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Propagation Dondes Electromagnetiques
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Book Synopsis Propagation d'ondes accoustiques et élastiques by : BRAC Jean
Download or read book Propagation d'ondes accoustiques et élastiques written by BRAC Jean and published by Lavoisier. This book was released on 2003-01-01 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cet ouvrage propose une méthode de construction de schémas numériques de grande précision sur la base d'une analyse spectrale de l'erreur. Ces schémas sont appliqués à la propagation des ondes mais ils peuvent l'être à la résolution par différences finies de tout autre système d'équations aux dérivées partielles. Plusieurs formulations du problème continu sont exposées mais on retient la formulation en vitesses de déplacement et en contraintes. D'autre part, une analyse des caractéristiques des équations de la propagation conduit à faire une comparaison avec les caractéristiques des équations de la mécanique des fluides et d'indiquer les conditions de la filiation. La discrétisation des équations est basée sur les schémas en grilles décalées. On effectue des développements de Taylor à des ordres élevés et une analyse de l'erreur de discrétisation par transformée de Fourier. Puis, on introduit la notion d'approximation optimale en contraste avec les approximations basées sur l'erreur de troncature. Les schémas construits restent de type convolutif. Le calcul s'avère très efficace sur la base de l'erreur relative de discrétisation. L'algorithme de calcul des coefficients d'approximation optimale est fourni en Fortran dans une annexe. L'élévation de l'ordre en temps consiste à reporter le calcul des dérivées d'ordre élevé en temps sur des dérivées d'ordre élevé en espace. Enfin, l'analyse des conditions de stabilité et de dispersion est réalisée pour prendre en compte l'approximation optimale des dérivées pour des ordres élevés en espace et en temps.
Book Synopsis Third International Conference on Mathematical and Numerical Aspects of Wave Propagation by : Gary C. Cohen
Download or read book Third International Conference on Mathematical and Numerical Aspects of Wave Propagation written by Gary C. Cohen and published by SIAM. This book was released on 1995-01-01 with total page 830 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the papers presented at the title conference. Speakers from 13 different countries were represented at the meeting. A broad range of topics in theoretical and applied wave propagation is covered.
Download or read book Collected Scientific Papers written by and published by CUP Archive. This book was released on 1954 with total page 814 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Jean-Claude Nedelec Publisher :Springer Science & Business Media ISBN 13 :9780387951553 Total Pages :356 pages Book Rating :4.9/5 (515 download)
Book Synopsis Acoustic and Electromagnetic Equations by : Jean-Claude Nedelec
Download or read book Acoustic and Electromagnetic Equations written by Jean-Claude Nedelec and published by Springer Science & Business Media. This book was released on 2001-03-30 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt: Acoustic and electromagnetic waves underlie a range of modern technology from sonar, radio, and television to microwave heating and electromagnetic compatibility analysis. This book, written by an international researcher, presents some of the research in a complete way. It is useful for graduate students in mathematics, physics, and engineering.
Book Synopsis Collected Scientific Papers by : John Henry Poynting
Download or read book Collected Scientific Papers written by John Henry Poynting and published by . This book was released on 1920 with total page 812 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Low Frequency Scattering by : George Dassios
Download or read book Low Frequency Scattering written by George Dassios and published by Oxford University Press. This book was released on 2000 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scattering theory deals with the interactions of waves with obstacles in their path, and low frequency scattering occurs when the obstacles involved are very small. This book gives an overview of the subject for graduates and researchers, for the first time unifying the theories covering acoustic, electromagnetic and elastic waves.
Book Synopsis L’histoire est presque Totale. Guide pratique des mangeurs de Temps by : Lim Word
Download or read book L’histoire est presque Totale. Guide pratique des mangeurs de Temps written by Lim Word and published by Litres. This book was released on 2017-12-06 with total page 1699 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sulla était-il avant Spartacus ou vice versa? Nero – avant ou après Caligula? Quelles sont les dynasties des Habsbourg et des Hohenzollern, quel rôle ont-elles joué dans l’établissement du Second Reich? Combien de chars ont combattu près de Prokhorovka? Quand la guerre de Yom Kippour a éclaté et qui l’a gagnée? Pourquoi le grand URSS s’est-il effondré? Souvenons-nous de tout, nous passerons en revue la bande de film du temps, image par image, afin que tout se passe bien aujourd’hui.
Book Synopsis Boundary Integral Equations by : George C. Hsiao
Download or read book Boundary Integral Equations written by George C. Hsiao and published by Springer Nature. This book was released on 2021-03-26 with total page 783 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the second edition of the book which has two additional new chapters on Maxwell’s equations as well as a section on properties of solution spaces of Maxwell’s equations and their trace spaces. These two new chapters, which summarize the most up-to-date results in the literature for the Maxwell’s equations, are sufficient enough to serve as a self-contained introductory book on the modern mathematical theory of boundary integral equations in electromagnetics. The book now contains 12 chapters and is divided into two parts. The first six chapters present modern mathematical theory of boundary integral equations that arise in fundamental problems in continuum mechanics and electromagnetics based on the approach of variational formulations of the equations. The second six chapters present an introduction to basic classical theory of the pseudo-differential operators. The aforementioned corresponding boundary integral operators can now be recast as pseudo-differential operators. These serve as concrete examples that illustrate the basic ideas of how one may apply the theory of pseudo-differential operators and their calculus to obtain additional properties for the corresponding boundary integral operators. These two different approaches are complementary to each other. Both serve as the mathematical foundation of the boundary element methods, which have become extremely popular and efficient computational tools for boundary problems in applications. This book contains a wide spectrum of boundary integral equations arising in fundamental problems in continuum mechanics and electromagnetics. The book is a major scholarly contribution to the modern approaches of boundary integral equations, and should be accessible and useful to a large community of advanced graduate students and researchers in mathematics, physics, and engineering.
Book Synopsis Maxwell’s Equations in Periodic Structures by : Gang Bao
Download or read book Maxwell’s Equations in Periodic Structures written by Gang Bao and published by Springer Nature. This book was released on 2021-11-22 with total page 361 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book addresses recent developments in mathematical analysis and computational methods for solving direct and inverse problems for Maxwell’s equations in periodic structures. The fundamental importance of the fields is clear, since they are related to technology with significant applications in optics and electromagnetics. The book provides both introductory materials and in-depth discussion to the areas in diffractive optics that offer rich and challenging mathematical problems. It is also intended to convey up-to-date results to students and researchers in applied and computational mathematics, and engineering disciplines as well.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1970 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Journal de physique, théorique et appliquée by :
Download or read book Journal de physique, théorique et appliquée written by and published by . This book was released on 1923 with total page 2250 pages. Available in PDF, EPUB and Kindle. Book excerpt: Beginning in 1920, contains section on bibliography and since 1928 minutes and résumeés of the society's proceedings, as well as other supplementary material (often separately paged).
Book Synopsis Tropospheric Radiowave Propagation Beyond the Horizon by : François Du Castel
Download or read book Tropospheric Radiowave Propagation Beyond the Horizon written by François Du Castel and published by Elsevier. This book was released on 2017-04-27 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tropospheric Radiowave Propagation Beyond the Horizon deals with developments concerning the tropospheric propagation of ultra-short radio waves beyond the horizon, with emphasis on the relationship between the theoretical and the experimental. Topics covered include the general conditions of propagation in the troposphere; general characteristics of propagation beyond the horizon; and attenuation in propagation. This volume is comprised of six chapters and begins with a brief historical look at the various stages that have brought the technique of transhorizon links to its state of development. The discussion then turns to the physical properties of the troposphere and the phenomenon of tropospheric propagation; influence of the troposphere and the Earth on transhorizon propagation; and theoretical and experimental determination of attenuation in propagation. Experimental data relating to transhorizon propagation are presented. Theories of diffraction and turbulent scattering are described. This book will be helpful to physicists and physics students as well as those who are engaged in the problem of long-range telecommunication and in the interdependence of theory and experience.
Download or read book Apprendre À Vivre written by Gil Trigo and published by Trafford Publishing. This book was released on 2011-12 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: Le livre que vous vous apprêtez à lire a été écrit en 1985 et, pour toutes sortes de bonnes ou mauvaises raisons, est demeuré au fond d'un tiroir jusqu'à aujourd'hui. Son caractère intemporel et universel est basé sur une considération générale de la spiritualité, de la science et de la réflexion personnelle. Aujourd'hui, comme il y a 30 ans, on peut remarquer que «plus ça change et plus c'est pareil» puisque les gens n'apprennent pas, ou si peu, de leurs expériences. Malgré toutes les révolutions culturelles ou technologiques, si nous regardons au plus profond de notre être, nous remarquerons que ce que nous recherchons vraiment c'est la paix intérieure, comme le disent les mystiques de tous temps. Ce petit livre vise justement à vous amener sur des sentiers qui vous permettront de revenir à l'essentiel c'est-à-dire de rechercher à apprendre à vivre à partir de l'intérieur et non de l'extérieur en gardant à l'esprit que ce que vous êtes en conscience s'extériorise dans votre vie au quotidien. Rappelez-vous que le hasard n'existe pas et que, malgré la croyance populaire, nous ne savons pas ce qui est bon pour nous ou ce dont nous avons réellement besoin.
Book Synopsis National Bureau of Standards Report by : United States. National Bureau of Standards
Download or read book National Bureau of Standards Report written by United States. National Bureau of Standards and published by . This book was released on 1958 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Engineering Index written by and published by . This book was released on 1924 with total page 726 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book French Bibliographical Digest written by and published by . This book was released on 1951 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Electromagnetic Wave Propagation Panel. Specialists' Meeting Publisher : ISBN 13 : Total Pages :568 pages Book Rating :4.:/5 (3 download)
Book Synopsis Scattering and Propagation in Random Media by : North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Electromagnetic Wave Propagation Panel. Specialists' Meeting
Download or read book Scattering and Propagation in Random Media written by North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Electromagnetic Wave Propagation Panel. Specialists' Meeting and published by . This book was released on 1988 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt: The topic of scattering and propagation in random media is one that has implications for the design, development and operation of most military systems that radiate energy as a means of accomplishing their funtion. Primary emphasis is on scattering and transmission in the atmosphere; however, other related random medium effects are not excluded. Modern methods of characterizing random media, mathematical methods and their applicability, effects on electromagnetic waves and the interpretation of these effects to specific system applications are described. The region of the spectrum considered is essentially unlimited and ranges from very long waves to optics. The performance of existing surveillance communication and navigation systems as well as the design of future systems is influenced by the propagation of energy via random media. An understanding of the nature of the medium and its impact on system design and performance is essential to the NATO community.
