Développement d'un système de mesure temporel d'enveloppe de dispositifs non linéaires microondes PDF Download
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Author: François Macraigne
Publisher:
ISBN:
Category :
Languages : fr
Pages : 190
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Book Description
Ce travail concerne le développement matériel et logiciel d'un banc de caractérisation temporelle d'enveloppe de dispositifs RF de puissance. Ce banc de mesure calibré vectoriellement a été développé afin de générer et de mesurer les enveloppes complexes associées à des signaux modulés RF aux accès de dispositifs de puissance sous test. Ce manuscrit décrit l'architecture du banc de mesure, sa procédure d'étalonnage ainsi que le traitement du signal utilisé pour la correction des mesures reliant les plans de mesure aux plans de référence du dispositif sous test. Une première application de ce banc est montrée par la mesure de critères de linéarité d'un amplificateur de puissance pour différents types de modulation et différentes impédances de charge. La seconde application consiste à utiliser une technique de modulation de polarisation afin de linéariser un transistor de puissance
Author: François Macraigne
Publisher:
ISBN:
Category :
Languages : fr
Pages : 190
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Book Description
Ce travail concerne le développement matériel et logiciel d'un banc de caractérisation temporelle d'enveloppe de dispositifs RF de puissance. Ce banc de mesure calibré vectoriellement a été développé afin de générer et de mesurer les enveloppes complexes associées à des signaux modulés RF aux accès de dispositifs de puissance sous test. Ce manuscrit décrit l'architecture du banc de mesure, sa procédure d'étalonnage ainsi que le traitement du signal utilisé pour la correction des mesures reliant les plans de mesure aux plans de référence du dispositif sous test. Une première application de ce banc est montrée par la mesure de critères de linéarité d'un amplificateur de puissance pour différents types de modulation et différentes impédances de charge. La seconde application consiste à utiliser une technique de modulation de polarisation afin de linéariser un transistor de puissance
Author: Thierry Bourbié
Publisher: Editions TECHNIP
ISBN: 9782710805168
Category : Science
Languages : en
Pages : 366
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Book Description
Author: Frederic Bastiat
Publisher: Simon Publications
ISBN: 9781931541022
Category : Business & Economics
Languages : en
Pages : 0
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Book Description
This book, written by the celebrated nineteenth century French economist propagating free trade, reads as it was written yesterday.
Author: Janine M. Benyus
Publisher: Harper Collins
ISBN: 0061958921
Category : Science
Languages : en
Pages : 324
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Book Description
Repackaged with a new afterword, this "valuable and entertaining" (New York Times Book Review) book explores how scientists are adapting nature's best ideas to solve tough 21st century problems. Biomimicry is rapidly transforming life on earth. Biomimics study nature's most successful ideas over the past 3.5 million years, and adapt them for human use. The results are revolutionizing how materials are invented and how we compute, heal ourselves, repair the environment, and feed the world. Janine Benyus takes readers into the lab and in the field with maverick thinkers as they: discover miracle drugs by watching what chimps eat when they're sick; learn how to create by watching spiders weave fibers; harness energy by examining how a leaf converts sunlight into fuel in trillionths of a second; and many more examples. Composed of stories of vision and invention, personalities and pipe dreams, Biomimicry is must reading for anyone interested in the shape of our future.
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: Érik Bordeleau
Publisher:
ISBN: 9781785420405
Category : Motion pictures
Languages : en
Pages : 270
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Book Description
This collective project by Erik Bordeleau, Toni Pape, Ronald Rose-Antoinette and Adam Szymanski is not simply 'about' Apichatpong Weerasethakul, though it does engage his work in detail. It is a book that deeply questions what else might be at stake in setting up the conditions for collaboration across two genres - cinema and writing.
Author: Leslie Rainer
Publisher: Getty Publications
ISBN: 1606060430
Category : Architecture
Languages : fr
Pages : 438
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Book Description
Earthen architecture constitutes one of the most diverse forms of cultural heritage and one of the most challenging to preserve. It dates from all periods and is found on all continents but is particularly prevalent in Africa, where it has been a building tradition for centuries. Sites range from ancestral cities in Mali to the palaces of Abomey in Benin, from monuments and mosques in Iran and Buddhist temples on the Silk Road to Spanish missions in California. This volume's sixty-four papers address such themes as earthen architecture in Mali, the conservation of living sites, local knowledge systems and intangible aspects, seismic and other natural forces, the conservation and management of archaeological sites, research advances, and training.
Author:
Publisher:
ISBN:
Category : Chaotic behavior in systems
Languages : en
Pages : 130
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Book Description
Author: Gerhard Neuner
Publisher: Council of Europe
ISBN: 9789287151704
Category : Language Arts & Disciplines
Languages : en
Pages : 152
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Book Description
Author: Neural Information Processing Systems Foundation
Publisher: MIT Press
ISBN: 0262026171
Category : Algorithms
Languages : en
Pages : 361
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Book Description
State-of-the-art algorithms and theory in a novel domain of machine learning, prediction when the output has structure.
