Theory And Computation Of Characteristic Modes For Conducting Bodies

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Theory and Computation of Characteristic Modes for Conducting Bodies

Author : Roger F. Harrington
Publisher :
ISBN 13 :
Total Pages : 74 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Theory and Computation of Characteristic Modes for Conducting Bodies by : Roger F. Harrington

Download or read book Theory and Computation of Characteristic Modes for Conducting Bodies written by Roger F. Harrington and published by . This book was released on 1970 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt: A theory of characteristic modes for conducting bodies is developed starting from the operator formulation for the current. The mode currents form a weighted orthogonal set over the conductor surface, and the mode fields form an orthogonal set over the sphere at infinity. It is shown that the modes are the same ones introduced by Garbacz to diagonalize the scattering matrix of the body. Formulas for the use of these modes in antenna and scatterer problems are given. A procedure for computing the characteristic modes for bodies of arbitrary shape is developed, and applied to conducting bodies of revolution and to wire objects. Illustrative examples of the computation of characteristic currents and characteristic fields are given for a cone-sphere, a disk, and a wire arrow. Modal solutions using these modes are computed for representative antenna and scattering problems to illustrate convergence of the solution as the number of modes is increased. For electrically small and intermediate size bodies, only a few modes are needed to characterize the electromagnetic behavior of the body. (Author).

Characteristic Modes

Author : Yikai Chen
Publisher : John Wiley & Sons
ISBN 13 : 1119038898
Total Pages : 304 pages
Book Rating : 4.1/5 (19 download)

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Book Synopsis Characteristic Modes by : Yikai Chen

Download or read book Characteristic Modes written by Yikai Chen and published by John Wiley & Sons. This book was released on 2015-05-19 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: Describes how to systematically implement various characteristic mode (CM) theories into designs of practical antenna systems This book examines both theoretical developments of characteristic modes (CMs) and practical developments of CM-based methodologies for a variety of critical antenna designs. The book is divided into six chapters. Chapter 1 provides an introduction and discusses the recent advances of the CM theory and its applications in antenna engineering. Chapter 2 describes the formulation of the characteristic mode theory for perfectly electrically conducting (PEC) bodies and discusses its numerical implementations. Chapter 3 presents the CM theory for PEC structures embedded in multilayered medium and its applications. Chapter 4 covers recent advances in CM theory for dielectric bodies and also their applications. Chapter 5 discusses the CM theory for N-port networks and its applications to the design of antenna arrays. Finally, Chapter 6 discusses the design of platform-integrated antenna systems using characteristic modes. This book features the following: Introduces characteristic mode theories for various electromagnetic structures including PEC bodies, structures in multilayered medium, dielectric bodies, and N-port networks Examines CM applications in electrically small antennas, microstrip patch antennas, dielectric resonator antennas, multiport antennas, antenna arrays, and platform mounted antenna systems Discusses numerical algorithms for the implementation of the characteristic mode theories in computer code Characteristic Modes: Theory and Applications in Antenna Engineering will help antenna researchers, engineers, and students find new solutions for their antenna design challenges.

Bibliography, with Abstracts, of AFCRL Publications from 1 January to 31 March 1971

Author :
Publisher :
ISBN 13 :
Total Pages : 170 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Bibliography, with Abstracts, of AFCRL Publications from 1 January to 31 March 1971 by :

Download or read book Bibliography, with Abstracts, of AFCRL Publications from 1 January to 31 March 1971 written by and published by . This book was released on 1971 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scientific and Technical Aerospace Reports

Author :
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (31 download)

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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 1986 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Transient Electromagnetic Fields

Author : L.B. Felsen
Publisher : Springer Science & Business Media
ISBN 13 : 3540380957
Total Pages : 289 pages
Book Rating : 4.5/5 (43 download)

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Book Synopsis Transient Electromagnetic Fields by : L.B. Felsen

Download or read book Transient Electromagnetic Fields written by L.B. Felsen and published by Springer Science & Business Media. This book was released on 2006-01-21 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Electromagnetic Radiation, Scattering, and Diffraction

$Download Electromagnetic Radiation, Scattering, and Diffraction PDF Online Free$

Author : Prabhakar H. Pathak
Publisher : John Wiley & Sons
ISBN 13 : 1119810531
Total Pages : 1156 pages
Book Rating : 4.1/5 (198 download)

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Book Synopsis Electromagnetic Radiation, Scattering, and Diffraction by : Prabhakar H. Pathak

Download or read book Electromagnetic Radiation, Scattering, and Diffraction written by Prabhakar H. Pathak and published by John Wiley & Sons. This book was released on 2021-12-07 with total page 1156 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electromagnetic Radiation, Scattering, and Diffraction Discover a graduate-level text for students specializing in electromagnetic wave radiation, scattering, and diffraction for engineering applications In Electromagnetic Radiation, Scattering and Diffraction, distinguished authors Drs. Prabhakar H. Pathak and Robert J. Burkholder deliver a thorough exploration of the behavior of electromagnetic fields in radiation, scattering, and guided wave environments. The book tackles its subject from first principles and includes coverage of low and high frequencies. It stresses physical interpretations of the electromagnetic wave phenomena along with their underlying mathematics. The authors emphasize fundamental principles and provide numerous examples to illustrate the concepts contained within. Students with a limited undergraduate electromagnetic background will rapidly and systematically advance their understanding of electromagnetic wave theory until they can complete useful and important graduate-level work on electromagnetic wave problems. Electromagnetic Radiation, Scattering and Diffraction also serves as a practical companion for students trying to simulate problems with commercial EM software and trying to better interpret their results. Readers will also benefit from the breadth and depth of topics, such as: Basic equations governing all electromagnetic (EM) phenomena at macroscopic scales are presented systematically. Stationary and relativistic moving boundary conditions are developed. Waves in planar multilayered isotropic and anisotropic media are analyzed. EM theorems are introduced and applied to a variety of useful antenna problems. Modal techniques are presented for analyzing guided wave and periodic structures. Potential theory and Green's function methods are developed to treat interior and exterior EM problems. Asymptotic High Frequency methods are developed for evaluating radiation Integrals to extract ray fields. Edge and surface diffracted ray fields, as well as surface, leaky and lateral wave fields are obtained. A collective ray analysis for finite conformal antenna phased arrays is developed. EM beams are introduced and provide useful basis functions. Integral equations and their numerical solutions via the method of moments are developed. The fast multipole method is presented. Low frequency breakdown is studied. Characteristic modes are discussed. Perfect for graduate students studying electromagnetic theory, Electromagnetic Radiation, Scattering, and Diffraction is an invaluable resource for professional electromagnetic engineers and researchers working in this area.

Bibliography of Scientific and Industrial Reports

Author :
Publisher :
ISBN 13 :
Total Pages : 922 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Bibliography of Scientific and Industrial Reports by :

Download or read book Bibliography of Scientific and Industrial Reports written by and published by . This book was released on 1970 with total page 922 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Substrate Integrated Suspended Line Antenna and Arrays

Author : Kaixue Ma
Publisher : Springer Nature
ISBN 13 : 9819950112
Total Pages : 234 pages
Book Rating : 4.8/5 (199 download)

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Book Synopsis Substrate Integrated Suspended Line Antenna and Arrays by : Kaixue Ma

Download or read book Substrate Integrated Suspended Line Antenna and Arrays written by Kaixue Ma and published by Springer Nature. This book was released on 2023-12-23 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book delves deeply into the substrate integrated suspended line antenna technologies and evaluates its potential to replace conventional three-dimensional (3D) metal-based antennas. Over the years, studies on substrate integrated suspended line antennas have captivated engineers and scientists from the antennas and related engineering fields, all aiming to achieve low-cost and low-loss characteristics. The book establishes a fundamental framework for this topic, while emphasizing the importance of substrate integrated suspended line antennas in the wireless communication and radar systems. It is designed for undergraduate and graduate students who are interested in antenna technology, researchers investigating substrate integrated technology, and antenna engineers working on low-cost and low-loss antennas and arrays.

Antennas

Author : Yi Huang
Publisher : John Wiley & Sons
ISBN 13 : 1119092329
Total Pages : 548 pages
Book Rating : 4.1/5 (19 download)

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Book Synopsis Antennas by : Yi Huang

Download or read book Antennas written by Yi Huang and published by John Wiley & Sons. This book was released on 2021-09-14 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt: Antennas From Theory to Practice Comprehensive coverage of the fundamentals and latest developments in antennas and antenna design In the newly revised Second Edition of Antennas: From Theory to Practice, renowned researcher, engineer, and author Professor Yi Huang delivers comprehensive and timely coverage of issues in modern antenna design and theory. Practical and accessible, the book is written for engineers, researchers, and students who work with radio frequency/microwave engineering, radar, and radio communications. The book details the basics of transmission lines, radiowaves and propagation, antenna theory, antenna analysis and design using industrial standard design software tools and the theory of characteristic modes, antenna measurement equipment, facilities, and techniques. It also covers the latest developments in special topics, like small and mobile antennas, wide- and multi-band antennas, automotive antennas, RFID, UWB, metamaterials, reconfigurable and MIMO antennas, and more. The new edition includes up to date information on a wide variety of newly relevant topics and trends, like adaptive impedance matching, the theory of characteristic modes, antenna materials and fabrication processes, and over-the-air (OTA) antenna system measurements. Many questions and examples are provided which enhances the learning experience. The book covers: An introduction to circuit concepts and transmission lines, including lumped and distributed element systems, transmission line theory, and the Smith Chart An exploration of field concepts and radiowaves, including wave equations and solutions and radiowave propagation mechanisms, characteristics, and models Discussions of antenna basics and popular antennas, including wire-type antennas, aperture-type antennas, and antenna arrays Information about antenna manufacturing and measurements, including antenna measurement facilities and methods The use of industrial standard simulation tools for antenna design and analysis Perfect for engineers and researchers who work in RF engineering or radar and radio communications, Antennas: From Theory to Practice, Second Edition will also earn a place on the bookshelves of university students seeking a concise and practical introduction to the basics of antennas and antenna design.

Multifunctional MIMO Antennas: Fundamentals and Application

Author : Yadwinder Kumar
Publisher : CRC Press
ISBN 13 : 1000589609
Total Pages : 278 pages
Book Rating : 4.0/5 (5 download)

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Book Synopsis Multifunctional MIMO Antennas: Fundamentals and Application by : Yadwinder Kumar

Download or read book Multifunctional MIMO Antennas: Fundamentals and Application written by Yadwinder Kumar and published by CRC Press. This book was released on 2022-05-19 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a comprehensive approach to antenna designs for various applications, including 5G communication, the internet of things (IoT), and wearable devices. It discusses models, designs, and developments of MIMO antennas, antenna performance measurement, 5G communication challenges and opportunities, and MIMO antennas for LTE/ISM applications. It covers important topics including mmWave antennas, antenna arrays for MIMO applications, reconfigurable/band-notched MIMO antennas, multiband MIMO antennas, wideband MIMO antennas, and fractal-based compact multiband hybrid antennas. FEATURES Discusses antenna design optimization techniques in detail Covers MIMO antenna performance measurement, multiband MIMO antennas, and wideband MIMO antennas Discusses modeling, simulation, and specific absorption rate (SAR) analysis of antennas Provides applications including radio-frequency identification (RFID), wearable antennas, and antennas for IoT Multifunctional MIMO Antennas: Fundamentals and Application is useful for undergraduate and graduate students and academic researchers in areas including electrical engineering, electronics, and communication engineering.

Modal Analysis of Loaded N-oort Scatterers

Author : Roger F. Harrington
Publisher :
ISBN 13 :
Total Pages : 124 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Modal Analysis of Loaded N-oort Scatterers by : Roger F. Harrington

Download or read book Modal Analysis of Loaded N-oort Scatterers written by Roger F. Harrington and published by . This book was released on 1972 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: An N-port loaded scatterer is one having N ports to which lumped impedance loads or a load network is connected. Methods are given to determine the characteristic modes of a loaded scatterer and for using them in a modal solution for electromagnetic scattering. A procedure is also given for resonating any given real port current, which makes that current the dominant mode of the loaded scatterer. The theory is formulated both in terms of open-circuit and short-circuit network parameters. A number of numerical examples are given for a wire triangle to illustrate the general theory. Computer programs are included for all procedures discussed. (Author).

Antennas for Small Mobile Terminals

Author : Kyohei Fujimoto
Publisher : Artech House
ISBN 13 : 1630815217
Total Pages : 340 pages
Book Rating : 4.6/5 (38 download)

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Book Synopsis Antennas for Small Mobile Terminals by : Kyohei Fujimoto

Download or read book Antennas for Small Mobile Terminals written by Kyohei Fujimoto and published by Artech House. This book was released on 2018-09-30 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the progress and rapid increase in mobile terminals, the design of antennas for these small systems is becoming more and more important. This forward-looking volume offers professionals current and comprehensive coverage of the design, development, and implementation of small, compact, and lightweight antennas in mobile communication terminals. The book discusses a wide range of communication systems, from Radio-frequency identification (RFID), and near field communications (NFC), to wireless power transmission (WPT) and broadband wireless networks. Engineers learn how to use small antennas in mobile phones, wearable systems, laptop computers, radio watches, and broadband wireless networks such as WLAN and WiMAX. This definite reference covers the critical applications today’s professionals need to understand, from antennas for IoT and antenna design for 5G mm-wave devices, to body-centric communication systems and antennas for unmanned aerial vehicles.

Solutions and Applications of Scattering, Propagation, Radiation and Emission of Electromagnetic Waves

Author : Ahmed Kishk
Publisher : BoD – Books on Demand
ISBN 13 : 9535108387
Total Pages : 362 pages
Book Rating : 4.5/5 (351 download)

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Book Synopsis Solutions and Applications of Scattering, Propagation, Radiation and Emission of Electromagnetic Waves by : Ahmed Kishk

Download or read book Solutions and Applications of Scattering, Propagation, Radiation and Emission of Electromagnetic Waves written by Ahmed Kishk and published by BoD – Books on Demand. This book was released on 2012-11-14 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book, a wide range of different topics related to analytical as well as numerical solutions of problems related to scattering, propagation, radiation, and emission in different medium are discussed. Design of several devices and their measurements aspects are introduced. Topics related to microwave region as well as Terahertz and quasi-optical region are considered. Bi-isotropic metamaterial in optical region is investigated. Interesting numerical methods in frequency domain and time domain for scattering, radiation, forward as well as reverse problems and microwave imaging are summarized. Therefore, the book will satisfy different tastes for engineers interested for example in microwave engineering, antennas, and numerical methods.

NASA Technical Note

Author :
Publisher :
ISBN 13 :
Total Pages : 550 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis NASA Technical Note by :

Download or read book NASA Technical Note written by and published by . This book was released on 1974 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Computer Techniques for Electromagnetics

Author : R. Mittra
Publisher : Elsevier
ISBN 13 : 1483145468
Total Pages : 417 pages
Book Rating : 4.4/5 (831 download)

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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.

Identification of Radar Targets by Pattern Recognition

Author : William Bernard Goggins
Publisher :
ISBN 13 :
Total Pages : 142 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Identification of Radar Targets by Pattern Recognition by : William Bernard Goggins

Download or read book Identification of Radar Targets by Pattern Recognition written by William Bernard Goggins and published by . This book was released on 1973 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: The problem of identifying radar targets without predetermined knowledge or measurements of their aspect angle is examined. The proposed solution is to use radar magnitude and phase versus frequency data in the resonance region as input data for pattern recognition techniques. Practical methods are developed for measuring radar phase and dealing with polarization effects. Pattern recognition algorithms that optimize separation between pairs of input data are developed. These algorithms are based on digital spatial frequency filtering of curves of the radar return versus the radar frequency. The technique is simulated on a digital computer for three objects - a cylinder, a cone, and a step cylinder - all of about the same size. Results show that at most aspect angles, satisfactory recognition is attained at moderate signal-to-noise ratios.

Advances in Intelligent Computing and Communication

Author : Swagatam Das
Publisher : Springer Nature
ISBN 13 : 9811606951
Total Pages : 713 pages
Book Rating : 4.8/5 (116 download)

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Book Synopsis Advances in Intelligent Computing and Communication by : Swagatam Das

Download or read book Advances in Intelligent Computing and Communication written by Swagatam Das and published by Springer Nature. This book was released on 2021-05-22 with total page 713 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents high-quality research papers presented at the 3rd International Conference on Intelligent Computing and Advances in Communication (ICAC 2020) organized by Siksha ‘O’ Anusandhan Deemed to be University, Bhubaneswar, Odisha, India, in November 2020. This book brings out the new advances and research results in the fields of theoretical, experimental, and applied signal and image processing, soft computing, networking, and antenna research. Moreover, it provides a comprehensive and systematic reference on the range of alternative conversion processes and technologies.