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Antennas for Industrial and Medical Applications with Optimization Techniques for Wireless Communication

The text begins by covering the fundamental concepts and new advances in the field of antenna theory, antenna hardware, and propagation. It further explains the designing of metamaterials microstrip patch antennas for medical applications, photonic crystals of millimeter wave signals for 5G communications, dual-band miniaturized circular antennas for wireless networks, and ultra-thin compact flexible antennas for wearable applications.This book: Presents the design and development of S-shaped and T-shaped microstrip path antennas for industrial applications. Highlights the use of W-shaped and metamaterials microstrip patch antennas for medical applications. Covers photonic crystals of millimeter wave signals for 5G communications. Showcases the importance of compact and wideband slot antenna for wireless communications. Illustrates the design of an ultra-thin compact flexible antenna for wearable applications. It is primarily written for senior undergraduates, graduate students, and academic researchers in the fields of electrical engineering, electronics and communications engineering, antenna design, and microwave engineering.

Antennas: From Theory to Practice

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.

Antennas: From the Theory of Long Lines to Integral Equations

This book describes both known and new results. In the sections devoted to the use of integral equations for the current in a linear metal radiator, the focus is on Leontovich's equation. An advantage of this equation is the simplicity of the solution and the absence of the argument φ in it because the integration over φ already performed. The refined solution makes it possible to determine the total sum of the series for the current, which is close to the known solution including only the first terms. The results of the synthesis of different types of antennas with capacitive loads are presented, which makes it possible to implement Hallen's hypothesis about the usefulness of applying such loads to create an in-phase current distribution in antennas and to obtain required characteristics.New results include the widespread use of the complex potential method in relation to the calculation of capacitive structures in homogeneous and inhomogeneous media, antenna patterns and flows of electrical fields between antenna elements and in the surrounding space. In particular, the analysis of field flows makes it possible to substantiate a rigorous method for analyzing microstrip antennas. The characteristics of antennas in various conditions of their installation are considered and compared. The results of the use of multi-floors structures that provide in the wide frequency range the radiation in direction perpendicular to the antenna axis, and structures that make it possible to reduce the mutual influence of antennas located at different heights on a common mast are described.

Antennas: Rigorous Methods of Analysis and Synthesis

The book comprises a new method of solving the integral equation of Leontovich, the most rigorous and most effective equation for the current in thin linear antennas. The book describes the features of the new method in its application in various types of antennas. It considers new ways of analyzing antennas, in particular in the calculation of an antenna gain based on main radiation patterns and the calculation of the directional characteristics of radiators with known distribution of current amplitude. The method of electrostatic analogy proposed by the author, provides the base for comparison of electromagnetic fields of high-frequency currents and electrostatic charges located on linear conductors to improve the directional characteristics of log-periodic and director-type antennas. A new approach to the analysis of the electrical characteristics of a microstrip antenna, which allows expansion of its operation range, is substantiated and developed. New results of antenna synthesis are obtained. The second part of the book is devoted to specific types of antennas (the author had a significant role in their creation). Particular attention is given to ship antennas for different frequency ranges. The book is intended for professionals, working in electrodynamics and those working on development, placement and exploitation of antennas. It will be useful for lecturers (university-level professors), teachers, students of radio engineering and researchers working in various fields of radio electronics and interested in an in-depth study of theoretical problems and designs f antennas. It can also be used for short university courses.

Anterior Cruciate Ligament Injuries Throughout the Life Span

This book uniquely addresses anterior cruciate ligament (ACL) injury – one of the leading issues in orthopedic sports medicine – throughout the lifespan, with a focus on differences depending on age and activity levels.It provides readers with fundamental knowledge, such as anatomy histology and biomechanics, as well as with diagnostic criteria specific for each age group and activity level – from pediatrics through adolescents to adults and high-level athletes. Furthermore, international experts present diverse prevention and injury management criteria as well as state-of-the-art surgical techniques based on the expectations of each age and lifestyle group. Designed to be an easy-to-read reference guide, this book presents fundamental concepts in the management of ACL injuries. It appeals to a broad readership ranging from orthopedic surgeons, residents and sports physicians to athletic trainers and all professionals involved in rehabilitation following ACL injuries.

Anterior Cruciate Ligament Reconstruction: A Practical Surgical Guide

This practical and instructional guidebook, written by international experts in anterior cruciate ligament (ACL) reconstruction, covers all challenging aspects of ACL rupture in the acute and chronic setting. It covers the latest, spectacular anatomical findings, treatment of partial ACL tears, various techniques for single- and double-bundle ACL reconstruction, and complex ACL revision surgery. Important surgical steps are clearly described with the help of instructive, high-quality photographs. Important tips, tricks, and pitfalls are highlighted and intra- and postoperative complications, rehabilitation, and prevention of re-rupture are discussed. All authors are prominent and experienced ACL surgeons.

Anterior Hip Replacement: From Origin to Current Advanced Techniques

Anterior hip replacement is a surgical approach that has dramatically changed the landscape of modern hip replacement. The approach is common to orthopedic trauma surgery, but it has been rapidly adopted in recent years for hip replacement as well. Its proposed benefits as a muscle-sparing surgery include less tissue trauma, faster recovery, and fewer hip precautions. While the technique can be challenging during initial learning and early adoption, the approach continues to increase in utilization in the U.S. every year because of these benefits. Understanding the initial development of the anterior surgical approach for hip replacement creates the foundation to better understand its modern clinical benefits and possibilities with advanced techniques. Furthermore, a detailed description of the reasoning behind the continued developments of the anterior approach helps in understanding the key elements needed to obtain the most successful outcomes.With the continued adoption of this technically challenging technique, there is a need for a comprehensive resource for newly adopting surgeons and surgeons in training, but also for experienced surgeons looking to enhance their skill sets. Written by experts in the field, this book presents the tips and tricks learned after years of experience by a wide spectrum of surgeons. Parts 1 and 2 describe the origin and background of the anterior approach for hip replacement, with early lessons learned, important tips when training others, and how to master the operating table and c-arm. Parts 3 and 4 cover hip biomechanics and variations on techniques and technologies, respectively, while part 5 is a unique compilation of surgeons' perspectives on managing common aspects of the approach. Revision surgery is described in part 6, and future directions for the technique are discussed in part 7, along with emerging navigation and technologies.Every year, there is an increasing number of orthopedic surgeons learning and adopting the anterior hip approach who would benefit from the resources in this book, which will serve as a critical learning tool for training surgeons and also as the go-to reference for optimizing current use and advancing future possibilities of the approach.

Anterior Knee Pain and Patellar Instability

A multitude of leading international authorities provide fresh insights and approaches for patient evaluation and treatment of Anterior knee pain syndrome and patellofemoral instability. Included are new chapters featuring clinical cases and detailed descriptions of the most important surgical techniques used for the knee extensor mechanism, each being described by the surgeon who developed it. The book is divided in four sections, the first section focuses on the etiopathogenic bases, the second section focuses on emerging technologies, the third section includes difficult clinical cases studied, and the fourth section provides a description of the most important surgical techniques for the knee extensor mechanism.

Anterior Knee Pain and Patellar Instability

This textbook provides an authoritative reference on one of the most problematic entities in the pathology of the knee. Throughout the text, esteemed international experts highlight their clinical insights for ensuring optimal non-surgical and surgical outcomes when treating anterior knee pain and patellar instability. The chapters are revised with the latest updates and new chapters are featured focusing upon robotic-assisted patellofemoral replacement, predictive diagnostic models in anterior knee pain patients based on artificial intelligence, brain network functional connectivity in anterior knee pain patients, and many other hot topics in the field. Anterior Knee Pain and Patellar Instability, 3rd Edition is an essential, multi-disciplinary textbook for all levels of orthopedic surgeons, physiotherapists, radiologists, biologists, pathologists, and bioengineers, who wish to learn more about this complex pathology that affects both young and older patients.

Anterior Segment Optical Coherence Tomography

High-speed anterior segment optical coherence tomography (OCT) offers a non-contact method for high resolution cross-sectional and three-dimensional imaging of the cornea and the anterior segment of the eye. As the first text completely devoted to this topic, Anterior Segment Optical Coherence Tomography comprehensively explains both the scientific principles and the clinical applications of this exciting and advancing technology.Anterior Segment Optical Coherence Tomography enhances surgical planning and postoperative care for a variety of anterior segment applications by expertly explaining how abnormalities in the anterior chamber angle, cornea, iris, and lens can be identified and evaluated using the Visante OCT™.Inside Anterior Segment Optical Coherence Tomography, Dr. Roger Steinert and Dr. David Huang, along with 22 of the field's leading professionals, provide a wealth of useful clinical and physiological material about this new diagnostic imaging technique. Valuable images are included to assist in the pre- and postoperative assessment of various anterior segment disorders. Additionally, this unique resource contains detailed information on biometric measurements to enhance diagnostic capability.On the leading edge of anterior segment imaging: Mapping of corneal thickness and keratoconus evaluation Measurement of LASIK flap and stromal bed thickness Visualization and measurement of anterior chamber angle and diagnosis of narrow angle glaucoma Measuring the dimensions of the anterior chamber and assessing the fit of intraocular lens implants Visualizing and measuring the results of corneal implants and lamellar procedures Imaging through corneal opacity to see internal eye structures With the increase in popularity of anterior chamber imaging, and anterior segment OCT proving to be the best tool for high resolution biometry, Anterior Segment Optical Coherence Tomography is a must-have for anterior segment, refractive, cornea, and glaucoma surgeons.

Anterolateral Rotatory Instability in ACL Deficient Knee

This book comprehensively discusses anterolateral rotatory instability in the ACL deficient knee, exploring anatomy, biomechanics, diagnostics, clinics, surgical techniques as well as short and long term outcomes. The author also offers an historical perspective ranging from the birth of modern anterior cruciate ligament surgery to the renewed global interest towards the role of secondary restraints and extra-articular reconstructions. Step-by-step guidance throughout each surgical technique further equips the reader to handle this complex condition. Covering all theoretical and practical aspects, as well as future perspectives, this book is a must-read for all orthopedic surgeons and sports physicians wanting to gain insights into this promising field.

Anterooms

Poetry lovers and critics will rejoice at the news of this collection from Richard Wilbur, the legendary poet and translator who was called "a hero to a new generation of critics" by the New York Times Book Review, and whose work continues to be masterful, accomplished, whimsical, fresh, and important.A yellow-striped, green measuring worm opens Anterooms, a collection filled with poems that are classic Wilbur, that play with myth and form and examine the human condition through reflections on nature and love. Anterooms also features masterly translations from Mallarmé's "The Tomb of Edgar Allan Poe," a previously unpublished Verlaine poem, two poems by Joseph Brodsky, and thirty-seven of Symphosius's clever Latin riddles.Whether he is considering a snow shovel and domestic life or playfully considering that "Inside homeowner is the word meow," Wilbur's new collection is sure to delight everyone from longtime devotees to casual poetry readers. Exploring the interplay between the everyday and the mythic, the sobering and the lighthearted, Anterooms is nothing less than an event in poetic history and a remarkable addition to a master's oeuvre.

Anteros: A Forgotten Myth

Anteros: A Forgotten Myth explores how the myth of Anteros disappears and reappears throughout the centuries, from classical Athens to the present day, and looks at how the myth challenges the work of Freud, Lacan, and Jung, among others. It examines the successive cultural experiences that formed and inform the myth and also how the myth sheds light on individual human experience and the psychoanalytic process. Topics of discussion include: Anteros in the Italian Renaissance, the French Enlightenment and English Modernism psychologizing Anteros: Freud, Lacan, Girard, and Jung three anterotic moments in a consulting room. This book presents an important argument at the boundaries of the disciplines of analytical psychology, psychoanalysis, art history, and mythology. It will therefore be essential reading for all analytical psychologists and psychoanalysts as well as art historians and those with an interest in the meeting of psychoanalytic thought and mythology.

Antes de ser libres

Now available in Spanish, the book Horn Book called "a realistic and compelling account of a girl growing up too quickly while coming to terms with the cost of freedom." I wonder what it would be like to be free? Not to need wings because you don't have to fly away from your country?From award-winning author Julia Alvarez comes the story of Anita de la Torre, a 12-year-old girl living in the Dominican Republic in 1960. Most of her relatives have immigrated to the United States, her Tío Toni has disappeared, Papi has been getting mysterious phone calls about butterflies and someone named Mr. Smith, and the secret police have started terrorizing her family for their suspected opposition to the country's dictator. While Anita deals with a frightening series of events, she also struggles with her adolescence and her own personal flight to be free.From the Paperback edition.

Anthea: New Love, New Hope Follow the Dark Storms of a Young Woman's Life

For Anthea Gordon, life went along in a tranquil, unhurried manner as she devotedly worked with her father at his plan nursery in the rural English countryside. Everyone expected that she and her childhood sweetheart, Mark Latham, would someday marry. After all, they had always been together.But suddenly Anthea&’s world was shattered, and absolutely nothing turned out as expected. Faced with the prospect of establishing a new life for herself, Anthea wondered where she would find work and where she would live. And especially, she wondered if calm could ever be found in the midst of the chaos surrounding her.

Anthea: New Love, New Hope Follow the Dark Storms of a Young Woman's Life

For Anthea Gordon, life went along in a tranquil, unhurried manner as she devotedly worked with her father at his plan nursery in the rural English countryside. Everyone expected that she and her childhood sweetheart, Mark Latham, would someday marry. After all, they had always been together.But suddenly Anthea&’s world was shattered, and absolutely nothing turned out as expected. Faced with the prospect of establishing a new life for herself, Anthea wondered where she would find work and where she would live. And especially, she wondered if calm could ever be found in the midst of the chaos surrounding her.

Anthem

Anthem

Ayn Rand's searing portrait of a dystopian future in which all ego has been erased In a world where science and learning are banned and the simple utterance of the Unspeakable Word, I, is punishable by death, a man named Equality 7-2521 struggles with his unquenchable desire to investigate, to think, to know. His instincts are a "curse" that threatens to bring him to the attention of a government dedicated to the elimination of the self. But Equality 7-2521 cannot ignore his true nature, just as he cannot ignore the fruits of his curiosity: the discovery of the mysterious "power of the sky. " His great awakening--in heart, mind, and soul--represents the inevitable triumph of the individual over the collective. A riveting, thought-provoking parable based on the author's experience of life in a socialist state, Anthem serves as an invaluable introduction to Ayn Rand, her fiction, and her philosophy.

Anthem

He lived in the dark ages of the future. In a loveless world, he dared to fall in love. In an age that had lost all trace of science and civilization, he had the courage to seek and find knowledge. But these were not the crimes for which he would be hunted. He was marked for death because he had committed the unpardonable sin: standing out from the mindless human herd. Ayn Rand's classic tale of a dystopian future of the great "We"--a world that deprives individuals of a name or independence--anticipates her later masterpieces, The Fountainhead and Atlas Shrugged. This seventy-fifth anniversary edition of Anthem, celebrating the controversial and enduring legacy of its author, features an introduction by Rand's literary executor, Leonard Piekoff, which includes excerpts from documents by Ayn Rand--letters, interviews, and journal notes in which she discusses Anthem. This volume also includes a complete reproduction of the original British edition with Ayn Rand's handwritten editorial changes and a Reader's Guide to her writings and philosophy.In Ayn Rand's novels you have found more than great works of art--you have found a philosophy of reason. "I had to originate a philosophical framework of my own, because my basic view of man and of existence was in conflict with most of the existing philosophical theories. In order to define, explain, and present my concept of man, I had to become a philosopher in the specific meaning of the term."--Ayn Rand Now available for further reading on Rand's philosophy: Objective Communication by Leonard Piekoff. Ayn Rand's philosophy of Objectivism is increasingly influencing the shape of the world from business to politics to achieving personal goals. In Objective Communication, Peikoff explains how you can communicate philosophical ideas with conviction, logic, and, most of all, reason. Also available from Penguin: an enhanced edition/app of Atlas Shrugged.

Anthem

Anthem is a dystopian science fiction novella by Ayn Rand. Mankind has entered a new dark age as a result of the evils of irrationality and collectivism and the weaknesses of socialistic thinking and economics. Individuality and ambition have become sins. Technological advancement is now carefully planned (when it is allowed to occur at all). Here is the story of one man willing to risk everything to rebel against a society that refuses to believe in the power or rights of the individual.

Anthem

Ayn Rand's classic tale of a dystopian future of the great "We"--a world that deprives individuals of a name or independence--that anticipates her later masterpieces, The Fountainhead and Atlas Shrugged.He lived in the dark ages of the future. In a loveless world, he dared to fall in love. In an age that had lost all trace of science and civilization, he had the courage to seek and find knowledge. But these were not the crimes for which he would be hunted. He was marked for death because he had committed the unpardonable sin: standing out from the mindless human herd. This seventy-fifth anniversary edition of Anthem, celebrating the controversial and enduring legacy of its author, features an introduction by Rand's literary executor, Leonard Piekoff, which includes excerpts from documents by Ayn Rand--letters, interviews, and journal notes in which she discusses Anthem. This volume also includes a complete reproduction of the original British edition with Ayn Rand's handwritten editorial changes and a Reader's Guide to her writings and philosophy.From the Paperback edition.

Anthem

Hailed by The New York Times as "a compelling dystopian look at paranoia from one of the most unique and perceptive writers of our time," this brief, captivating novel offers a cautionary tale. The story unfolds within a society in which all traces of individualism have been eliminated from every aspect of life — use of the word "I" is a capital offense. The hero, a rebel who discovers that man's greatest moral duty is the pursuit of his own happiness, embodies the values the author embraced in her personal philosophy of objectivism: reason, ethics, volition, and individualism.Anthem anticipates the themes Ayn Rand explored in her later masterpieces, The Fountainhead and Atlas Shrugged. Publisher's Weekly acclaimed it as "a diamond in the rough, often dwarfed by the superstar company it keeps with the author's more popular work, but every bit as gripping, daring, and powerful."

Anthem

Anthem, which was written during a break from the writing of the author’s next major novel, The Fountainhead, presents a vision of a dystopian future world in which totalitarian collectivism has triumphed to such an extent that even the word ‘I’ has been forgotten and replaced with ‘we’.The story takes place at an unspecified future date when mankind has entered another Dark Age. Technological advancement is now carefully planned and the concept of individuality has been eliminated. A young man known as Equality 7-2521 rebels by doing secret scientific research. When his activity is discovered, he flees into the wilderness with the girl he loves. Together they plan to establish a new society based on rediscovered individualism.This is the revised version published in 1946, which went on to sell more than 3.5 million copies.

Anthem

Winner of the 2000 Canadian Authors Association Award for Poetry and shortlisted for the 2000 Pat Lowther Award and the 2001 Milton Acorn Memorial People’s Poetry Prize Physical and fiercely lyric, Helen Humphreys' Anthem is a litany of want. A song of poverty and of desire, of the reach forward and the relentless backward glance. With stark images and subtle, tensile strength, her poems touch that rare interval between presence and absence, echo and answer, between wall and window and sky -- that gap in which we live, the space words make.

Anthem

'Truly an epic adventure' - Booklist'Hawley makes this sing by combining the social commentary of a Margaret Atwood novel with the horrors of a Stephen King book' - Publishers WeeklyFrom the visionary bestselling author of Before the Fall and The Good Father, an epic literary thriller set where America is right now . . . and the world will be tomorrow.America spins into chaos as the last remnants of political consensus break apart. Against a background of environmental disaster and opioid addiction, debate descends into violence and militias roam the streets - while teenagers across the world seem driven to self-destruction, communicating by memes only they can understand.Yet the markets still tick up and the super-rich, like Ty Oliver, fly above the flames in private jets.After the death of his daughter, Ty dispatches his son Simon to an Anxiety Abatement Center. There he encounters another boy called the Prophet. And the Prophet wants him to join a quest.Before long, Simon is on the road with a crew of new comrades on a rescue mission as urgent as it is enigmatic. Suddenly heroes of their own story, they are crossing the country in search of a young woman held in a billionaire's retreat - and, just possibly, the only hope of escape from the apocalypse bequeathed to them by their parents' generation.Noah Hawley's epic literary thriller, full of unforgettably vivid characters, finds unquenchable lights in the darkest corners. Uncannily topical and yet as timeless as a Grimm's fairy tale, this is a novel of excoriating power, raw emotion and narrative verve, confirming Hawley as one of the most essential writers of our time.* * *PRAISE FOR NOAH HAWLEY:'He has an intuitive understanding of human behaviour and an instinctive grasp of plot that make him a master storyteller'Guardian'An addictive thriller whose thematic richness is reminiscent of Franzen'The Sunday Times'Hawley's sublime prose glows on every page'Daily Mail'A thriller of masterful precision'Independent'High-class entertainment' Mail on Sunday'One of the year's best suspense novels'New York Times