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Saturday, May 2, 2020 | History

4 edition of Discontinuities in wave guides found in the catalog.

Discontinuities in wave guides

notes on lectures by Julian Schwinger

by Julian Seymour Schwinger

  • 302 Want to read
  • 9 Currently reading

Published by Gordon and Breach in New York .
Written in English


Edition Notes

StatementJulian Schwinger, David S. Saxon.
SeriesDocuments on modern physics
ContributionsSaxon, David Stephen.
The Physical Object
Paginationxiii,163p.
Number of Pages163
ID Numbers
Open LibraryOL17442881M
ISBN 100677018401

Ray Optics-A Novel Approach to Scattering by Discontinuities in a Waveguide Abstract: Waveguide discontinuities are analyzed conventionally by techniques utilizing the induced field in the vicinity of the discontinuity for calculation of the distant reflected and transmitted field in the various by: Herein, waveguide filters using discontinuities inside the waveguide structure are of interest. These discontinuities can have various shapes and positions [ 3 ]. Numerous examples, along with the equivalent circuits and closed-form expressions to calculate the parameters of discontinuities Cited by: 2.

5 Four-terminal structures + Show details-Hide details p. – () A structure that contains a geometrical discontinuity is designated as a four-terminal, or two-terminal-pair, waveguide structure if it comprises an input and an output region each in the form of a waveguide . The paper applies the re-expansion method for analyzing planar discontinuities at the junction of two axi-symmetrical circular waveguides. The normal modes in the two waveguides are expanded at the junction plane into a system of functions accounting for velocity singularities at the corner by: 1.

Rigorous Analysis of the Propagation in Metallic Circular Waveguide with Discontinuities Filled with Anisotropic Metamaterial March DOI: /intechopen PhD Thesis: TEM Wave Propagation In Coaxial Waveguides With Step Discontinuity.


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Discontinuities in wave guides by Julian Seymour Schwinger Download PDF EPUB FB2

Problems involving discontinuities in waveguides are of great practical importance and a considerable amount of attention has been devoted to them in recent years. The two types of discontinuities that have been most extensive ly treated for a rectangular guide are the bifurcation of the guide by a semi infinite plane and a step discontinuity in the guide by: 7.

About the Author. Nick V. Solokhin, PhD, works in field of acoustics and elastodynamics. His scientific interests include analysis of some diffraction problems in acoustic and elastic media, design of ultrasonic transducers, and special acoustic measurements.

He is owner and CEO of Ultrasonic S-Lab, : Nick V. Solokhin. actual amplitude apert aperture apply arbitrary amplitude Babinet's Principle Bifurcated Guide boundary conditions calculation capacitive Chapter characteristic impedance component conformal mapping consider constant convenience corresponding current and voltage cylindrical define definition derived dielectric discontinuity electric field equivalent circuit excitation formulation Fourier transform Fourier.

Therefore, as a starting point, we shall consider only discontinuities in rectangular waveguides and shall treat only those special cases for which a reduction to a scalar two-dimensional problem.

Abstract The considered in Discontinuities in wave guides book Chapter method of treatment of waveguide discontinuities is with the theory of diffraction of modes at the obstacles in waveguides and transmission lines, which gives clear understanding of this : Guennadi A.

Kouzaev. I.1 INTRODUCTION 2 region is of the same type as the geometry of the waveguides used for the ports, and the problem is known in microwave engineering as a discontinuity problem.

A rectangular waveguide discontinuity is a particular case in which the waveguides are rectangular. dimensional arbitrarily-shaped discontinuities present at the Discontinuities in wave guides book waveguide junctions.

In, reflection and transmission characteristics of metal wedges in a rectangular waveguide were studied using H-field FEM formulation. It has been shown in that theFile Size: KB. Journal of Sound and Vibration () (3), SIMPLE DISCONTINUITIES IN ACOUSTIC WAVEGUIDES AT LOW FREQUENCIES: CRITICAL ANALYSIS AND FORMULAE J.

KERGOMARD AND A. GARCIAt Laboratoire d'Acoustique, UA C.N.R.S., Facultd des Sciences, B.P. Le Mans Cedex, France (Received 17 Apriland in revised form 24 May ) The variational Cited by: The Waveguide Handbook is an unabridged reprint of the book first published in by McGraw Hill as Volume 10 of the MIT Radiation Laboratory Series.

Although the primary aim of the book is to present the equivalent-circuit parameters for a large number of microwave structures, a brief but coherent account of the fundamental concepts necessary for their proper utilisation is by:   Waveguide Discontinuities – Waveguide Windows, Tuning Screws and Posts.

Matched Loads. Waveguide Attenuators – Different Types, Resistive Card and Rotary Vane Attenuators: Waveguide Phase Shifters — Types, Dielectric and Rotary Vane Phase Shifters, Waveguide Multiport Junctions — E plane and H plane Tees, Magic Tee.

The tools and techniques to fully leverage coplanar technology Coplanar Microwave Integrated Circuits sets forth the theoretical underpinnings of coplanar waveguides and thoroughly examines the various coplanar components such as discontinuities, lumped elements, resonators, couplers, and filters, which are essential for microwave integrated circuit design.

Conferences related to Waveguide discontinuities Back to Top. IEEE/MTT-S International Microwave Symposium - IMS The IEEE MTT-S International Microwave Symposium (IMS) is the premier conference covering basic technologies, to passives and actives components to system over a wide range of frequencies including VHF, UHF, RF, microwave, millimeter-wave, terahertz, and optical.

The Marcuvitz-Schwinger formalism (Felsen & Marcuvitz, ) provides the general representation of electromagnetic fields in an arbitrary waveguide filled with a homogeneous isotropic medium. By assuming that the longitudinal axis of the waveguide is the axis ^z, we have the following representation of the transverse electromagnetic field in the TM and TE modes: Et(p,z) = Σ ν'(z)e'i(p Author: Vito G.

Daniele, Rodolfo Zich. nar discontinuities at the junction of two offset circular acoustic waveguides. The normal modes in the two waveguides are expanded at the junction plane into a system of functions accounting for ve. Waveguide Discontinuities – Waveguide Windows, Tuning Screws and Posts. Matched Loads.

Waveguide Attenuators – Different Types, Resistive Card and Rotary Vane Attenuators: Waveguide Phase Shifters — Types, Dielectric and Rotary Vane Phase Shifters, Waveguide Multiport Junctions — E plane and H plane Tees, Magic Tee/5(27).

1 Review. Intended for first year graduate students, this book addresses the basic problems associated with a waveguide as a communication medium.

It includes studies of metallic cylindrical waveguides, surface impedance waveguides, dielectrical and open waveguides and natural waveguides.2/5(1). write up his work as The Theory of Wave Guides, which would complement Marcuvitz’ practical handbook. Schwinger did labor mightily on the project for a time, and completed more than two long chapters before abandoning the enterprise.

When he joined Harvard in February he taught a course on electromagnetic waves and waveguides at least Size: 2MB. The Representation, Measurement, and Calculation of Equivalent Circuits for Waveguide Discontinuities With Application to Rectangular Slots Paperback – See all formats and editions Hide other formats and editions.

Price New from Used from Paperback, "Please retry" Manufacturer: Polytechnic Institute of Brooklyn. Virtually all practical distributed circuits, whether in waveguide, coaxial lines, or any other propagation structure, must inherently contain discontinuities.

A straight, uninterrupted length of any transmission structure would not contain any by: 2. Examples include slotted waveguides, step discontinuities in slab waveguides, coupled and truncated ribguides, via holes in open microstrip, and air bridges in open coplanar waveguides.

The unifying concept is the fundamental modal approach for both guiding and radiation, developed by the authors during the course of many years of by:. In this paper, we propose a novel computer-aided design (CAD) tool based on the artificial neural networks to the analysis of uniaxial discontinuities in rectangular waveguides.

Basic Electromagnetic Theory. Green's Functions. Transverse Electromagnetic Waves. Transmission Lines. Waveguides and Cavities. Inhomogeneously Filled Waveguides and Dielectric Resonators.

Excitation of Waveguides and Cavities. Variational Methods for Waveguide Discontinuities. Periodic : Wiley.The Waveguide Handbook is an unabridged reprint of the book first published in by McGraw Hill as Volume 10 of the MIT Radiation Laboratory Series.

Although the primary aim of the book is to present the equivalent-circuit parameters for a large number of microwave structures, a brief but coherent account of the fundamental concepts necessary for their proper utilisation is included/5(3).