Discontinuities In Waveguides

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Discontinuities In Waveguides

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Author : Julian Schwinger
language : en
Publisher: CRC Press
Release Date : 1968

Discontinuities In Waveguides written by Julian Schwinger and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Science categories.

First produced by the Swedish Association of Metalworking Industries.

Discontinuities In Waveguides

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Author : Julian Seymour Schwinger
language : en
Publisher:
Release Date : 1986

Discontinuities In Waveguides written by Julian Seymour Schwinger and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with categories.

Waveguide Handbook

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Author : Nathan Marcuvitz
language : en
Publisher: IET
Release Date : 1951

Waveguide Handbook written by Nathan Marcuvitz and has been published by IET this book supported file pdf, txt, epub, kindle and other format this book has been release on 1951 with Science categories.

Presents the equivalent-circuit parameters for a large number of microwave structures.

Step Discontinuities In Waveguides Classic Reprint

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Author : W. Elwyn Williams
language : en
Publisher:
Release Date : 2015-08-05

Step Discontinuities In Waveguides Classic Reprint written by W. Elwyn Williams and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-08-05 with Mathematics categories.

Excerpt from Step Discontinuities in Waveguides Problems involving discontinuities in waveguides are of great practical importance and a considerable amount of attention has been devoted to them in recent 3 rears, The two types of discontinuities that have been most extensively treated for a rectangular guide are the bifurcation of the guide by a semi infinite plane and a step discontinuity in the guide cross-section. The problem of the bifurcation may be solved in terms of known functions by applying the well-known Wiener-Hopf technique for solving integral equations. The methods for solving the problem of a step discontinuity which have appeared in the literature are, however, in no way based on the Wiener-Hopf approach. Two distinct methods have been employed; the first consists of expanding the field components on either side of the discontinuity in terms of the appropriate eigenfunctions for the region considered, and then matching the components across the plane of discontinuity. The second method used is the equivalent static approach as described in the Wave Guide Handbook. Since there is obviously a physical relationship between these two problems it is desirable to solve them both by the same method in order that the solution should display clearly the relationship between them, and this is the object of the present work. We therefore consider the application of the Wiener-Hopf technique to solve the problem of a step discontinuity in a parallel plate region (or, equivalently, the coupling of two parallel plate waveguides of different height). The problem is formulated as an acoustic one, but it could have been equally-well stated in electromagnetic terms by considering the case in which the only non-vanishing component of the magnetic field is parallel to the edges of the step. It is assumed that the fundamental mode is incident from the larger region on the step and, initially, that the dimensions of both regions concerned are taken to be such that only the fundamental mode may propagate without attenuation. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Discontinuities In Acoustic Wave Guide And The Reciprocity

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Author : Nick V. Solokhin
language : en
Publisher: Fultus Corporation
Release Date : 2007

Discontinuities In Acoustic Wave Guide And The Reciprocity written by Nick V. Solokhin and has been published by Fultus Corporation this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Science categories.

This work includes numerical analysis of discontinuities in acoustic wave-guide and their properties in multi-mode case. It was suggested new version of reciprocity relations between wave-guide modes: between incident and transmitted and between incident and reflected modes. This new version of reciprocity relations transforms into old one in a case of single traveling mode.

Step Discontinuities In Waveguides

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Author : W Elwyn Williams
language : en
Publisher: Legare Street Press
Release Date : 2023-07-18

Step Discontinuities In Waveguides written by W Elwyn Williams and has been published by Legare Street Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-07-18 with categories.

This classic text from 1970 provides a detailed analysis of the behavior of electromagnetic waves at step discontinuities in waveguides, with applications to microwave engineering, radar and communications. The author introduces new techniques for solving Maxwell's equations in waveguide geometries, and provides a wealth of examples and applications to illustrate the theory. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

Fractal Apertures In Waveguides Conducting Screens And Cavities

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Author : Basudeb Ghosh
language : en
Publisher: Springer
Release Date : 2014-06-12

Fractal Apertures In Waveguides Conducting Screens And Cavities written by Basudeb Ghosh and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-06-12 with Science categories.

This book deals with the design and analysis of fractal apertures in waveguides, conducting screens and cavities using numerical electromagnetics and field-solvers. The aim is to obtain design solutions with improved accuracy for a wide range of applications. To achieve this goal, a few diverse problems are considered. The book is organized with adequate space dedicated for the design and analysis of fractal apertures in waveguides, conducting screens and cavities, microwave/millimeter wave applications followed by detailed case-study problems to infuse better insight and understanding of the subject. Finally, summaries and suggestions are given for future work. Fractal geometries were widely used in electromagnetics, specifically for antennas and frequency selective surfaces (FSS). The self-similarity of fractal geometry gives rise to a multiband response, whereas the space-filling nature of the fractal geometries makes it an efficient element in antenna and FSS unit cell miniaturization. Until now, no efforts were made to study the behavior of these fractal geometries for aperture coupling problems. The aperture coupling problem is an important boundary value problem in electromagnetics and used in waveguide filters and power dividers, slotted ground planes, frequency selective surfaces and metamaterials. The present book is intended to initiate a study of the characteristics of fractal apertures in waveguides, conducting screens and cavities. To perform a unified analysis of these entirely dissimilar problems, the “generalized network formulation of the aperture problems” by Mautz and Harrington was extended to multiple-aperture geometry. The authors consider the problem of coupling between two arbitrary regions coupled together via multiple apertures of arbitrary shape. MATLAB codes were developed for the problems and validated with the results available in the literature as well as through simulations on ANSOFT's HFSS.

Electromagnetic Waveguides

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Author : S. F. Mahmoud
language : en
Publisher: IET
Release Date : 1991

Electromagnetic Waveguides written by S. F. Mahmoud and has been published by IET this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Science categories.

A textbook for an introductory graduate course in electromagnetic waveguides, covering such types as low attenuation, dielectric, and the natural wave guides in the ionosphere and in mine tunnels. Annotation copyrighted by Book News, Inc., Portland, OR

Moment Method Solution For Multiple Step Discontinuities In Waveguides

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Author : Abdul-Kadir M. N. Hamid
language : en
Publisher:
Release Date : 1988

Moment Method Solution For Multiple Step Discontinuities In Waveguides written by Abdul-Kadir M. N. Hamid and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with categories.

Ridge Waveguides And Passive Microwave Components

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Author : J. Helszajn
language : en
Publisher: IET
Release Date : 2000-06-30

Ridge Waveguides And Passive Microwave Components written by J. Helszajn and has been published by IET this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-06-30 with Technology & Engineering categories.

This book collects much of Helszajn's work (formerly, Heriot-Watt University) and includes closed-form and finite element calculations of the propagation constant, attenuation and mode spectrum for the ridge waveguide, and power-current and power-voltage definitions of impedance. Circular polarization is also treated. Propagation properties where the waveguide has a dielectric filler are calculated. The treatment is then extended to more complex designs, including quadruple ridge waveguides with and without a gyromagnetic filler. The text includes descriptions of many of the passive devices which can be realized using these waveguides, including isolators, phase shifters, and circulators. c. Book News Inc.