Electromagnetic Bandgap Ebg Structure Based Patch Antennas
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Electromagnetic Bandgap Ebg Structure Based Patch Antennas
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Author : Gnanam Gnanagurunathan
language : en
Publisher:
Release Date : 2012
Electromagnetic Bandgap Ebg Structure Based Patch Antennas written by Gnanam Gnanagurunathan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.
Microstrip patch antenna is used extensively in wireless and mobile applications due to its low-profile and lightweight. However, this antenna is prone to low gain, limited bandwidth and increased cross polarization levels. Electromagnetic Bandgap (EBG) structures are able to enhance the performance of this type of antenna. In this work, the performance of the patch antenna when integrated with EBG structure is investigated. A preliminary simulation study on the performance of a microstrip patch antenna integrated with Electromagnetic Bandgap (EBG) structures, indicated improvement in the radiation characteristics. First, the EBG characterization effort is undertaken. The bandgap of complementary and non-complementary form of five geometries are analyzed using the transmission line method. The analysis through simulation and measurement, show that complementary form sees a significant shift in the bandgap to lower frequencies and offer wider bandgap when compared to non-complementary form. Subsequently, gain performance of a square patch antenna when it is enclosed by complementary forms of either circular or square EBG cells are investigated. It emerges that the use of complementary EBG cells results in a comparatively better gain performance. The study includes a consideration of the groundplane size and the number of rows surrounding the patch, as these could affect the gain performance. This is followed by experimental measurements to substantiate the simulation outcome. Finally, the gain performance of a wideband antenna when it is configured with an EBG structure which functions as a reflector, also known as Artificial Magnetic Conductor (AMC) is investigated and reported. Four variations of the AMC structure are investigated i.e. a square cell backed by square cells (with and without vias) and square cells backed by a PEC (with and without vias). The properties of gain, impedance bandwidth and power patterns are measured and reported over the wideband frequencies of 3-10GHz.
Electromagnetic Band Gap Structures In Antenna Engineering
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Author : Fan Yang
language : en
Publisher: Cambridge University Press
Release Date : 2009
Electromagnetic Band Gap Structures In Antenna Engineering written by Fan Yang and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Technology & Engineering categories.
This book is a detailed account of electromagnetic band gap (EBG) theory, analysis and applications, ideal for researchers and engineers.
New Contributions In Information Systems And Technologies
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Author : Alvaro Rocha
language : en
Publisher: Springer
Release Date : 2015-03-16
New Contributions In Information Systems And Technologies written by Alvaro Rocha and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-03-16 with Technology & Engineering categories.
This book contains a selection of articles from The 2015 World Conference on Information Systems and Technologies (WorldCIST'15), held between the 1st and 3rd of April in Funchal, Madeira, Portugal, a global forum for researchers and practitioners to present and discuss recent results and innovations, current trends, professional experiences and challenges of modern Information Systems and Technologies research, technological development and applications. The main topics covered are: Information and Knowledge Management; Organizational Models and Information Systems; Intelligent and Decision Support Systems; Big Data Analytics and Applications; Software Systems, Architectures, Applications and Tools; Multimedia Systems and Applications; Computer Networks, Mobility and Pervasive Systems; Human-Computer Interaction; Health Informatics; Information Technologies in Education; Information Technologies in Radio communications.
Microstrip Patch Antennas A Designer S Guide
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Author : Rod Waterhouse
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-04-17
Microstrip Patch Antennas A Designer S Guide written by Rod Waterhouse and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-04-17 with Technology & Engineering categories.
Microstrip Patch Antennas: A Designer's Guide provides the reader with a current overview of where microstrip patch antenna technology is at, and useful information on how to design this form of radiator for their given application and scenario. The book describes the general properties and the many different forms of microstrip patch antennas, highlighting the advantages and disadvantages of each from a designer's prospective. The book outlines procedures on how to optimize antennas in terms of bandwidth, size, polarization control and radiation performance. Practical design cases are provided for each goal. Throughout the book, design philosophies are presented to ensure the best performance from the printed antenna is always achieved. Important performance trends are given, enabling the designer to understand what the most appropriate printed antenna solution exists for the problem at hand. Companies specializing in antenna development, using printed antennas in their systems and graduate students alike will find Microstrip Patch Antennas: A Designer's Guide is a useful tool.
Defected Ground Structure Dgs Based Antennas
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Author : Debatosh Guha
language : en
Publisher: John Wiley & Sons
Release Date : 2022-11-29
Defected Ground Structure Dgs Based Antennas written by Debatosh Guha 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 2022-11-29 with Technology & Engineering categories.
Defected Ground Structure (DGS) Based Antennas A unique exploration of critical topics in defected ground structures and their applications In Defected Ground Structure (DGS) Based Antennas: Design Physics, Engineering, and Applications, three distinguished authors deliver a comprehensive discussion of key topics related to defected ground structures (DGSs) and their applications to advanced antenna designs, including microstrips, arrays, dielectric resonators, PIFA, and printed monopoles. The book explores major advances in the technology that have occurred since 2006, as well as the fundamentals of the research in the subject. It also presents future possibilities for new researchers to assist in the development of new studies and technologies for practicing engineers and developers. Readers will discover: A thorough introduction to the concept and evolution of defected ground structure-based antennas In-depth examinations of defected ground structures for printed antenna feeds Comprehensive discussions of the use of defected ground structures to control unwanted modes under a microstrip patch for reducing cross-polarized radiation Enlightening descriptions of defected ground structures used to control mutual coupling in arrays and MIMO designs Perfect for students, researchers, and professionals with an interest in wireless communications, Defected Ground Structure (DGS) Based Antennas: Design Physics, Engineering, and Applications will also earn a place in the libraries of engineers and scientists working in space exploration and defense organizations.
Modern Small Antennas
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Author : Kyohei Fujimoto
language : en
Publisher: Cambridge University Press
Release Date : 2013
Modern Small Antennas written by Kyohei Fujimoto and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Reference categories.
If you are involved in designing and developing small antennas, this complete, cutting-edge guide covers everything you need to know. From fundamentals and basic theory to design optimization, evaluation, measurements and simulation techniques, all the essential information is included. You will also get many practical examples from a range of wireless systems, whilst a glossary is provided to bring you up to speed on the latest terminology. A wide variety of small antennas is covered, and design and practice steps are described for each type: electrically small, functionally small, physically constrained small and physically small. Whether you are a professional in industry, a researcher, or a graduate student, this is your essential guide to small antennas.
Microstrip Patch Antennas
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Author : Kai Fong Lee
language : en
Publisher: World Scientific
Release Date : 2011
Microstrip Patch Antennas written by Kai Fong Lee and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Technology & Engineering categories.
Microstrip patch antennas have become the favorite of antenna designers because of its versatility and advantages of planar profile, ease of fabrication, compatibility with integrated circuit technology, and conformability with a shaped surface. As there is currently an urgent need for graduate students and practicing engineers to gain an in-depth understanding of this subject, this book was written with this purpose in mind. The authors are IEEE Fellows who have made significant contributions to their fields of expertise. Professor K F Lee was the recipient of the 2009 John Kraus Antenna Award of the IEEE Antennas and Propagation Society.
Microstrip And Printed Antennas
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Author : Debatosh Guha
language : en
Publisher: John Wiley & Sons
Release Date : 2011-02-02
Microstrip And Printed Antennas written by Debatosh Guha 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 2011-02-02 with Technology & Engineering categories.
This book focuses on new techniques, analysis, applications and future trends of microstrip and printed antenna technologies, with particular emphasis to recent advances from the last decade Attention is given to fundamental concepts and techniques, their practical applications and the future scope of developments. Several topics, essayed as individual chapters include reconfigurable antenna, ultra-wideband (UWB) antenna, reflectarrays, antennas for RFID systems and also those for body area networks. Also included are antennas using metamaterials and defected ground structures (DGSs). Essential aspects including advanced design, analysis and optimization techniques based on the recent developments have also been addressed. Key Features: Addresses emerging hot topics of research and applications in microstrip and printed antennas Considers the fundamental concepts, techniques, applications and future scope of such technologies Discusses modern applications such as wireless base station to mobile handset, satellite earth station to airborne communication systems, radio frequency identification (RFID) to body area networks, etc. Contributions from highly regarded experts and pioneers from the US, Europe and Asia This book provides a reference for R&D researchers, professors, practicing engineers, and scientists working in these fields. Graduate students studying/working on related subjects will find this book as a comprehensive literature for understanding the present and future trends in microstrip and printed antennas.
Surface Electromagnetics
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Author : Fan Yang
language : en
Publisher: Cambridge University Press
Release Date : 2019-06-20
Surface Electromagnetics written by Fan Yang and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-06-20 with Science categories.
Provides systematic coverage of the theory, physics, functional designs, and engineering applications of advanced electromagnetic surfaces.
Rectangular Dielectric Resonator Antennas
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Author : Rajveer S. Yaduvanshi
language : en
Publisher: Springer
Release Date : 2015-09-24
Rectangular Dielectric Resonator Antennas written by Rajveer S. Yaduvanshi and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-09-24 with Technology & Engineering categories.
This book covers resonating modes inside device and gives insights into antenna design, impedance and radiation patterns. It discusses how higher-order modes generation and control impact bandwidth and antenna gain. The text covers new approaches in antenna design by investigation hybrid modes, H_Z and E_Z fields available simultaneously, and analysis and modelling on modes with practical applications in antenna design. The book will be prove useful to students, researchers and professionals alike.