brands trigger our mating instincts? • Can our other senses—smell, touch, and sound—be aroused when we see a product? Buyology is a fascinating and shocking journey into the mind of today's consumer that will captivate anyone who's been seduced—or turned off—by marketers' relentless attempts to win our loyalty, our money, and our minds.
