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Author: André Vander Vorst
Publisher: De Boeck Supérieur
ISBN: 9782804121266
Category : Science
Languages : fr
Pages : 478
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Book Description
L'ouvrage fait suite à celui consacré à la transmission, la propagation et le rayonnement. Particulièrement complet, il est axé sur l'ingénierie et tient largement compte des récents progrès technologiques tels que lignes et structures planaires et coplanaires, résonateurs diélectriques et YIG, transistors à effets de champ, circuits aux ondes millimétriques, structures ouvertes ou semi-ouvertes et nouveaux dispositifs de mesure. On y trouve les méthodes de calcul basées sur un principe variationnel ou une perturbation, ainsi qu'un traitement original de l'utilisation des micro-ondes et ondes millimétriques dans les systèmes de télécommunication, terrestres et spatiaux. Le lecteur est aidé dans son apprentissage par des exercices relatifs à chaque chapitre. Les solutions en sont rassemblées à la fin de l'ouvrage, ainsi que la résolution complète d'un certain nombre d'exercices typiques.
Author: André Vander Vorst
Publisher: De Boeck Supérieur
ISBN: 9782804121266
Category : Science
Languages : fr
Pages : 478
Get Book Here
Book Description
L'ouvrage fait suite à celui consacré à la transmission, la propagation et le rayonnement. Particulièrement complet, il est axé sur l'ingénierie et tient largement compte des récents progrès technologiques tels que lignes et structures planaires et coplanaires, résonateurs diélectriques et YIG, transistors à effets de champ, circuits aux ondes millimétriques, structures ouvertes ou semi-ouvertes et nouveaux dispositifs de mesure. On y trouve les méthodes de calcul basées sur un principe variationnel ou une perturbation, ainsi qu'un traitement original de l'utilisation des micro-ondes et ondes millimétriques dans les systèmes de télécommunication, terrestres et spatiaux. Le lecteur est aidé dans son apprentissage par des exercices relatifs à chaque chapitre. Les solutions en sont rassemblées à la fin de l'ouvrage, ainsi que la résolution complète d'un certain nombre d'exercices typiques.
Author: VANBESIEN Olivier
Publisher: Lavoisier
ISBN: 2746281376
Category :
Languages : en
Pages : 386
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Book Description
Ce livre propose une synthèse des recherches - des concepts jusqu'aux applications - sur les matériaux artificiels, incluant les cristaux photoniques et les métamatériaux. Il expose les enjeux de performance et les défis de fabrication (jusqu'à l'échelle du nanomètre) pour l'exploitation des effets d'ultra-réfraction ou de réfraction négative induits par l'ingénierie généralisée ou localisée de la dispersion sur l'ensemble du spectre électromagnétique (des micro-ondes à l'optique en passant par le térahertz et l'infrarouge). Didactique, Matériaux artificiels analyse les possibilités de l'optique de transformation tels que les mirages optiques, les lentilles parfaites, les tapis magiques et les capes d'invisibilité. Présentés comme potentiels précurseurs de nouveaux systèmes de contrôle de la propagation des ondes et/ou d'imagerie pour les domaines des télécommunications, de la biologie ou de la médecine, ils permettent d'identifier les principaux verrous théoriques et technologiques actuels.
Author: André Vander Vorst
Publisher: John Wiley & Sons
ISBN: 0471752045
Category : Technology & Engineering
Languages : en
Pages : 346
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Book Description
From engineering fundamentals to cutting-edge clinical applications This book examines the biological effects of RF/microwaves and their medical applications. Readers will discover new developments in therapeutic applications in such areas as cardiology, urology, surgery, ophthalmology, and oncology. The authors also present developing applications in such areas as cancer detection and organ imaging. Focusing on frequency ranges from 100 kHz to 10 GHz, RF/Microwave Interaction with Biological Tissues is divided into six chapters: * Fundamentals in Electromagnetics--examines penetration of RF/microwaves into biological tissues; skin effect; relaxation effects in materials and the Cole-Cole model (display); the near field of an antenna; blackbody radiation and the various associated laws; and microwave measurements. * RF/Microwave Interaction Mechanisms in Biological Materials--includes a section devoted to the fundamentals of thermodynamics and a discussion on energy and entropy. * Biological Effects--investigates the effects of radio frequency fields on the nervous system, the brain and spinal cord, the blood-brain barrier, and cells and membranes. * Thermal Therapy--includes a description of applicators and an extensive discussion on the foundation of dielectric heating and inductive heating. * EM-Wave Absorbers Protecting the Biological and Medical Environment--investigates materials for EM-wave absorbers from both a theoretical and applications perspective. Special attention is given to ferrite absorbers. * RF/Microwave Delivery Systems for Therapeutic Applications--begins with the fundamental features of major components used in RF/microwave delivery systems for therapeutic applications. New research towards the development of future measurement techniques is also presented. The book features problem sets at the end of each chapter, making it an excellent introduction for bioengineering and engineering students. Researchers, physicians, and technicians in the field will also find this an excellent reference that offers all the fundamentals, the most cutting-edge applications, and insight into future developments. An Instructor's Manual presenting detailed solutions to all the problems in the book is available from the Wiley editorial department.
Author: Thomas H. Lee
Publisher: Cambridge University Press
ISBN: 1316175774
Category : Technology & Engineering
Languages : en
Pages : 868
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Book Description
Modern wireless communications hardware is underpinned by RF and microwave design techniques. This insightful book contains a wealth of circuit layouts, design tips, and practical measurement techniques for building and testing practical gigahertz systems. The book covers everything you need to know to design, build, and test a high-frequency circuit. Microstrip components are discussed, including tricks for extracting good performance from cheap materials. Connectors and cables are also described, as are discrete passive components, antennas, low-noise amplifiers, oscillators, and frequency synthesizers. Practical measurement techniques are presented in detail, including the use of network analyzers, sampling oscilloscopes, spectrum analyzers, and noise figure meters. Throughout the focus is practical, and many worked examples and design projects are included. There is also a CD-ROM that contains a variety of design and analysis programs. The book is packed with indispensable information for students taking courses on RF or microwave circuits and for practising engineers.
Author: Christian Rumelhard
Publisher: John Wiley & Sons
ISBN: 1118586352
Category : Technology & Engineering
Languages : en
Pages : 295
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Book Description
This book presents the electrical models for the different elements of a photonic microwave link like lasers, external modulators, optical fibers, photodiodes and phototransistors. The future trends of these components are also introduced: lasers to VCSEL, external modulators to electro-absorption modulators, glass optical fibers to plastic optical fibers, photodiodes to UTC photodiodes or phototransistors. It also describes an original methodology to evaluate the performance of a microwave photonic link, based on the developed elcetrical models, that can be easily incorporated in commercial electrical circuits simulation software to simulate this complete link.
Author: Sigfrid Yngvesson
Publisher: Springer Science & Business Media
ISBN: 1461539706
Category : Technology & Engineering
Languages : en
Pages : 481
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Book Description
We have reached the double conclusion: that invention is choice, that this choice is imperatively governed by the sense of scientific beauty. Hadamard (1945), Princeton University Press, by permission. The great majority of all sources and amplifiers of microwave energy, and all devices for receiving or detecting microwaves, use a semiconductor active element. The development of microwave semiconductor devices, de scribed in this book, has proceeded from the simpler, two-terminal, devices such as GUNN or IMPATT devices, which originated in the 1960s, to the sophisticated monolithic circuit MESFET three-terminal active elements, of the 1980s and 1990s. The microwave field has experienced a renais sance in electrical engineering departments in the last few years, and much of this growth has been associated with microwave semiconductor devices. The University of Massachusetts has recently developed a well recognized program in microwave engineering. Much of the momentum for this pro gram has been provided by interaction with industrial companies, and the influx of a large number of industry-supported students. This program had a need for a course in microwave semiconductor devices, which covered the physical aspects, as well as the aspects of interest to the engineer who incorporates such devices in his designs. It was also felt that it would be im portant to introduce the most recently developed devices (HFETs, HBTs, and other advanced devices) as early as possible.
Author: André Vorst
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 328
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Book Description
Numerical simulation, the basic tool for design of generalized distributed circuits, can be optimized in terms of complexity and computational time by using a variational formulation of the problem. This book describes the application of variational principles to the analysis of multilayed generalized circuits. Applications include a variety of transmission and guiding structures up to optical frequencies, such as multilayered transmission lines, planar transmission lines and optoelectronic devices.
Author:
Publisher:
ISBN:
Category : Communication
Languages : en
Pages : 278
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Book Description
Author:
Publisher: Odile Jacob
ISBN: 2738188907
Category :
Languages : en
Pages : 419
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Book Description
Author: Shiro Ryu
Publisher: Artech House Publishers
ISBN:
Category : Science
Languages : en
Pages : 312
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Book Description
Gain full access to the history and implementation of coherent lightwave communication systems. Packed with information on narrow linewidth lasers, this book provides you with detailed discussion on circuit design techniques for receivers, methods of overcoming polarization fluctuation, multi-gigabit systems, and the construction of long-distance optical links.
