Meta Smith Charts And Their Applications

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Meta Smith Charts And Their Applications

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Author : Danai Torrungrueng
language : en
Publisher: Springer Nature
Release Date : 2022-06-01

Meta Smith Charts And Their Applications written by Danai Torrungrueng and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-06-01 with Technology & Engineering categories.

This book presents the developments and potential applications of Meta-Smith charts, which can be applied to practical and useful transmission line problems (e.g., metamaterial transmission lines and nonreciprocal transmission lines). These problems are beyond the capability of the standard Smith chart to be applied effectively. As any RF engineer is aware, a key property of the Smith chart is the insight it provides, even in very complex design processes. Like the Smith chart, Meta-Smith charts provide a useful way of visualizing transmission line phenomena. They provide useful physical insight, and they can also assist in solving related problems effectively. This book can be used as a companion guide in studying Microwave Engineering for senior undergraduate students as well as for graduate students. It is also recommended for researchers in the RF community, especially those working with periodic transmission line structures and metamaterial transmission lines. Problems are also provided at the end of each chapter for readers to gain a better understanding of material presented in this book. Table of Contents: Essential Transmission Line Theory / Theory of CCITLs / Theory of BCITLs / Meta-Smith Charts for CCITLs and BCITLs / Applications of Meta-Smith Charts

Theory Of Meta Smith Charts

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Author : Danai Torrungrueng
language : en
Publisher:
Release Date : 2009

Theory Of Meta Smith Charts written by Danai Torrungrueng and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Meta-Smith charts categories.

In the book, the primary inventor of Meta-Smith charts illustrates their developments and application. Professor Torrungrueng shows that Meta-Smith charts can be applied to practical and useful transmission line problems (e.g metamaterial transmission lines), that are beyond the capability of the standard Smith chart. As any RF engineer is aware, a key property of the Smith chart is the insight it provides, even in very complex design processes. Like the Smith chart, Meta-Smith charts provide a useful way of visualizing transmission line phenomenon. They provide useful physical insight, and can also assist in solving related problems effectively. This book can be used as a companion guide in studying Microwave Engineering for senior undergraduate students as well as for graduate students. It is also recommended for researchers in the RF community, especially those working with periodic transmission line structures and metamaterial transmission lines. Problems are also provided at the end of each chapter for readers to gain a better understanding of material presented in this book .

Tunable Materials With Applications In Antennas And Microwaves

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Author : John N. Sahalos
language : en
Publisher: Springer Nature
Release Date : 2022-06-01

Tunable Materials With Applications In Antennas And Microwaves written by John N. Sahalos and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-06-01 with Technology & Engineering categories.

Tunable Materials with Applications in Antennas and Microwaves is a stimulating topic in these modern times. With the explosion of the new generation of the wireless world, greater emphasis than ever before is being placed on the analysis and applications of modern materials. This book describes the characteristics of Ferrites and Ferroelectrics and introduces the reader to Multiferroics. Represents, in a simple manner, the solid state physics and explains the permittivity and permeability tensor characteristics for the tunable materials of infinite and finite dimensions. Gives the applications of tunable materials in resonators, filters, microstrips, striplines, antennas, phase shifters, capacitors, varactors, and frequency selective surfaces. Describes in detail the mathematical analysis for spin and magnetostatic waves for infinite medium, thin slab films, and finite circular discs. The analysis contains original work, which the reader may extend in the future. Provides multiferroics, which are ferrite and ferroelectric composites. Multiferroics are very promising tunable materials which are believed will offer many applications in the near future. Contains the planar transmission lines with analytic formulas for multilayer microstrips, transmission lines, and waveguides with isotropic as well as anisotropic dielectric and magnetic materials. Also, gives the formulas to analyze the layered category of transmission lines with multiferroics. This book is intended for antenna and microwave engineers as well as for graduate students of Materials Science and Engineering, Electrical & Computer Engineering, and Physics Departments.

Design Of Reconfigurable Antennas Using Graph Models

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Author : Joseph Costantine
language : en
Publisher: Springer Nature
Release Date : 2022-06-01

Design Of Reconfigurable Antennas Using Graph Models written by Joseph Costantine and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-06-01 with Technology & Engineering categories.

This lecture discusses the use of graph models to represent reconfigurable antennas. The rise of antennas that adapt to their environment and change their operation based on the user's request hasn't been met with clear design guidelines. There is a need to propose some rules for the optimization of any reconfigurable antenna design and performance. Since reconfigurable antennas are seen as a collection of self-organizing parts, graph models can be introduced to relate each possible topology to a corresponding electromagnetic performance in terms of achieving a characteristic frequency of operation, impedance, and polarization. These models help designers understand reconfigurable antenna structures and enhance their functionality since they transform antennas from bulky devices into mathematical and software accessible models. The use of graphs facilitates the software control and cognition ability of reconfigurable antennas while optimizing their performance. This lecture also discusses the reduction of redundancy, complexity and reliability of reconfigurable antennas and reconfigurable antenna arrays. The full analysis of these parameters allows a better reconfigurable antenna implementation in wireless and space communications platforms. The use of graph models to reduce the complexity while preserving the reliability of reconfigurable antennas allow a better incorporation in applications such as cognitive radio, MIMO, satellite communications, and personal communication systems. A swifter response time is achieved with less cost and losses. This lecture is written for individuals who wish to venture into the field of reconfigurable antennas, with a little prior experience in this area, and learn how graph rules and theory, mainly used in the field of computer science, networking, and control systems can be applied to electromagnetic structures. This lecture will walk the reader through a design and analysis process of reconfigurable antennas using graph models with a practical and theoretical outlook.

Electrical Sustainable Energy For Mechanical Engineering

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Author : Masaaki Okubo
language : en
Publisher: Springer Nature
Release Date : 2025-07-14

Electrical Sustainable Energy For Mechanical Engineering written by Masaaki Okubo and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-07-14 with Technology & Engineering categories.

This book describes fundamentals and applications on electrical sustainable energy for Mechanical Engineering. The main objective of this book is to provide readers with an easy-to-understand resource on the foundations and application of electrical sustainable energy. This book was specifically crafted with the intention to serve as a resource for students in the third year through graduate school, particularly in departments other than electrical engineering such as mechanical engineering departments at universities. The aim is to provide foundational knowledge on sustainable electrical energy and energy conversion principles. The topics addressed are those which the author found beneficial in the pursuit of mechanical engineering research and are related to sustainable electrical engineering. It is designed to be covered within a semester of 15 weeks (90 minutes per week), structured into nine chapters. Specifically, it is suggested that chapters 1 and 2 be taught over 4 weeks, chapters 4 to 7 over 6 weeks, and chapters 8 and 9 across 5 weeks. Furthermore, each chapter has comprehensive exercise problems and is projected to cover approximately eight problems in two weeks. These exercises can either be conducted as in-class integrative practice or assigned as weekly homework tasks, with the intention of nurturing problem-solving capabilities in students.

Analysis And Design Of Transmitarray Antennas

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Author : Ahmed H. Abdelrahman
language : en
Publisher: Springer Nature
Release Date : 2022-06-01

Analysis And Design Of Transmitarray Antennas written by Ahmed H. Abdelrahman and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-06-01 with Technology & Engineering categories.

In recent years, transmitarray antennas have attracted growing interest with many antenna researchers. Transmitarrays combines both optical and antenna array theory, leading to a low profile design with high gain, high radiation efficiency, and versatile radiation performance for many wireless communication systems. In this book, comprehensive analysis, new methodologies, and novel designs of transmitarray antennas are presented. Detailed analysis for the design of planar space-fed array antennas is presented. The basics of aperture field distribution and the analysis of the array elements are described. The radiation performances (directivity and gain) are discussed using array theory approach, and the impacts of element phase errors are demonstrated. The performance of transmitarray design using multilayer frequency selective surfaces (M-FSS) approach is carefully studied, and the transmission phase limit which are generally independent from the selection of a specific element shape is revealed. The maximum transmission phase range is determined based on the number of layers, substrate permittivity, and the separations between layers. In order to reduce the transmitarray design complexity and cost, three different methods have been investigated. As a result, one design is performed using quad-layer cross-slot elements with no dielectric material and another using triple-layer spiral dipole elements. Both designs were fabricated and tested at X-Band for deep space communications. Furthermore, the radiation pattern characteristics were studied under different feed polarization conditions and oblique angles of incident field from the feed. New design methodologies are proposed to improve the bandwidth of transmitarray antennas through the control of the transmission phase range of the elements. These design techniques are validated through the fabrication and testing of two quad-layer transmitarray antennas at Ku-band. A single-feed quad-beam transmitarray antenna with 50 degrees elevation separation between the beams is investigated, designed, fabricated, and tested at Ku-band. In summary, various challenges in the analysis and design of transmitarray antennas are addressed in this book. New methodologies to improve the bandwidth of transmitarray antennas have been demonstrated. Several prototypes have been fabricated and tested, demonstrating the desirable features and potential new applications of transmitarray antennas.

Metal Industry

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Author :
language : en
Publisher:
Release Date : 1961

Metal Industry written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with Metal-work categories.

Handbook Of Psychology Assessment Psychology

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Author : John R. Graham
language : en
Publisher: John Wiley & Sons
Release Date : 2003-03-11

Handbook Of Psychology Assessment Psychology written by John R. Graham and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-03-11 with Psychology categories.

Includes established theories and cutting-edge developments. Presents the work of an international group of experts. Presents the nature, origin, implications, an future course of major unresolved issues in the area.

Infoworld

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Author :
language : en
Publisher:
Release Date : 1996-05-20

Infoworld written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996-05-20 with categories.

InfoWorld is targeted to Senior IT professionals. Content is segmented into Channels and Topic Centers. InfoWorld also celebrates people, companies, and projects.

Library Literature

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Author : H.W. Wilson Company
language : en
Publisher:
Release Date : 1997

Library Literature written by H.W. Wilson Company and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Bibliographical literature categories.

"An index to library and information science".