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Books > Professional & Technical > Electronics & communications engineering > Communications engineering / telecommunications

Codes, Curves, and Signals - Common Threads in Communications (Hardcover, 1998 ed.): Alexander Vardy Codes, Curves, and Signals - Common Threads in Communications (Hardcover, 1998 ed.)
Alexander Vardy
R4,457 Discovery Miles 44 570 Ships in 12 - 17 working days

Codes, Curves, and Signals: Common Threads in Communications is a collection of seventeen contributions from leading researchers in communications. The book provides a representative cross-section of cutting edge contemporary research in the fields of algebraic curves and the associated decoding algorithms, the use of signal processing techniques in coding theory, and the application of information-theoretic methods in communications and signal processing. The book is organized into three parts: Curves and Codes, Codes and Signals, and Signals and Information. Codes, Curves, and Signals: Common Threads in Communications is a tribute to the broad and profound influence of Richard E. Blahut on the fields of algebraic coding, information theory, and digital signal processing. All the contributors have individually and collectively dedicated their work to R. E. Blahut. Codes, Curves, and Signals: Common Threads in Communications is an excellent reference for researchers and professionals.

Cellular Image Classification (Hardcover, 1st ed. 2017): Xiang Xu, Xingkun Wu, Feng Lin Cellular Image Classification (Hardcover, 1st ed. 2017)
Xiang Xu, Xingkun Wu, Feng Lin
R3,305 Discovery Miles 33 050 Ships in 12 - 17 working days

This book introduces new techniques for cellular image feature extraction, pattern recognition and classification. The authors use the antinuclear antibodies (ANAs) in patient serum as the subjects and the Indirect Immunofluorescence (IIF) technique as the imaging protocol to illustrate the applications of the described methods. Throughout the book, the authors provide evaluations for the proposed methods on two publicly available human epithelial (HEp-2) cell datasets: ICPR2012 dataset from the ICPR'12 HEp-2 cell classification contest and ICIP2013 training dataset from the ICIP'13 Competition on cells classification by fluorescent image analysis. First, the reading of imaging results is significantly influenced by one's qualification and reading systems, causing high intra- and inter-laboratory variance. The authors present a low-order LP21 fiber mode for optical single cell manipulation and imaging staining patterns of HEp-2 cells. A focused four-lobed mode distribution is stable and effective in optical tweezer applications, including selective cell pick-up, pairing, grouping or separation, as well as rotation of cell dimers and clusters. Both translational dragging force and rotational torque in the experiments are in good accordance with the theoretical model. With a simple all-fiber configuration, and low peak irradiation to targeted cells, instrumentation of this optical chuck technology will provide a powerful tool in the ANA-IIF laboratories. Chapters focus on the optical, mechanical and computing systems for the clinical trials. Computer programs for GUI and control of the optical tweezers are also discussed. to more discriminative local distance vector by searching for local neighbors of the local feature in the class-specific manifolds. Encoding and pooling the local distance vectors leads to salient image representation. Combined with the traditional coding methods, this method achieves higher classification accuracy. Then, a rotation invariant textural feature of Pairwise Local Ternary Patterns with Spatial Rotation Invariant (PLTP-SRI) is examined. It is invariant to image rotations, meanwhile it is robust to noise and weak illumination. By adding spatial pyramid structure, this method captures spatial layout information. While the proposed PLTP-SRI feature extracts local feature, the BoW framework builds a global image representation. It is reasonable to combine them together to achieve impressive classification performance, as the combined feature takes the advantages of the two kinds of features in different aspects. Finally, the authors design a Co-occurrence Differential Texton (CoDT) feature to represent the local image patches of HEp-2 cells. The CoDT feature reduces the information loss by ignoring the quantization while it utilizes the spatial relations among the differential micro-texton feature. Thus it can increase the discriminative power. A generative model adaptively characterizes the CoDT feature space of the training data. Furthermore, exploiting a discriminant representation allows for HEp-2 cell images based on the adaptive partitioned feature space. Therefore, the resulting representation is adapted to the classification task. By cooperating with linear Support Vector Machine (SVM) classifier, this framework can exploit the advantages of both generative and discriminative approaches for cellular image classification. The book is written for those researchers who would like to develop their own programs, and the working MatLab codes are included for all the important algorithms presented. It can also be used as a reference book for graduate students and senior undergraduates in the area of biomedical imaging, image feature extraction, pattern recognition and classification. Academics, researchers, and professional will find this to be an exceptional resource.

Radar System Design and Analysis (Hardcover): S.A. Hovanessian Radar System Design and Analysis (Hardcover)
S.A. Hovanessian
R3,826 Discovery Miles 38 260 Ships in 10 - 15 working days
Foundations of Web Technology (Hardcover, 2002 ed.): Ramesh R. Sarukkai Foundations of Web Technology (Hardcover, 2002 ed.)
Ramesh R. Sarukkai
R4,464 Discovery Miles 44 640 Ships in 12 - 17 working days

Over the last few years, Web technology has grown so rapidly that it is hard for interested readers to learn and keep up with the techniques. It would be extremely useful to have a single book that collectively describes not only the underlying areas from which internet technology derives its solutions, but also details the specific solutions to important applications on the World Wide Web. Foundations of Web Technology covers the basics of Web technology while being specialized enough to add value to experienced professionals working in this field. Most books on the Web focus on programmatic aspects of languages such as Java, JavaScript, or description of standards such as Hypertext Markup Language (HTML) or Wireless Markup Language (WML). A book that covers the concepts behind the infrastructure of the Web would be indispensable to a wide range of audiences interested in learning how the Web works, how techniques in Web technology can be applied to their own problem, and what the emergent technological trends in these areas are.
Foundations of Web Technology ranges from fundamental areas such as information retrieval and data markup to applications such as web search, instant messaging, mobile access and web services. It assimilates the different technologies that make up the foundation of Web technology. After reading this book, one will be able to grasp the fundamental techniques that power the Web and be able to apply them practically towards building internet applications, in addition to gaining deep insight into the latest research in this relatively new field. Foundations of Web Technology will be useful for a number of years to come since Web technology has matured considerably, and the concepts discussed in this book will continue to be applied universally.
Foundations of Web Technology is designed to meet the needs of practitioners and researchers in industry, and as a secondary text for upper undergraduate and graduate students in Computer Science and Engineering.

Analytic Methods of Sound Field Synthesis (Hardcover, 2012 ed.): Jens Ahrens Analytic Methods of Sound Field Synthesis (Hardcover, 2012 ed.)
Jens Ahrens
R4,631 Discovery Miles 46 310 Ships in 10 - 15 working days

This book puts the focus on serving human listeners in the sound field synthesis although the approach can be also exploited in other applications such as underwater acoustics or ultrasonics. The author derives a fundamental formulation based on standard integral equations and the single-layer potential approach is identified as a useful tool in order to derive a general solution. He also proposes extensions to the single-layer potential approach which allow for a derivation of explicit solutions for circular, planar, and linear distributions of secondary sources. Based on above described formulation it is shown that the two established analytical approaches of Wave Field Synthesis and Near-field Compensated Higher Order Ambisonics constitute specific solutions to the general problem which are covered by the single-layer potential solution and its extensions.

Concepts, Applications, Experimentation and Analysis of Wireless Sensor Networks (Hardcover, 2nd ed. 2021): Hossam Mahmoud... Concepts, Applications, Experimentation and Analysis of Wireless Sensor Networks (Hardcover, 2nd ed. 2021)
Hossam Mahmoud Ahmad Fahmy
R3,470 Discovery Miles 34 700 Ships in 12 - 17 working days

The new edition of this popular book has been transformed into a hands-on textbook, focusing on the principles of wireless sensor networks (WSNs), their applications, their protocols and standards, and their analysis and test tools; a meticulous care has been accorded to the definitions and terminology. To make WSNs felt and seen, the adopted technologies as well as their manufacturers are presented in detail. In introductory computer networking books, chapters sequencing follows the bottom up or top down architecture of the seven layers protocol. This book starts some steps later, with chapters ordered based on a topic's significance to the elaboration of wireless sensor networks (WSNs) concepts and issues. With such a depth, this book is intended for a wide audience, it is meant to be a helper and motivator, for both the senior undergraduates, postgraduates, researchers, and practitioners; concepts and WSNs related applications are laid out, research and practical issues are backed by appropriate literature, and new trends are put under focus. For senior undergraduate students, it familiarizes readers with conceptual foundations, applications, and practical project implementations. For graduate students and researchers, transport layer protocols and cross-layering protocols are presented and testbeds and simulators provide a must follow emphasis on the analysis methods and tools for WSNs. For practitioners, besides applications and deployment, the manufacturers and components of WSNs at several platforms and testbeds are fully explored.

Integrated Services Digital Networks (Hardcover): A.M. Rutkowski Integrated Services Digital Networks (Hardcover)
A.M. Rutkowski
R3,651 Discovery Miles 36 510 Ships in 10 - 15 working days
Broadband Fixed Wireless Access - A System Perspective (Hardcover, 2006 ed.): Marc Engels, Frederik Petre Broadband Fixed Wireless Access - A System Perspective (Hardcover, 2006 ed.)
Marc Engels, Frederik Petre
R3,004 Discovery Miles 30 040 Ships in 10 - 15 working days

Broadband Fixed Wireless Access provides a systematic overview of the emerging WiMAX technology, and much of the material is based on the practical experiences of the authors in building new systems. This material will be of significant interest to network architects and developers of broadband fixed wireless access products. With the advent of the IEEE 802.16 standard (has the standard or any part of it been adopted or is likely to be adopted soon) and next generation equipment, this technology has been growing in interest. The authors discuss applications at microwave frequencies between 2 and 11 GHz that could be attractive options for operators without an existing access infrastructure for reaching end users. This introductory volume demystifies the technology and provides technical exposure to the various system trade-offs. Additionally, the book features the following highlights: detailed modeling of broadband fixed wireless access propagation channel, including new measurements for its time variation; an extensive overview of the IEEE 802.1 discussion of the suitability of various multi-antenna techniques; and elaboration of various techniques, i.e. autodirecting antennas, bridging with WLAN, and multi-hop networking, that can be used to reduce the cost of ownership of a WiMAX network for an operator. The authors cover a wide range of topics, from network deployment to implementation of terminals. Wireless professionals will gain a head start from the information on WiMAX technology. This is a must read book when starting with broadband fixed wireless access.

Energy Scavenging for Wireless Sensor Networks - with Special Focus on Vibrations (Hardcover, 2004 ed.): Shad Roundy, Paul... Energy Scavenging for Wireless Sensor Networks - with Special Focus on Vibrations (Hardcover, 2004 ed.)
Shad Roundy, Paul Kenneth Wright, Jan M Rabaey
R5,710 Discovery Miles 57 100 Ships in 10 - 15 working days

The vast reduction in size and power consumption of CMOS circuitry has led to a large research effort based around the vision of ubiquitous networks of wireless communication nodes. The wireless devices are usually designed to run on batteries. However, as the networks increase in number and the devices decrease in size, the replacement of depleted batteries is not practical. Furthermore, a battery that is large enough to last the lifetime of the device would dominate the overall system size, and thus is not very attractive. There is clearly a need to explore alternative methods of powering these small communication nodes. This book, therefore, focuses on potential "ambient" sources of power that can be scavenged or harvested and subsequently used to run low power electronics and wireless transceivers.
A wide range of potential power sources are briefly explored. Based on a comparison of these many potential sources, commonly occurring vibrations was chosen as an attractive, and little explored, power source. Models for different types of power converters using both electrostatic and piezoelectric conversion mechanisms have been developed. The models have been validated by testing prototypes driven at vibrations similar to those found in many industrial and commercial building environments. Finally, integration of a piezoelectric generator, power circuit, and custom design radio transceiver is demonstrated.
Power sources are becoming a bottleneck to the widespread deployment of wireless sensor networks. This work reviews many potential alternative sources of ambient power that can be scavenged. Vibration to electricity converters are explored in great detail, and based onstudies and experiments, are shown to be an attractive power source in many applications.
Energy Scavenging for Wireless Sensor Networks with Special Focus on Vibrations will be of interest to researchers and professionals in the areas of wireless electronics, smart structures and MEMS as well as power electronics.

Digital Telephony and Network Integration (Hardcover, 2nd ed. 1995): Bernard E. Keiser, Eugene Strange Digital Telephony and Network Integration (Hardcover, 2nd ed. 1995)
Bernard E. Keiser, Eugene Strange
R4,549 Discovery Miles 45 490 Ships in 12 - 17 working days

What is "digital telephony"? To the authors, the term digital telephony denotes the technology used to provide a completely digital telecommunication system from end-to-end. This implies the use of digital technology from one end instru ment through transmission facilities and switching centers to another end instru ment. Digital telephony has become possible only because of the recent and on going surge of semiconductor developments, allowing microminiaturization and high reliability along with reduced costs. This book deals with both the future and the present. Thus, the first chapter is entitled, "A Network in Transition." As baselines, Chapters 2 and 11 provide the reader with the present status of teler-hone technology in terms of voice digiti zation as well as switching principles. The book is an outgrowth of the authors' consulting and teaching experience in the field since the early 1980s. The book has been written to provide both the engineering student and the practicing engineer a working knowledge of the prin ciples of present and future telecommunication systems based upon the use of the public switched network. Problems or discussion questions have been included at the ends of the chapters to facilitate the book's use as a senior-level or first year graduate-level course text. Numerous clients and associates of the authors as well as hundreds of others have provided useful information and examples for the text, and the authors wish to thank all those who have so contributed either directly or indirectly."

Methods and Models in Transport and Telecommunications - Cross Atlantic Perspectives (Hardcover, 2005 ed.): Aura Reggiani,... Methods and Models in Transport and Telecommunications - Cross Atlantic Perspectives (Hardcover, 2005 ed.)
Aura Reggiani, Laurie A. Schintler
R3,091 Discovery Miles 30 910 Ships in 10 - 15 working days

One aspect of the new economy is a transition to a networked society, and the emergence of a highly interconnected, interdependent and complex system of networks to move people, goods and information. An example of this is the in creasing reliance of networked systems (e. g. , air transportation networks, electric power grid, maritime transport, etc. ) on telecommunications and information in frastructure. Many of the networks that evolved today have an added complexity in that they have both a spatial structure - i. e. , they are located in physical space but also an a spatial dimension brought on largely by their dependence on infor mation technology. They are also often just one component of a larger system of geographically integrated and overlapping networks operating at different spatial levels. An understanding of these complexities is imperative for the design of plans and policies that can be used to optimize the efficiency, performance and safety of transportation, telecommunications and other networked systems. In one sense, technological advances along with economic forces that encourage the clustering of activities in space to reduce transaction costs have led to more efficient network structures. At the same time the very properties that make these networks more ef ficient have also put them at a greater risk for becoming disconnected or signifi cantly disruptedwh en super connected nodes are removed either intentionally or through a targeted attack.

Electromagnetics and Calculation of Fields (Hardcover, 2nd ed. 1997): Nathan Ida, Joao P.A. Bastos Electromagnetics and Calculation of Fields (Hardcover, 2nd ed. 1997)
Nathan Ida, Joao P.A. Bastos
R3,708 Discovery Miles 37 080 Ships in 10 - 15 working days

Intended for undergraduate students of electrical engineering, this introduction to electromagnetic fields emphasizes the computation of fields as well as the development of theoretical relations. The first part thus presents the electromagnetic field and Maxwell's equations with a view toward connecting the disparate applications to the underlying relations, while the second part presents computational methods of solving the equations - which for most practical calses cannot be solved analytically.

Recent Advances in Electrical Engineering and Control Applications (Hardcover, 1st ed. 2017): Mohammed Chadli, Sofiane... Recent Advances in Electrical Engineering and Control Applications (Hardcover, 1st ed. 2017)
Mohammed Chadli, Sofiane Bououden, Ivan Zelinka
R6,578 Discovery Miles 65 780 Ships in 12 - 17 working days

This book of proceedings includes papers presenting the state of art in electrical engineering and control theory as well as their applications. The topics focus on classical as well as modern methods for modeling, control, identification and simulation of complex systems with applications in science and engineering. The papers were selected from the hottest topic areas, such as control and systems engineering, renewable energy, faults diagnosis-faults tolerant control, large-scale systems, fractional order systems, unconventional algorithms in control engineering, signals and communications. The control and design of complex systems dynamics, analysis and modeling of its behavior and structure is vitally important in engineering, economics and in science generally science today. Examples of such systems can be seen in the world around us and are a part of our everyday life. Application of modern methods for control, electronics, signal processing and more can be found in our mobile phones, car engines, home devices like washing machines is as well as in such advanced devices as space probes and systems for communicating with them. All these technologies are part of technological backbone of our civilization, making further research and hi-tech applications essential. The rich variety of contributions appeals to a wide audience, including researchers, students and academics.

Proceedings of the 2nd International Conference on Green Communications and Networks 2012 (GCN 2012): Volume 4 (Hardcover, 2013... Proceedings of the 2nd International Conference on Green Communications and Networks 2012 (GCN 2012): Volume 4 (Hardcover, 2013 ed.)
Yuhang Yang, Maode Ma
R5,754 Discovery Miles 57 540 Ships in 10 - 15 working days

The objective of the 2nd International Conference on Green Communications and Networks 2012 (GCN 2012) is to facilitate an exchange of information on best practices for the latest research advances in the area of communications, networks and intelligence applications. These mainly involve computer science and engineering, informatics, communications and control, electrical engineering, information computing, and business intelligence and management.

"Proceedings of the 2nd International Conference on Green Communications and Networks 2012 (GCN 2012)" will focus on green information technology and applications, which will provide in-depth insights for engineers and scientists in academia, industry, and government. The book addresses the most innovative research developments including technical challenges, social and economic issues, and presents and discusses the authors' ideas, experiences, findings, and current projects on all aspects of advanced green information technology and applications.

Yuhang Yang is a professor at the Department of Electronic Engineering, Shanghai Jiao Tong University. Maode Ma is an associate professor at the School of Electrical & Electronic Engineering, Nanyang Technological University.

Coding and Modulation for Digital Television (Hardcover, 2002 ed.): Gordon M. Drury, Garik Markarian, Keith Pickavance Coding and Modulation for Digital Television (Hardcover, 2002 ed.)
Gordon M. Drury, Garik Markarian, Keith Pickavance
R3,022 Discovery Miles 30 220 Ships in 10 - 15 working days

Coding and Modulation for Digital Television presents a comprehensive description of all error control coding and digital modulation techniques used in Digital Television (DTV). This book illustrates the relevant elements from the expansive theory of channel coding to how the transmission environment dictates the choice of error control coding and digital modulation schemes. These elements are presented in such a way that both the mathematical integrity' and understanding for engineers' are combined in a complete form and supported by a number of practical examples. In addition, the book contains descriptions of the existing standards and provides a valuable source of corresponding references. Coding and Modulation for Digital Television also features a description of the latest techniques, providing the reader with a glimpse of future digital broadcasting. These include the concepts of soft-in-soft-out decoding, turbo-coding and cross-correlated quadrature modulation, all of which will have a prominent future in improving efficiency of the next generation DTV systems. Coding and Modulation for Digital Television is essential reading for all undergraduate and postgraduate students, broadcasting and communication engineers, researchers, marketing managers, regulatory bodies, governmental organizations and standardization institutions of the digital television industry.

AI-based Metaheuristics for Information Security in Digital Media (Hardcover): Apoorva S Shastri, Mangal Singh, Anand J.... AI-based Metaheuristics for Information Security in Digital Media (Hardcover)
Apoorva S Shastri, Mangal Singh, Anand J. Kulkarni, Patrick Siarry
R2,504 Discovery Miles 25 040 Ships in 9 - 15 working days

AI Metaheuristics for Information Security in Digital Media examines the latest developments in AI-based metaheuristics algorithms with applications in information security for digital media. It highlights the importance of several security parameters, their analysis, and validations for different practical applications. Drawing on multidisciplinary research including computer vision, machine learning, artificial intelligence, modified/newly developed metaheuristics algorithms, it will enhance information security for society. It includes state-of-the-art research with illustrations and exercises throughout.

Advances in Integrations of Intelligent Methods - Post-workshop volume of the 8th International Workshop CIMA 2018, Volos,... Advances in Integrations of Intelligent Methods - Post-workshop volume of the 8th International Workshop CIMA 2018, Volos, Greece, November 2018 (in conjunction with IEEE ICTAI 2018) (Hardcover, 1st ed. 2020)
Ioannis Hatzilygeroudis, Isidoros Perikos, Foteini Grivokostopoulou
R3,611 Discovery Miles 36 110 Ships in 10 - 15 working days

This book presents a number of research efforts in combining AI methods or techniques to solve complex problems in various areas. The combination of different intelligent methods is an active research area in artificial intelligence (AI), since it is believed that complex problems can be more easily solved with integrated or hybrid methods, such as combinations of different soft computing methods (fuzzy logic, neural networks, and evolutionary algorithms) among themselves or with hard AI technologies like logic and rules; machine learning with soft computing and classical AI methods; and agent-based approaches with logic and non-symbolic approaches. Some of the combinations are already extensively used, including neuro-symbolic methods, neuro-fuzzy methods, and methods combining rule-based and case-based reasoning. However, other combinations are still being investigated, such as those related to the semantic web, deep learning and swarm intelligence algorithms. Most are connected with specific applications, while the rest are based on principles.

Transforming Enterprise Cloud Services (Hardcover, 2010 Ed.): William Y Chang, Hosame Abu-Amara, Jessica Feng Sanford Transforming Enterprise Cloud Services (Hardcover, 2010 Ed.)
William Y Chang, Hosame Abu-Amara, Jessica Feng Sanford
R4,496 Discovery Miles 44 960 Ships in 12 - 17 working days

The broad scope of Cloud Computing is creating a technology, business, sociolo- cal, and economic renaissance. It delivers the promise of making services available quickly with rather little effort. Cloud Computing allows almost anyone, anywhere, at anytime to interact with these service offerings. Cloud Computing creates a unique opportunity for its users that allows anyone with an idea to have a chance to deliver it to a mass market base. As Cloud Computing continues to evolve and penetrate different industries, it is inevitable that the scope and definition of Cloud Computing becomes very subjective, based on providers' and customers' persp- tive of applications. For instance, Information Technology (IT) professionals p- ceive a Cloud as an unlimited, on-demand, flexible computing fabric that is always available to support their needs. Cloud users experience Cloud services as virtual, off-premise applications provided by Cloud service providers. To an end user, a p- vider offering a set of services or applications in the Cloud can manage these off- ings remotely. Despite these discrepancies, there is a general consensus that Cloud Computing includes technology that uses the Internet and collaborated servers to integrate data, applications, and computing resources. With proper Cloud access, such technology allows consumers and businesses to access their personal files on any computer without having to install special tools. Cloud Computing facilitates efficient operations and management of comp- ing technologies by federating storage, memory, processing, and bandwidth.

Wideband CDMA for Third Generation Mobile Communications (Hardcover): Tero Ojanpera, Ramjee Prasad Wideband CDMA for Third Generation Mobile Communications (Hardcover)
Tero Ojanpera, Ramjee Prasad
R4,079 Discovery Miles 40 790 Ships in 10 - 15 working days

This text evaluates wideband CDMA as an effective third generation technology option, giving a picture of the various wideband CDMA standardization activities underway worldwide in the late 1990s. The book compares a range of CDMA design techniques and examines how each affects system performance. It also describes how third generation system applications will impact radio access system design and compares and contrasts each major wideband CDMA standardization proposal currently on the table, including FRAMES wideband CDMA in Europe, Core-A in Japan, wideband IS-95 in the US, and wideband CDMA in Korea. It identifies and describes various air interface access schemes for third and fourth generation mobile communications systems; analyzes wideband CDMA performance in varying radio environments; and discusses the integration of the GSM core network with wideband CDMA.

Emerging Materials and Advanced Designs for Wearable Antennas (Hardcover): Vinod Kumar Singh, Vikas Dubey, Anurag Saxena,... Emerging Materials and Advanced Designs for Wearable Antennas (Hardcover)
Vinod Kumar Singh, Vikas Dubey, Anurag Saxena, Ratnesh Tiwari, Himani Goyal Sharma
R6,690 Discovery Miles 66 900 Ships in 10 - 15 working days

Bendable wearable materials like conductive strands, fluid metallic mixes, and polymer in paper are generally utilized as a part of the current adaptable electronic gadgets. Extra necessities are implemented in wearable applications. Characteristic elastic, for example, is an appealing exchange adaptable material that is biocompatible and offers high conductivity, low lost, simplicity to make, and most importantly, it is water/climate safe and condition amicable. The wearable antenna is one of the key components to establish body area network (BAN) for wireless communication, which is why it has become such an important part of antenna research. Wearable antennas are being applied successfully in various parts of life such as health monitoring, physical training, navigation, RFID, medicine, military, and more. Emerging Materials and Advanced Designs for Wearable Antennas explores how wearable antenna technology is being employed to enhance the quality of life in various industries. The technologies implemented and success of these antenna technologies is essential in the emerging field of wearable computing and is discussed in detail within the contents of this book. While covering essential topics such as the optimization of antenna material, improvement in flexible antenna performance, synthesis and design aspects of antennas, and transmission and receiving of the bendable antenna, this book is ideal for the military field, scientists, the medical field, practitioners, stakeholders, researchers, academicians, and students looking for the most advanced and updated research on the technology and implementation of wearable antennas spanning multiple industries.

Distance Learning Technology and Applications (Hardcover): Daniel Minoli Distance Learning Technology and Applications (Hardcover)
Daniel Minoli
R3,006 Discovery Miles 30 060 Ships in 10 - 15 working days

An all-encompassing guide to the business, engineering, and regulatory factors shaping the growth of the distance learning industry. This book examines potential providers, users, applications, and problem solutions, and includes actual case studies. An outstanding reference for educators, network service providers, public policy makers, and graduate level engineering students specializing in telecommunications.

Design and Control of RF Power Amplifiers (Hardcover, 2003 ed.): Alireza Shirvani, Bruce A. Wooley Design and Control of RF Power Amplifiers (Hardcover, 2003 ed.)
Alireza Shirvani, Bruce A. Wooley
R2,873 Discovery Miles 28 730 Ships in 10 - 15 working days

Design and Control of RF Power Amplifiers investigates various architectures and concepts for the design and control of radio-frequency (RF) power amplifiers. This book covers merits and challenges of integrating RF power amplifiers in various technologies, and introduces a number of RF power amplifier performance metrics. It provides a thorough review of various power amplifier topologies, followed by a description of approaches and architectures for the control and linearization of these amplifiers. A novel parallel amplifier architecture introduced in this book offers a breakthrough solution to enhancing efficiency in systems using power control.
Design and Control of RF Power Amplifiers is a valuable resource for designers, researchers and students in the field of RF integrated circuit design. Detailed and thorough coverage of various concepts in RF power amplifier design makes this book an invaluable guide for both beginners and professionals.

Fundamentals of Codes, Graphs, and Iterative Decoding (Hardcover, 2002 ed.): Stephen B Wicker, Saejoon Kim Fundamentals of Codes, Graphs, and Iterative Decoding (Hardcover, 2002 ed.)
Stephen B Wicker, Saejoon Kim
R1,650 Discovery Miles 16 500 Ships in 12 - 17 working days

Fundamentals of Codes, Graphs, and Iterative Decoding is an explanation of how to introduce local connectivity, and how to exploit simple structural descriptions. Chapter 1 provides an overview of Shannon theory and the basic tools of complexity theory, communication theory, and bounds on code construction. Chapters 2 - 4 provide an overview of "classical" error control coding, with an introduction to abstract algebra, and block and convolutional codes. Chapters 5 - 9 then proceed to systematically develop the key research results of the 1990s and early 2000s with an introduction to graph theory, followed by chapters on algorithms on graphs, turbo error control, low density parity check codes, and low density generator codes.

Optical Networks - Recent Advances - Recent Advances (Hardcover, 2001 ed.): Lu Ruan, Dingzhu Du Optical Networks - Recent Advances - Recent Advances (Hardcover, 2001 ed.)
Lu Ruan, Dingzhu Du
R4,474 Discovery Miles 44 740 Ships in 12 - 17 working days

With the rapid growth of bandwidth demand from network users and the advances in optical technologies, optical networks with multiterabits per-second capacity has received significant interest from both researchers and practitioners. Optical networks deployment raises a number of challenging problems that require innovative solutions, including net work architectures, scalable and fast network management, resource efficient routing and wavelength assignment algorithms, QoS support and scheduling algorithms, and switch and router architectures. In this book, we put together some important developments in this exiting area during last several years. Some of the articles are research papers and some are surveys. All articles were reviewed by two reviewers. The paper, "On Dynamic Wavelength Assignment in WDM Optical Networks," by Alanyali gives an overview of some issues in the analy sis and synthesis of dynamic wavelength assignment policies for optical WDM networks and illustrates a new method of analysis. The paper by Ellinas and Bala, "Wavelength Assignment Algorithms for WDM Ring Architectures," presents two optimal wavelength assignment algorithms that assign the minimum number of wavelengths between nodes on WDM rings to achieve full mesh connectivity. In the paper, "Optimal Placement of Wavelength Converters in WDM Networks for Parallel and Distributed Computing Systems," Jia et al."

WirelessHART (TM) - Real-Time Mesh Network for Industrial Automation (Hardcover, 2010 ed.): Deji Chen, Mark Nixon, Aloysius Mok WirelessHART (TM) - Real-Time Mesh Network for Industrial Automation (Hardcover, 2010 ed.)
Deji Chen, Mark Nixon, Aloysius Mok
R3,044 Discovery Miles 30 440 Ships in 10 - 15 working days

The process control industry has seen generations of technology advancement, from pneumatic communication to electrical communication to electronic c- munication, from centralized control to distributed control. At the center of today's distributed control systems are operator workstations. These operator wo- stations provide the connection between those overseeing and running plant operations to the process itself. With each new generation of products the operator workstation has become increasingly more intelligent. Newer applications provide advanced alarming, control, and diagnostics. Behind all of these applications are smarter devices. These smart devices provide greater process insight, reduce en- neering costs, and contribute to improving the overall operational performance of the plant. Smart devices include advanced diagnostics that can report the health of the device and in many cases, the health of the process that the device is connected to. It is not uncommon for smart devices to include diagnostics that can detect plugged lines, burner flame instability, agitator loss, wet gas, orifice wear, leaks, and cavitations. These devices tell the user how well they are operating and when they need maintenance. Improvements in sensor technology and diagnostics have lead to a large variety of smart devices. So how do users connect the capabilities of these smart devices to their existing control system infrastructures? The answer is wireless. Wireless technology has matured to the point that it now can be safely applied in industrial control, monitor, and asset management applications.

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