Circuit Magnétique À Haut Rendement En Acier À Grains Orientés
ISBN: 9783841622495 / Francuski / Miękka / 208 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Le travail prA(c)sentA(c) porte sur la dA(c)finition et le dA(c)veloppement d'un circuit magnA(c)tique pour moteurs A haut rendement de faible et moyenne puissances. Il est rA(c)alisA(c) avec des tAles A Grains OrientA(c)s (GO) non-segmentA(c)es. Des expA(c)rimentations rA(c)alisA(c)es en champ unidirectionnel, destinA(c)es A comparer les caractA(c)ristiques globales de la structure GO A celles obtenues sur un assemblage classique composA(c) de tAles A grains Non-OrientA(c)s (NO), permettent de conclure quant A l'efficacitA(c) de l'association proposA(c)e en termes de pertes fer. Des...
Le travail prA(c)sentA(c) porte sur la dA(c)finition et le dA(c)veloppement d'un circuit magnA(c)tique pour moteurs A haut rendement de faible et moye...
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cena:
269,03 zł |
Contribution À l''étude de la Durée de Vie Des Assemblages de Puissance
ISBN: 9786131522161 / Francuski / Miękka / 200 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Dans le domaine des applications avioniques, des dispositifs d'electronique de puissance devront etre place sur le reacteur avec, dans le pire des cas, une temperature ambiante de 200C et des cycles thermiques compris entre -55C et 200C. La premiere partie presente les caracterisations electriques de composants a semi-conducteur afin de justifier les choix pour leur utilisation a haute temperature. En complement d'une campagne experimentale, s'appuyant sur un cyclage thermique de grande amplitude, une evaluation numerique des sollicitations dans l'assemblage permettra de mieux comprendre les...
Dans le domaine des applications avioniques, des dispositifs d'electronique de puissance devront etre place sur le reacteur avec, dans le pire des cas...
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cena:
269,48 zł |
Commande Vectorielle Sans Capteur Mécanique de la Machine Asynchrone
ISBN: 9786131525940 / Francuski / Miękka / 192 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. La connaissance du comportement transitoire de la machine asynchrone est souvent nA(c)cessaire pour dA(c)terminer la performance globale de l'ensemble du systA]me, auquel la machine appartient. L'approche proposA(c)e dans ce livre consiste A introduire deux phA(c)nomA]nes magnA(c)tiques A savoir: la saturation et les pertes fer. AprA]s avoir analysA(c) le comportement dynamique de la machine, diffA(c)rentes lois de commande vectorielle ont A(c)tA(c) A(c)tudiA(c)es. Elles ont pour objectif d'A(c)liminer les couplages A(c)lectriques apparaissant dans le systA]me provoquA(c)s par la saturation...
La connaissance du comportement transitoire de la machine asynchrone est souvent nA(c)cessaire pour dA(c)terminer la performance globale de l'ensemble...
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cena:
269,48 zł |
Planification Des Reseaux Electriques
ISBN: 9786131508844 / Francuski / Miękka / 204 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. L'ouverture des marches de l'energie et la volonte grandissante de proteger l'environnement va conduire au developpement massif de la production decentralisee. Les reseaux de transport, deja satures, devront etre soutenus par les reseaux de distribution auxquels ces nouvelles sources seront connectees. Neanmoins, l'introduction massive de productions decentralisees pourrait modifier le fonctionnement des reseaux de distribution electrique. Ces travaux illustrent un meilleur moyen d'accueillir ces productions par l'introduction de nouveaux chemins pour la circulation des flux. Une nouvelle...
L'ouverture des marches de l'energie et la volonte grandissante de proteger l'environnement va conduire au developpement massif de la production decen...
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cena:
315,16 zł |
Potentiel Éolien Du Jet Nocturne: Cas de la Zone Sahélienne
ISBN: 9786131530364 / Francuski / Miękka / 224 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Ce travail prA(c)sente une A(c)tude dA(c)taillA(c)e des caractA(c)ristiques et des variations journaliA]res et saisonniA]res du vent obtenues A partir des donnA(c)es de deux radars UHF profileurs de vent installA(c)s A Bamako en 2005 et A Niamey en 2006. Les pics du jet nocturne observA(c)s atteignent 14 m.s-1 A 500m d''altitude. Ce jet est aussi prA(c)sent A 150m. On note la prA(c)sence d''un important cisaillement de vent aux consA(c)quences aA(c)ronautiques non nA(c)gligeables. Le cycle du vent est caractA(c)risA(c) par un fort cycle diurne ainsi qu''un cycle saisonnier bien distinct. Une...
Ce travail prA(c)sente une A(c)tude dA(c)taillA(c)e des caractA(c)ristiques et des variations journaliA]res et saisonniA]res du vent obtenues A partir...
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cena:
315,16 zł |
Noise Theory and Application to Physics: From Fluctuations to Information
ISBN: 9781441918963 / Angielski / Miękka / 288 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This is a unique approach to noise theory and its application to physical measurements that will find its place among the graduate course books. In a very systematic way, the foundations are laid and applied in a way that the book will also be useful to those not focusing on optics. Exercises and solutions help students to deepen their knowledge. This is a unique approach to noise theory and its application to physical measurements that will find its place among the graduate course books. In... |
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cena:
194,08 zł |
Electronic Quantum Transport in Mesoscopic Semiconductor Structures
ISBN: 9781441923097 / Angielski / Miękka / 270 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The physics of semiconductors has seen an enormous evolution within the last ?fty years. Countless achievements have been made in scienti?c research and device applications have revolutionized everyday life. We have learned how to customize materials in order to tailor their optical as well as electronic properties. The on- ing trend toward device miniaturization has been the driving force on the appli- tion side and it has fertilized fundamental research. Nowadays, advanced processing techniques allow the fabrication of sub-micron semiconductor structures in many university research...
The physics of semiconductors has seen an enormous evolution within the last ?fty years. Countless achievements have been made in scienti?c research a...
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cena:
310,40 zł |
Introduction to Optics
ISBN: 9781441923288 / Angielski / Miękka / 598 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Choice Outstanding Title (January 2006) Since the discovery of the lasers in 1960 and optical fibers in 1970, optics underwent deep changes which accentuated its multi-field character. This work covers essential concepts of comprehension and reports the great progress of current knowledge in optics. The method of presentation is inspired by Richard Feynman, with an emphasis on "telling" optics, rather than deducing it from fundamental laws. For its excellent teaching style, the book received the Arnulf-Francon Award by the French Optical Society. The concepts are formulated in a... Choice Outstanding Title (January 2006) Since the discovery of the lasers in 1960 and optical fibers in 1970, optics underwent deep changes... |
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cena:
194,08 zł |
X-Ray Diffuse Scattering from Self-Organized Mesoscopic Semiconductor Structures
ISBN: 9783642057694 / Angielski / Miękka / 204 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This monograph represents a critical survey of the outstanding capabilities of X-ray This monograph represents a critical survey of the outstanding capabilities of X-ray |
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cena:
582,32 zł |
Adaptive Antenna Arrays: Trends and Applications
ISBN: 9783642057755 / Angielski / Miękka / 660 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This compilation of the works and insights of various key scientists and engineers in this area addresses the current and future trends of scenarios for employing adaptive antenna arrays in communication systems. Ideal as a quick reference for engineers, researchers, advanced undergraduate and postgraduate students. This compilation of the works and insights of various key scientists and engineers in this area addresses the current and future trends of scenario... |
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cena:
776,43 zł |
Excitons in Low-Dimensional Semiconductors: Theory Numerical Methods Applications
ISBN: 9783642057816 / Angielski / Miękka / 298 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The author develops the effective-mass theory of excitons in low-dimensional semiconductors and describes numerical methods for calculating the optical absorption including Coulomb interaction, geometry, and external fields. The theory is applied to Fano resonances in low-dimensional semiconductors and the Zener breakdown in superlattices. Comparing theoretical results with experiments, the book is essentially self-contained; it is a hands-on approach with detailed derivations, worked examples, illustrative figures, and computer programs. The book is clearly structured and will be valuable... The author develops the effective-mass theory of excitons in low-dimensional semiconductors and describes numerical methods for calculating the opt... |
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cena:
582,32 zł |
Geometric Optics on Phase Space
ISBN: 9783642060366 / Angielski / Miękka / 376 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Symplectic geometry, well known as the basic structure of Hamiltonian mechanics, is also the foundation of optics. In fact, optical systems (geometric or wave) have an even richer symmetry structure than mechanical ones (classical or quantum). The symmetries underlying the geometric model of light are based on the symplectic group. Geometric Optics on Phase Space develops both geometric optics and group theory from first principles in their Hamiltonian formulation on phase space. This treatise provides the mathematical background and also collects a host of useful methods... Symplectic geometry, well known as the basic structure of Hamiltonian mechanics, is also the foundation of optics. In fact, optical systems (geomet... |
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cena:
388,20 zł |
Optics of Semiconductors and Their Nanostructures
ISBN: 9783642060427 / Angielski / Miękka / 348 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. In recent years the field of semiconductor optics has been pushed to several extremes. The size of semiconductor structures has shrunk to dimensions of a few nanometers, the semiconductor-light interaction is studied on timescales as fast as a few femtoseconds, and transport properties on a length scale far below the wavelength of light have been revealed. These advances were driven by rapid improvements in both semiconductor and optical technologies and were further facilitated by progress in the theoretical description of optical excitations in semiconductors. This book, written by leading...
In recent years the field of semiconductor optics has been pushed to several extremes. The size of semiconductor structures has shrunk to dimensions o...
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cena:
582,32 zł |
Collective Phenomena in Synchrotron Radiation Sources: Prediction, Diagnostics, Countermeasures
ISBN: 9783642070686 / Angielski / Miękka / 203 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This book is intended to dispel the notion that collective phenomena are an obscure and inaccessible topic. Having become increasingly important in modern storage rings, collective e?ects deserve to become part of the general education in accelerator physics. ItriedtowritethebookIwaslookingforwhenIstartedtostudycollective instabilities: an introduction that can be read from cover to cover with m- erate e?ort and familiarizes the reader with the basic concepts. Self-contained appendices contain what I considered worth discussing but might impair the readability of the main text, such as a...
This book is intended to dispel the notion that collective phenomena are an obscure and inaccessible topic. Having become increasingly important in mo...
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cena:
388,20 zł |
Scattering from Model Nonspherical Particles: Theory and Applications to Environmental Physics
ISBN: 9783642072215 / Angielski / Miękka / 348 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Since the publication of the ?rst edition of this book, we have become deeply involved in astrophysics research, particularly the study of the interstellar medium. Modeling scattering particles as layered spheres or as aggregates of spherical scatterers, expanding the electromagnetic ?eld in a series of vector multipole ?elds, and resorting to the T-matrix approach for averaging over the orientations of a dispersion of nonspherical particles are e?ective tools for studying scattering theory, which we described and extensively applied in the ?rst edition of this book. In fact, these tools also...
Since the publication of the ?rst edition of this book, we have become deeply involved in astrophysics research, particularly the study of the interst...
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cena:
582,32 zł |
Radio Wave Propagation for Telecommunication Applications
ISBN: 9783642073953 / Angielski / Miękka / 414 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The first radio links, wireless telegraphy, were established at the beginnings of the twentieth century by Marconi, who drew upon the theory developed by Maxwell and upon the experimental researches conducted by Hertz. In France, such renown scientists, mathematicians, physicists and experimenters as Poincare, Blondel and the General Ferrie played a crucial role in the development of radiocommunications, more particularly through theoretical and experimental researches which contributed to a better understanding of the different propagation media. Following the Second World War, the...
The first radio links, wireless telegraphy, were established at the beginnings of the twentieth century by Marconi, who drew upon the theory developed...
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cena:
194,08 zł |
Electrodynamics of Magnetoactive Media
ISBN: 9783642078255 / Angielski / Miękka / 425 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Our objective was primarily to consider in a separate treatise from the general point of view a theory of as many electrodynamic phenomena in a magnetic field as possible. The choice of material was determined by both the ab- sence of such a book and the scientific interests of the authors. From the very beginning, however, we felt it necessary to include the fundamentals of electrodynamics that are required for the thorough analysis of particular processes. We believe that it is convenient for a reader to find in the same book a consistent review of some special fields in physics and a...
Our objective was primarily to consider in a separate treatise from the general point of view a theory of as many electrodynamic phenomena in a magnet...
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cena:
582,32 zł |
Photoelectrochemistry and Photovoltaics of Layered Semiconductors
ISBN: 9789048141111 / Angielski / Miękka / 360 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This volume aims at bringing together the results of extensive research done during the last fifteen years on the interfacial photoelectronic properties of the inorganic layered semiconducting materials, mainly in relation to solar energy conversion. Significant contributions have been made both on the fundamental aspects of interface characteristics and on the suitability of the layered materials in photoelectrochemical (semiconductor/electrolyte junctions) and in solid state photovoltaic(Schottky and p-n junctions) cells. New insights into the physical and chemical characteristics of the...
This volume aims at bringing together the results of extensive research done during the last fifteen years on the interfacial photoelectronic properti...
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cena:
776,43 zł |
Optical Properties of Semiconductors
ISBN: 9789048142248 / Angielski / Miękka / 324 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This book is an up-to-date review of the different aspects and concepts related to the optical properties of semiconductors. It bridges the dielectric constant concept and the more recent experimental investigations. In particular, the optical response function to time-resolved, high energy, Raman spectroscopies are reviewed. New results focusing on the properties of correlated electrons are also discussed in detail, with a special emphasis on magnetic field-induced properties. As a result of these advanced investigations, this book provides up-to-date reviews of the principles and...
This book is an up-to-date review of the different aspects and concepts related to the optical properties of semiconductors. It bridges the dielectric...
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cena:
776,43 zł |
Etude Et Commande de Generatrices Asynchrones Pour l'Energie Eolienne
ISBN: 9786131521997 / Francuski / Miękka / 176 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. AprA]s un bref rappel des concepts et A(c)quations rA(c)gissant le fonctionnement d'un systA]me A(c)olien, ce document dresse un A(c)tat de l'art des ensembles machines convertisseurs utilisA(c)s dans l'A(c)nergie A(c)olienne. Une premiA]re A(c)tude montre les performances et les limites d'utilisation de la machine asynchrone A cage auto-excitA(c)e. Dans un deuxiA]me temps, la rA(c)alisation d'un simulateur physique d'aA(c)rogA(c)nA(c)rateur est prA(c)sentA(c)e. Celui-ci est destinA(c) A placer les gA(c)nA(c)ratrices A l'A(c)tude dans des conditions proches de la rA(c)alitA(c) en les...
AprA]s un bref rappel des concepts et A(c)quations rA(c)gissant le fonctionnement d'un systA]me A(c)olien, ce document dresse un A(c)tat de l'art des ...
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cena:
269,48 zł |