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The Diffraction Of Electromagnetic Waves By Dielectric Steps In Waveguides
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Book Synopsis The Diffraction of Electromagnetic Waves by Dielectric Steps in Waveguides by : Erlind G. Royer
Download or read book The Diffraction of Electromagnetic Waves by Dielectric Steps in Waveguides written by Erlind G. Royer and published by . This book was released on 1970 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: The problem of determining the scattered electromagnetic fields when a dielectric step discontinuity is placed in a waveguide is considered here. The case of a dielectric step which is semi-infinite in extent is presented first. Althouth an exact method of solution is not known at this time, it is shown that the recently introduced modified residue calculus technique can be successfully extended to obtain a very accurate approximate solution of the semi-infinite dielectric step. A unique advantage of this method of solution is that the degree of accuracy obtained is independent of the relative permittivity of the dielectric material and of the frequency. Thus, very high permittivities of frequencies can be considered without an attendant increase in computational complexity. Numerical data are presented which confirm the accuracy of the solutions obtained. The accurate determination of the total field is easily accomplished using the method of this study and is demonstrated. A further extension of the modified residue calculus method yields the approximate solution for the case of a finite dielectric step. This extension also enjoys the advantages mentioned above. The phase shifting abilities of the finite step are demonstrated by calculations which show the effects of varying the step height and the step length. (Author).
Download or read book NBS Monograph written by and published by . This book was released on 1959 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Radiation from Slot-fed Dielectric Slabs by : Alfred T. Villeneuve
Download or read book Radiation from Slot-fed Dielectric Slabs written by Alfred T. Villeneuve and published by . This book was released on 1972 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: The report contains analyses of the radiation characteristics of grounded dielectric slabs fed by slots in the groundplane. Two configurations are examined, one in which a semi-infinite slab covers the slot, a second in which a finite slab does not extend over the slot. The slots are parallel to the slab edges so that only TM mode propagation is considered. Integral equations are derived for the fields at the ends of the slabs and approximate solutions are obtained. Numerical results in the form of radiation patterns are given for the case of the semi-infinite slab. It is found that the feed pattern is very close to the space-wave that would exist if the slab were infinite, but differs from it in the region near the horizon. The results can be applied to studies of electronic scanning of finite arrays of slots in the presence of surface wave structures. Recommendations for further study are included. (Author).
Book Synopsis Electromagnetic Boundary-value Problems Based Upon a Modification of Residue Calculus and Function Theoretic Techniques by : James Patrick Montgomery
Download or read book Electromagnetic Boundary-value Problems Based Upon a Modification of Residue Calculus and Function Theoretic Techniques written by James Patrick Montgomery and published by . This book was released on 1979 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Computer Techniques for Electromagnetics by : R. Mittra
Download or read book Computer Techniques for Electromagnetics written by R. Mittra and published by Elsevier. This book was released on 2013-10-22 with total page 417 pages. Available in PDF, EPUB and Kindle. Book excerpt: Computer Techniques for Electromagnetics discusses the ways in which computer techniques solve practical problems in electromagnetics. It discusses the impact of the emergence of high-speed computers in the study of electromagnetics. This text provides a brief background on the approaches used by mathematical analysts in solving integral equations. It also demonstrates how to use computer techniques in computing current distribution, radar scattering, and waveguide discontinuities, and inverse scattering. This book will be useful for students looking for a comprehensive text on computer techniques on electromagnetics.
Book Synopsis Bibliography, with Abstracts, of AFCRL Publications from 1 January to 31 March 1970 by : Air Force Cambridge Research Laboratories (U.S.)
Download or read book Bibliography, with Abstracts, of AFCRL Publications from 1 January to 31 March 1970 written by Air Force Cambridge Research Laboratories (U.S.) and published by . This book was released on 1970 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: This bibliography lists all AFCRL in-house reports, journal articles, and contractor reports issued from 1 January to 31 March 1970. Abstracts are included.
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 1987 with total page 1126 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Book Synopsis Applied Computational Electromagnetics by : Nikolaos K. Uzunoglu
Download or read book Applied Computational Electromagnetics written by Nikolaos K. Uzunoglu and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 533 pages. Available in PDF, EPUB and Kindle. Book excerpt: @EOI: AEI rEOMETPEI Epigram of the Academy of Plato in Athens Electromagnetism, the science of forces arising from Amber (HAEKTPON) and the stone of Magnesia (MArNHLIA), has been the fOWldation of major scientific breakthroughs, such as Quantum Mechanics and Theory of Relativity, as well as most leading edge technologies of the twentieth century. The accuracy of electromagnetic fields computations for engineering purposes has been significantly improved during the last decades, due to the deVelopment of efficient computational techniques and the availability of high performance computing. The present book is based on the contributions and discussions developed during the NATO Advanced Study Institute on Applied Computational Electromagnetics: State of the Art and Future Trends, which has taken place in Hellas, on the island of Samos, very close to the birthplace of Electromagnetism. The book covers the fundamental concepts, recent developments and advanced applications of Integral Equation and Metliod of Moments Techniques, Finite Element and BOWldary Element Methods, Finite Difference Time Domain and Transmission Line Methods. Furthermore, topics related to Computational Electromagnetics, such as Inverse Scattering, Semi-Analytical Methods and Parallel Processing Techniques are included. The collective presentation of the principal computational electromagnetics techniques, developed to handle diverse challenging leading edge technology problems, is expected to be useful to researchers and postgraduate students working in various topics of electromagnetic technologies.
Book Synopsis Transform Methods for Solving Partial Differential Equations by : Dean G. Duffy
Download or read book Transform Methods for Solving Partial Differential Equations written by Dean G. Duffy and published by CRC Press. This book was released on 2004-07-15 with total page 727 pages. Available in PDF, EPUB and Kindle. Book excerpt: Transform methods provide a bridge between the commonly used method of separation of variables and numerical techniques for solving linear partial differential equations. While in some ways similar to separation of variables, transform methods can be effective for a wider class of problems. Even when the inverse of the transform cannot be found ana
Book Synopsis U.S. Government Research & Development Reports by :
Download or read book U.S. Government Research & Development Reports written by and published by . This book was released on 1970 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electromagnetic Waves, Materials, and Computation with MATLAB® by : Dikshitulu K. Kalluri
Download or read book Electromagnetic Waves, Materials, and Computation with MATLAB® written by Dikshitulu K. Kalluri and published by CRC Press. This book was released on 2011-08-17 with total page 889 pages. Available in PDF, EPUB and Kindle. Book excerpt: Readily available commercial software enables engineers and students to perform routine calculations and design without necessarily having a sufficient conceptual understanding of the anticipated solution. The software is so user-friendly that it usually produces a beautiful colored visualization of that solution, often camouflaging the fact that the program is executing the wrong simulation of the physical problem. Electromagnetic Waves, Materials, and Computation with MATLAB® takes an integrative modern approach to the subject of electromagnetic analysis by supplementing quintessential "old school" information and methods with instruction in the use of newer commercial software such as MATLAB and methods including FDTD. Delving into the electromagnetics of bounded simple media, equations of complex media, and computation, this text includes: Appendices that cover a wide range of associated issues and techniques A concluding section containing an array of problems, quizzes, and examinations A downloadable component for instructors including PowerPointTM slides, solutions to problems, and more Striking a balance between theoretical and practical aspects, internationally recognized expert Dikshitulu Kalluri clearly illustrates how intuitive approximate solutions are derived. Providing case studies and practical examples throughout, he examines the role of commercial software in this process, also covering interpretation of findings. Kalluri’s extensive experience teaching this subject enables him to streamline and convey material in a way that helps readers master conceptual mathematical aspects. This gives them confidence in their ability to use high-level software to write code, but it also ensures that they will never be solely dependent on such programs.
Book Synopsis Complex Electromagnetic Problems and Numerical Simulation Approaches by : Levent Sevgi
Download or read book Complex Electromagnetic Problems and Numerical Simulation Approaches written by Levent Sevgi and published by John Wiley & Sons. This book was released on 2003-06-10 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: Today, engineering problems are very complex, requiring powerful computer simulations to power them. For engineers, observable-based parameterization as well as numerically computable formsâ??with rapid convergent properties if in a seriesâ??are essential. Complex Electromagnetic Problems and Numerical Simulation Approaches, along with its companion FTP site, will show you how to take on complex electromagnetic problems and solve them in an accurate and efficient manner. Organized into two distinct parts, this comprehensive resource first introduces you to the concepts, approaches, and numerical simulation techniques that will be used throughout the book and then, in Part II, offers step-by-step guidance as to their practical, real-world applications. Self-contained chapters will enable you to find specific solutions to numerous problems. Filled with in-depth insight and expert advice, Complex Electromagnetic Problems and Numerical Simulation Approaches: Describes ground wave propagation Examines antenna systems Deals with radar cross section (RCS) modeling Explores microstrip network design with FDTD and TLM techniques Discusses electromagnetic compatibility (EMC) and bio-electromagnetics (BEM) modeling Presents radar simulation Whether you're a professional electromagnetic engineer requiring a consolidated overview of the subject or an academic/student who wishes to use powerful simulators as a learning tool, Complex Electromagnetic Problems and Numerical Simulation Approaches - with its focus on model development, model justification, and range of validity - is the right book for you.
Book Synopsis Advanced Electromagnetic Wave Propagation Methods by : Guillermo Gonzalez
Download or read book Advanced Electromagnetic Wave Propagation Methods written by Guillermo Gonzalez and published by CRC Press. This book was released on 2021-11-16 with total page 719 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook provides a solid foundation into many approaches that are used in the analysis of advanced electromagnetic wave propagation problems. The techniques discussed are essential to obtain closed-form solutions or asymptotic solutions and meet an existing need for instructors and students in electromagnetic theory. The book covers various advanced mathematical methods used in the evaluation of the electromagnetic fields in rectangular, cylindrical and spherical geometries. The mathematics of special functions (i.e., Bessel, Hankel, Airy, Legendre, Error, etc.) are covered in depth, including appropriate Appendices. The author takes particular care to provide detailed explanations of auxiliary potentials, Hertz’s vectors, Debye potentials, as well as the use of Green functions, the Watson transformation and the method of steepest descent in the solution of electromagnetic problems. Overall, Advanced Electromagnetic Wave Propagation Methods is a good source for the many skills required in obtaining closed form and asymptotic solution, which in many instances cannot be obtained using computer codes of Maxwell’s equations. Thus, it provides an excellent training for preparing graduate students in their research work. This book is intended for a graduate course in electromagnetic theory for students in electrical engineering. Students in physics and professionals will also find it appropriate and useful. Provides a comprehensive and unified treatment of radiation and propagation problems Presents a detailed explanation in the use of Green functions, the Watson transformation and the method of steepest descent as they apply to electromagnetic problems Demonstrates various advanced mathematical techniques used in the evaluation of the electromagnetic fields Details how to formulate and obtain a closed-form solution or an asymptotic solution Includes appendices for Bessel, Legendre, Airy and Error functions
Book Synopsis Nanoscale Field Effect Transistors: Emerging Applications by : Ekta Goel, Archana Pandey
Download or read book Nanoscale Field Effect Transistors: Emerging Applications written by Ekta Goel, Archana Pandey and published by Bentham Science Publishers. This book was released on 2023-12-20 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanoscale Field Effect Transistors: Emerging Applications is a comprehensive guide to understanding, simulating, and applying nanotechnology for design and development of specialized transistors. This book provides in-depth information on the modeling, simulation, characterization, and fabrication of semiconductor FET transistors. The book contents are structured into chapters that explain concepts with simple language and scientific references. The core of the book revolves around the fundamental physics that underlie the design of solid-state nanostructures and the optimization of these nanoscale devices for real-time applications. Readers will learn how to achieve superior performance in terms of reduced size and weight, enhanced subthreshold characteristics, improved switching efficiency, and minimal power consumption. Key Features: Quick summaries: Each chapter provides an introduction and summary to explain concepts in a concise manner. In-Depth Analysis: This book provides an extensive exploration of the theory and practice of nanoscale materials and devices, offering a detailed understanding of the technical aspects of Nano electronic FET transistors. Multidisciplinary Approach: It discusses various aspects of nanoscale materials and devices for applications such as quantum computation, biomedical applications, energy generation and storage, environmental protection, and more. It showcases how nanoscale FET devices are reshaping multiple industries. References: Chapters include references that encourage advanced readers to further explore key topics. Designed for a diverse audience, this book caters to students, academics and advanced readers interested in learning about Nano FET devices. Readership Students, academics and advanced readers
Book Synopsis U.S. Government Research & Development Reports by :
Download or read book U.S. Government Research & Development Reports written by and published by . This book was released on 1970-04 with total page 1446 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Direct and Inverse Electromagnetic Scattering by : A H Serbest
Download or read book Direct and Inverse Electromagnetic Scattering written by A H Serbest and published by CRC Press. This book was released on 1996-11-29 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides a review of developments in the fields of direct and inverse electromagnetic wave scattering. Contributions from leading researchers in these fields from all over the world are gathered in this book to discuss the state of the topic and directions for future research, starting from the fundamental structure of wave scattering problems and finishing with an assessment of the impact of this structure in applications
Book Synopsis Theory of Waveguides by : Leonard Lewin
Download or read book Theory of Waveguides written by Leonard Lewin and published by . This book was released on 1975 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt:
