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Author: André Vander Vorst Publisher: De Boeck Supérieur ISBN: 9782804120665 Category : Science Languages : fr Pages : 290
Book Description
L'ouvrage fait suite au précédent, consacré à la modélisation par circuit localisé de situations électromagnétiques dans des configurations et matériaux divers. Il traite des situations que l'on ne peut plus modéliser par des circuits localisés mais bien par des circuits distribués, à constantes réparties. L'ouvrage est caractérisé par la grande diversité des phénomènes traités et des configurations analysées. La notion de rayonnement est définie de façon rigoureuse et appliquée au doublet et aux antennes linéaires. Le concept d'interférométrie est introduit. Le lecteur est aidé dans son apprentissage par des exercices relatifs à chaque chapitre. Les solutions en sont rassemblées à la fin du livre, ainsi que la résolution complète d'un certain nombre d'exercices typiques.
Author: André Vander Vorst Publisher: De Boeck Supérieur ISBN: 9782804120665 Category : Science Languages : fr Pages : 290
Book Description
L'ouvrage fait suite au précédent, consacré à la modélisation par circuit localisé de situations électromagnétiques dans des configurations et matériaux divers. Il traite des situations que l'on ne peut plus modéliser par des circuits localisés mais bien par des circuits distribués, à constantes réparties. L'ouvrage est caractérisé par la grande diversité des phénomènes traités et des configurations analysées. La notion de rayonnement est définie de façon rigoureuse et appliquée au doublet et aux antennes linéaires. Le concept d'interférométrie est introduit. Le lecteur est aidé dans son apprentissage par des exercices relatifs à chaque chapitre. Les solutions en sont rassemblées à la fin du livre, ainsi que la résolution complète d'un certain nombre d'exercices typiques.
Author: Publisher: TheBookEdition ISBN: 2956351745 Category : Languages : en Pages : 63
Author: Riadh Habash Publisher: CRC Press ISBN: 1420062859 Category : Medical Languages : en Pages : 400
Book Description
From cell phones to treating cancer, EM energy plays a part in many of the innovations that we take for granted everyday. A basic force of nature, like nuclear energy or gravity, this energy can be harnessed and used, but still holds the potential to be harmful. The question remains, how safe are EM products? Bioeffects and Therapeutic Applicati
Author: André Vander Vorst Publisher: John Wiley & Sons ISBN: 0471752045 Category : Technology & Engineering Languages : en Pages : 346
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: André Vorst Publisher: ISBN: Category : Science Languages : en Pages : 328
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: John Wiley & Sons ISBN: 111981846X Category : Science Languages : en Pages : 304
Book Description
Electromagnetic Waves 1 examines Maxwell’s equations and wave propagation. It presents the scientific bases necessary for any application using electromagnetic fields, and analyzes Maxwell’s equations, their meaning and their resolution for various situations and material environments. These equations are essential for understanding electromagnetism and its derived fields, such as radioelectricity, photonics, geolocation, measurement, telecommunications, medical imaging and radio astronomy. This book also deals with the propagation of electromagnetic, radio and optical waves, and analyzes the complex factors that must be taken into account in order to understand the problems of propagation in a free and confined space. Electromagnetic Waves 1 is a collaborative work, completed only with the invaluable contributions of Ibrahima Sakho, Hervé Sizun and JeanPierre Blot, not to mention the editor, Pierre-Noël Favennec. Aimed at students and engineers, this book provides essential theoretical support for the design and deployment of wireless radio and optical communication systems.
Author: André Vander Vorst
Author: André Vander Vorst
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Author: Riadh Habash
Author: André Vander Vorst
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Author: André Vorst
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