Differential Antennas

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Differential Antennas

Author : Yueping Zhang
Publisher : John Wiley & Sons
ISBN 13 : 1394273088
Total Pages : 357 pages
Book Rating : 4.3/5 (942 download)

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Book Synopsis Differential Antennas by : Yueping Zhang

Download or read book Differential Antennas written by Yueping Zhang and published by John Wiley & Sons. This book was released on 2024-08-20 with total page 357 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive introduction to the theory and practice of differential antennas The first antennas ever created were differential antennas, in the dipole and loop constructions, before the subsequent creation of the single-ended or monopole antenna. Dozens of antenna configurations have been invented since then, the vast bulk of them differential. The theory and design of differential antennas therefore has an impact on a huge range of fields which make use of electromagnetic waves, radar arrays, and more. Differential Antennas contains a thorough, comprehensive overview of these antennas, their theory, and their practical applications. It details the relationship between differential and single-ended antennas, which may act as tools for determining the properties of one when the other is known. This book offers an analysis of the role differential antennas play in wireless communication and sensing. Overall, it stands as an essential contribution to a key area of communications technology. Differential Antennas readers will also find: Tables and figures illustrating key data, antenna structures, and more Chapters covering topics including microstrip antennas, shorted patch antennas, grid array antennas, and other designs Detailed instructions for measuring antennas for characterization and specification purposes Differential Antennas is ideal for senior and graduate level students, researchers, and radio frequency engineers.

Antennas and Wireless Power Transfer Methods for Biomedical Applications

Author : Yongxin Guo
Publisher : John Wiley & Sons
ISBN 13 : 1119189934
Total Pages : 610 pages
Book Rating : 4.1/5 (191 download)

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Book Synopsis Antennas and Wireless Power Transfer Methods for Biomedical Applications by : Yongxin Guo

Download or read book Antennas and Wireless Power Transfer Methods for Biomedical Applications written by Yongxin Guo and published by John Wiley & Sons. This book was released on 2024-03-14 with total page 610 pages. Available in PDF, EPUB and Kindle. Book excerpt: Antennas and Wireless Power Transfer Methods for Biomedical Applications Join the cutting edge of biomedical technology with this essential reference The role of wireless communications in biomedical technology is a significant one. Wireless and antenna-driven communication between telemetry components now forms the basis of cardiac pacemakers and defibrillators, cochlear implants, glucose readers, and more. As wireless technology continues to advance and miniaturization progresses, it’s more essential than ever that biomedical research and development incorporate the latest technology. Antennas and Wireless Power Transfer Methods for Biomedical Applications provides a comprehensive introduction to wireless technology and its incorporation into the biomedical field. Beginning with an introduction to recent developments in antenna and wireless technology, it analyzes the major wireless systems currently available and their biomedical applications, actual and potential. The result is an essential guide to technologies that have already improved patient outcomes and increased life expectancies worldwide. Readers will also find: Authored by internationally renowned researchers of wireless technologies Detailed analysis of CP implantable antennas, wearable antennas, near-field wireless power, and more Up to 100 figures that supplement the text Antennas and Wireless Power Transfer Methods for Biomedical Applications is a valuable introduction for biomedical researchers and biomedical engineers, as well as for research and development professionals in the medical device industry.

Geo-Spatial Knowledge and Intelligence

Author : Hanning Yuan
Publisher : Springer
ISBN 13 : 9811308934
Total Pages : 708 pages
Book Rating : 4.8/5 (113 download)

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Book Synopsis Geo-Spatial Knowledge and Intelligence by : Hanning Yuan

Download or read book Geo-Spatial Knowledge and Intelligence written by Hanning Yuan and published by Springer. This book was released on 2018-06-12 with total page 708 pages. Available in PDF, EPUB and Kindle. Book excerpt: This two-volume set (CCIS 848 and CCIS 849) constitutes the thoroughly refereed proceedings of the 5th International Conference Geo-Spatial Knowledge and Intelligence, GSKI 2017, held in Chiang Mai, Thailand, in December 2018.The 142 full papers presented were carefully reviewed and selected from 579 submissions. They are organized in topical sections on smart city in resource management and sustainable ecosystem; spatial data acquisition through RS and GIS in resource management and sustainable ecosystem; ecological and environmental data processing and management; advanced geospatial model and analysis for understanding ecological and environmental process; applications of geo-informatics in resource management and sustainable ecosystem.

Ultra-Wideband, Short Pulse Electromagnetics 9

Author : Frank Sabath
Publisher : Springer Science & Business Media
ISBN 13 : 0387778454
Total Pages : 482 pages
Book Rating : 4.3/5 (877 download)

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Book Synopsis Ultra-Wideband, Short Pulse Electromagnetics 9 by : Frank Sabath

Download or read book Ultra-Wideband, Short Pulse Electromagnetics 9 written by Frank Sabath and published by Springer Science & Business Media. This book was released on 2010-06-17 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ultra-wideband (UWB), short-pulse (SP) electromagnetics are now being used for an increasingly wide variety of applications, including collision avoidance radar, concealed object detection, and communications. Notable progress in UWB and SP technologies has been achieved by investigations of their theoretical bases and improvements in solid-state manufacturing, computers, and digitizers. UWB radar systems are also being used for mine clearing, oil pipeline inspections, archeology, geology, and electronic effects testing. Ultra-wideband Short-Pulse Electromagnetics 9 presents selected papers of deep technical content and high scientific quality from the UWB-SP9 Conference, which was held from July 21-25, 2008, in Lausanne, Switzerland. The wide-ranging coverage includes contributions on electromagnetic theory, time-domain computational techniques, modeling techniques, antennas, pulsed-power, UWB interactions, radar systems, UWB communications, broadband systems and components. This book serves as a state-of-the-art reference for scientists and engineers working in these applications areas.

Microstrip and Printed Antennas

Author : Debatosh Guha
Publisher : John Wiley & Sons
ISBN 13 : 1119972981
Total Pages : 512 pages
Book Rating : 4.1/5 (199 download)

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Book Synopsis Microstrip and Printed Antennas by : Debatosh Guha

Download or read book Microstrip and Printed Antennas written by Debatosh Guha and published by John Wiley & Sons. This book was released on 2011-02-02 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Multifunctional Antennas and Arrays for Wireless Communication Systems

Author : Satish K. Sharma
Publisher : John Wiley & Sons
ISBN 13 : 1119535050
Total Pages : 466 pages
Book Rating : 4.1/5 (195 download)

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Book Synopsis Multifunctional Antennas and Arrays for Wireless Communication Systems by : Satish K. Sharma

Download or read book Multifunctional Antennas and Arrays for Wireless Communication Systems written by Satish K. Sharma and published by John Wiley & Sons. This book was released on 2021-05-04 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt: MULTIFUNCTIONAL ANTENNAS AND ARRAYS FOR WIRELESS COMMUNICATION SYSTEMS Offers an up-to-date discussion of multifunctional antennas and arrays for wireless communication systems Multifunctional Antennas and Arrays for Wireless Communication Systems is a comprehensive reference on state-of-the-art reconfigurable antennas and 4G/5G communication antennas. The book gives a unique perspective while giving a comprehensive overview of the following topics: Frequency reconfigurable antennas Pattern reconfigurable antennas Polarization reconfigurable antennas Reconfigurable antennas using Liquid Metal, Piezoelectric, and RF MEMS MIMO and 4G/5G wireless communication antennas Metamaterials and metasurfaces in reconfigurable antennas Multifunctional antennas for user equipments (UEs) Defense related antennas and applications Flat panel phased array antennas The book is a valuable resource for the practicing engineer as well as for those within the research field. As wireless communications continuously evolves, more and more functionally will be required, and thus multifunctional antennas and RF systems will be necessary. These multifunctional antennas will require a degree of reconfigurability, and this book discusses various methods which enable this. The main topics of frequency, pattern, and polarization reconfigurability is first discussed. Methods utilizing unique materials and devices, both real and artificial are discussed. The book also delves into 4G/5G antennas as it relates to MIMO, and millimeter-wave phased arrays. Finally, there is a section on defense related multifunctional RF antenna systems.

Geology, Geodynamics, and Atmospheric Electricity

Author : Vladimir Shuleikin
Publisher : Cambridge Scholars Publishing
ISBN 13 : 152754513X
Total Pages : 167 pages
Book Rating : 4.5/5 (275 download)

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Book Synopsis Geology, Geodynamics, and Atmospheric Electricity by : Vladimir Shuleikin

Download or read book Geology, Geodynamics, and Atmospheric Electricity written by Vladimir Shuleikin and published by Cambridge Scholars Publishing. This book was released on 2020-01-10 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bubbles of hydrogen and methane carry soil radon, the main ionizer of surface air, into the surface atmosphere. As a consequence of ionization, light ion pairs are formed that determine the polar conductivity of the surface air; light ions’ aggregation with neutral condensation nuclei gives heavy ions, primarily responsible for the atmospheric electric field. As such, the density of hydrogen and methane subvertical flows will determine local electrical characteristics of the surface atmospheric air. Geological heterogeneities, deformations, and seismic and hydrogeological activity can change the density of hydrogen and methane flows. This book brings together extensive material from field observations to illustrate the possible use of atmospheric-electrical monitoring to solve problems of applied geophysics.

Microstrip Antennas

Author : N Nasimuddin
Publisher : BoD – Books on Demand
ISBN 13 : 9533072474
Total Pages : 556 pages
Book Rating : 4.5/5 (33 download)

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Book Synopsis Microstrip Antennas by : N Nasimuddin

Download or read book Microstrip Antennas written by N Nasimuddin and published by BoD – Books on Demand. This book was released on 2011-04-04 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the last 40 years, the microstrip antenna has been developed for many communication systems such as radars, sensors, wireless, satellite, broadcasting, ultra-wideband, radio frequency identifications (RFIDs), reader devices etc. The progress in modern wireless communication systems has dramatically increased the demand for microstrip antennas. In this book some recent advances in microstrip antennas are presented.

Microwave RF Antennas and Circuits

Author : Ofer Aluf
Publisher : Springer
ISBN 13 : 3319454277
Total Pages : 1060 pages
Book Rating : 4.3/5 (194 download)

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Book Synopsis Microwave RF Antennas and Circuits by : Ofer Aluf

Download or read book Microwave RF Antennas and Circuits written by Ofer Aluf and published by Springer. This book was released on 2016-12-01 with total page 1060 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes a new concept for analyzing RF/microwave circuits, which includes RF/microwave antennas. The book is unique in its emphasis on practical and innovative microwave RF engineering applications. The analysis is based on nonlinear dynamics and chaos models and shows comprehensive benefits and results. All conceptual RF microwave circuits and antennas are innovative and can be broadly implemented in engineering applications. Given the dynamics of RF microwave circuits and antennas, they are suitable for use in a broad range of applications. The book presents analytical methods for microwave RF antennas and circuit analysis, concrete examples, and geometric examples. The analysis is developed systematically, starting with basic differential equations and their bifurcations, and subsequently moving on to fixed point analysis, limit cycles and their bifurcations. Engineering applications include microwave RF circuits and antennas in a variety of topological structures, RFID ICs and antennas, microstrips, circulators, cylindrical RF network antennas, Tunnel Diodes (TDs), bipolar transistors, field effect transistors (FETs), IMPATT amplifiers, Small Signal (SS) amplifiers, Bias-T circuits, PIN diode circuits, power amplifiers, oscillators, resonators, filters, N-turn antennas, dual spiral coil antennas, helix antennas, linear dipole and slot arrays, and hybrid translinear circuits. In each chapter, the concept is developed from the basic assumptions up to the final engineering outcomes. The scientific background is explained at basic and advanced levels and closely integrated with mathematical theory. The book also includes a wealth of examples, making it ideal for intermediate graduate level studies. It is aimed at electrical and electronic engineers, RF and microwave engineers, students and researchers in physics, and will also greatly benefit all engineers who have had no formal instruction in nonlinear dynamics, but who now desire to bridge the gap between innovative microwave RF circuits and antennas and advanced mathematical analysis methods.

Body Matched Antennas for Microwave Medical Applications

Author : Li, Xuyang
Publisher : KIT Scientific Publishing
ISBN 13 : 3731501473
Total Pages : 230 pages
Book Rating : 4.7/5 (315 download)

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Book Synopsis Body Matched Antennas for Microwave Medical Applications by : Li, Xuyang

Download or read book Body Matched Antennas for Microwave Medical Applications written by Li, Xuyang and published by KIT Scientific Publishing. This book was released on 2014-01-23 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this work, new concepts of body-matched antennas for microwave medical applications were developed, where the antennas are placed directly on or in the human body. Two types of antennas were designed - on-body matched antennas for diagnosis and implantable antennas for data telemetry with the main focus of miniaturization yet maintained a high radiation performance. The applicability of the antennas was verified using a medical imaging system for the detection of hemorrhagic stroke.

Principles in Noisy Optimization

Author : Pratyusha Rakshit
Publisher : Springer
ISBN 13 : 9811086427
Total Pages : 379 pages
Book Rating : 4.8/5 (11 download)

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Book Synopsis Principles in Noisy Optimization by : Pratyusha Rakshit

Download or read book Principles in Noisy Optimization written by Pratyusha Rakshit and published by Springer. This book was released on 2018-11-20 with total page 379 pages. Available in PDF, EPUB and Kindle. Book excerpt: Noisy optimization is a topic of growing interest for researchers working on mainstream optimization problems. Although several techniques for dealing with stochastic noise in optimization problems are covered in journals and conference proceedings, today there are virtually no books that approach noisy optimization from a layman’s perspective; this book remedies that gap. Beginning with the foundations of evolutionary optimization, the book subsequently explores the principles of noisy optimization in single and multi-objective settings, and presents detailed illustrations of the principles developed for application in real-world multi-agent coordination problems. Special emphasis is given to the design of intelligent algorithms for noisy optimization in real-time applications. The book is unique in terms of its content, writing style and above all its simplicity, which will appeal to readers with a broad range of backgrounds. The book is divided into 7 chapters, the first of which provides an introduction to Swarm and Evolutionary Optimization algorithms. Chapter 2 includes a thorough review of agent architectures for multi-agent coordination. In turn, Chapter 3 provides an extensive review of noisy optimization, while Chapter 4 addresses issues of noise handling in the context of single-objective optimization problems. An illustrative case study on multi-robot path-planning in the presence of measurement noise is also highlighted in this chapter. Chapter 5 deals with noisy multi-objective optimization and includes a case study on noisy multi-robot box-pushing. In Chapter 6, the authors examine the scope of various algorithms in noisy optimization problems. Lastly, Chapter 7 summarizes the main results obtained in the previous chapters and elaborates on the book’s potential with regard to real-world noisy optimization problems.

Modern Antenna Design

Author : Thomas A. Milligan
Publisher : John Wiley & Sons
ISBN 13 : 0471720607
Total Pages : 632 pages
Book Rating : 4.4/5 (717 download)

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Book Synopsis Modern Antenna Design by : Thomas A. Milligan

Download or read book Modern Antenna Design written by Thomas A. Milligan and published by John Wiley & Sons. This book was released on 2005-07-08 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt: A practical book written for engineers who design and use antennas The author has many years of hands on experience designing antennas that were used in such applications as the Venus and Mars missions of NASA The book covers all important topics of modern antenna design for communications Numerical methods will be included but only as much as are needed for practical applications

Handbook of Antennas for EMC, Second Edition

Author : Thereza M. MacNamara
Publisher : Artech House
ISBN 13 : 1630814261
Total Pages : 425 pages
Book Rating : 4.6/5 (38 download)

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Book Synopsis Handbook of Antennas for EMC, Second Edition by : Thereza M. MacNamara

Download or read book Handbook of Antennas for EMC, Second Edition written by Thereza M. MacNamara and published by Artech House. This book was released on 2018-09-30 with total page 425 pages. Available in PDF, EPUB and Kindle. Book excerpt: Finally - a completely revised, updated, and expanded edition of the Artech House classic, Handbook of Antennas for EMC. The second edition features a wealth of brand new material, including chapters on recent techniques, standards, and measurements. This invaluable resource provides a thorough understanding of the practical aspects and underpinnings of antennas in EMC systems. Professionals find summaries of important underlying mathematics without the heavy theoretical emphasis that characterizes much of the existing literature. Professionals discover which antennas to choose for electromagnetic (EM) compatibility and compliance. Moreover, this authoritative book offers a solid understanding of the main characteristics of an antenna in a qualitative manner. Essential reading for EMC engineers, this volume provides the knowledge needed to determine the right antenna for specific applications and offers guidance in conducting EMC testing.

Ultra-Wideband Antennas and Propagation

Author : Ben Allen
Publisher : John Wiley & Sons
ISBN 13 : 0470056827
Total Pages : 508 pages
Book Rating : 4.4/5 (7 download)

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Book Synopsis Ultra-Wideband Antennas and Propagation by : Ben Allen

Download or read book Ultra-Wideband Antennas and Propagation written by Ben Allen and published by John Wiley & Sons. This book was released on 2006-11-02 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt: Providing up-to-date material for UWB antennas and propagation as used in a wide variety of applications, "Ultra-wideband Antennas and Propagation for Communications, Radar and Imaging" includes fundamental theory, practical design information and extensive discussion of UWB applications from biomedical imaging, through to radar and wireless communications. An in-depth treatment of ultra-wideband signals in practical environments is given, including interference, coexistence and diversity considerations. The text includes antennas and propagation in biological media in addition to more conventional environments. The topics covered are approached with the aim of helping practising engineers to view the subject from a different angle, and to consider items as variables that were treated as constants in narrowband and wideband systems. Features tables of propagation data, photographs of antenna systems and graphs of results (e.g. radiation patterns, propagation characteristics) Covers the fundamentals of antennas and propagation, as well as offering an in-depth treatment of antenna elements and arrays for UWB systems, and UWB propagation models Provides a description of the underlying concepts for the design of antennas and arrays for conventional as well as ultra-wideband systems Draws together UWB theory by using case-studies to show applications of antennas and propagation in communication, radar and imaging systems The book highlights the unique design issues of using ultra-wideband and will serve both as an introductory text and a reference guide for designers and students alike.

Multi-Mode Resonant Antennas

Author : Wen-Jun Lu
Publisher : CRC Press
ISBN 13 : 1000593932
Total Pages : 309 pages
Book Rating : 4.0/5 (5 download)

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Book Synopsis Multi-Mode Resonant Antennas by : Wen-Jun Lu

Download or read book Multi-Mode Resonant Antennas written by Wen-Jun Lu and published by CRC Press. This book was released on 2022-05-18 with total page 309 pages. Available in PDF, EPUB and Kindle. Book excerpt: This title provides a unique theoretical framework for multi-mode resonant antennas and different approaches to their implementation, with an emphasis on mode gauge functionality, a new concept for a clear identification and flexible control of all usable resonant modes in multi-mode resonant antenna design. The book commences by advancing a generalized odd-even mode theory as a general theoretical framework for resonant elementary antennas, offering new insights into the classical problem of coupling effects between antenna and transmission lines and helping reveal the operation mechanism of elementary antennas under multi-mode resonance. Then, the concept of "mode gauge" is developed and employed for wideband elementary antenna design by simultaneously exciting and tuning multiple resonant modes within a single radiator. Apart from theoretical explorations, the authors also provide analysis of up-to-date implementation of multi-mode resonant elementary antennas with different functionalities, including wideband antennas, circularly polarized antennas, multiband antennas, frequency scanning antennas and low-profile antennas. Academics, students and professional engineers at all levels will greatly benefit from the book and will be provided with historical background, state-of-the-art methodology, useful design tools and multiple applications of multi-mode resonant antennas.

GPS/GNSS Antennas

Author : B. Rama Rao
Publisher : Artech House
ISBN 13 : 1596931507
Total Pages : 424 pages
Book Rating : 4.5/5 (969 download)

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Book Synopsis GPS/GNSS Antennas by : B. Rama Rao

Download or read book GPS/GNSS Antennas written by B. Rama Rao and published by Artech House. This book was released on 2013 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: This practical resource provides a current and comprehensive treatment of GPS/GNSS antennas, taking into account modernized systems and new and developing applications. The book presents a number of key applications, describing corresponding receiver architectures and antenna details. You find important discussions on antenna characteristics, including theory of operation, gain, bandwidth, polarization, phase center, mutual coupling effects, and integration with active components. Moreover, you get expert guidance on the design of adaptive arrays and signal processing techniques used to mitigate interference such as jamming. Addressing critical GNSS antenna high precision requirements, this in-depth book explains the relationships between antenna gain, satellite visibility, geometric dilution of precision, and the carrier-to-noise density ratio. The book delineates requirements for both dual-band and tri-band antennas. You get detailed coverage of a wide range of antenna designs, including microstrip patch, quadrafilar helix, axial mode helix, spiral, inverted L, and planar inverted F antennas. Moreover, you find a discussion on new magnetic metamaterialù substrates and other dielectric substrate materials. Further, this comprehensive book presents designs for very compact GNSS antennas for personal handheld devices and automobiles.

Radio Systems Engineering

Author : Steven W. Ellingson
Publisher : Cambridge University Press
ISBN 13 : 1316785165
Total Pages : 651 pages
Book Rating : 4.3/5 (167 download)

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Book Synopsis Radio Systems Engineering by : Steven W. Ellingson

Download or read book Radio Systems Engineering written by Steven W. Ellingson and published by Cambridge University Press. This book was released on 2016-10-06 with total page 651 pages. Available in PDF, EPUB and Kindle. Book excerpt: Using a systems framework, this textbook provides a clear and comprehensive introduction to the performance, analysis and design of radio systems for students and practising engineers. Presented within a consistent framework, the first part of the book describes the fundamentals of the subject: propagation, noise, antennas and modulation. The analysis and design of radios, including RF circuit design and signal processing, is covered in the second half of the book. The former is presented with minimal involvement of Smith charts, enabling students to grasp the fundamentals more readily. Both traditional and software-defined/direct sampling technology are described, with pros and cons of each strategy explained. Numerous examples within the text involve realistic analysis and design activities, and emphasize how practical experiences may differ from theory or taught procedures. End-of-chapter problems are provided, as are a password-protected solutions manual and lecture slides to complete the teaching package for instructors.