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Books > Professional & Technical > Electronics & communications engineering > Electronics engineering > Applied optics

Recurrent Neural Networks - From Simple to Gated Architectures (Hardcover, 1st ed. 2022): Fathi M. Salem Recurrent Neural Networks - From Simple to Gated Architectures (Hardcover, 1st ed. 2022)
Fathi M. Salem
R1,315 Discovery Miles 13 150 Ships in 12 - 17 working days

This textbook provides a compact but comprehensive treatment that provides analytical and design steps to recurrent neural networks from scratch. It provides a treatment of the general recurrent neural networks with principled methods for training that render the (generalized) backpropagation through time (BPTT). This author focuses on the basics and nuances of recurrent neural networks, providing technical and principled treatment of the subject, with a view toward using coding and deep learning computational frameworks, e.g., Python and Tensorflow-Keras. Recurrent neural networks are treated holistically from simple to gated architectures, adopting the technical machinery of adaptive non-convex optimization with dynamic constraints to leverage its systematic power in organizing the learning and training processes. This permits the flow of concepts and techniques that provide grounded support for design and training choices. The author's approach enables strategic co-training of output layers, using supervised learning, and hidden layers, using unsupervised learning, to generate more efficient internal representations and accuracy performance. As a result, readers will be enabled to create designs tailoring proficient procedures for recurrent neural networks in their targeted applications.

Advances in Nonlinear Photonics (Paperback): Giancarlo C. Righini, Luigi Sirleto Advances in Nonlinear Photonics (Paperback)
Giancarlo C. Righini, Luigi Sirleto
R5,227 Discovery Miles 52 270 Ships in 12 - 17 working days

Advances in Nonlinear Photonics combines fundamental principles with an overview of the latest developments. The book is suitable for the multidisciplinary audience of photonics researchers and practitioners in academia and R&D, including materials scientists and engineers, applied physicists, chemists, etc. As nonlinear phenomena are at the core of photonic devices and may enable future applications such as all-optical switching, all-optical signal processing and quantum photonics, this book provides an overview of key concepts. In addition, the book reviews the most important advances in the field and how nonlinear processes may be exploited in different photonic applications.

Vision, Sensing and Analytics: Integrative Approaches (Hardcover, 1st ed. 2021): MD Atiqur Rahman Ahad, Atsushi Inoue Vision, Sensing and Analytics: Integrative Approaches (Hardcover, 1st ed. 2021)
MD Atiqur Rahman Ahad, Atsushi Inoue
R4,478 Discovery Miles 44 780 Ships in 12 - 17 working days

This book serves as the first guideline of the integrative approach, optimal for our new and young generations. Recent technology advancements in computer vision, IoT sensors, and analytics open the door to highly impactful innovations and applications as a result of effective and efficient integration of those. Such integration has brought to scientists and engineers a new approach -the integrative approach. This offers far more rapid development and scalable architecting when comparing to the traditional hardcore developmental approach. Featuring biomedical and healthcare challenges including COVID-19, we present a collection of carefully selective cases with significant added- values as a result of integrations, e.g., sensing with AI, analytics with different data sources, and comprehensive monitoring with many different sensors, while sustaining its readability.

Multiscale Transforms with Application to Image Processing (Hardcover, 1st ed. 2018): Aparna Vyas, Soohwan Yu, Joonki Paik Multiscale Transforms with Application to Image Processing (Hardcover, 1st ed. 2018)
Aparna Vyas, Soohwan Yu, Joonki Paik
R2,932 Discovery Miles 29 320 Ships in 10 - 15 working days

This book provides an introduction to image processing, an overview of the transforms which are most widely used in the field of image processing, and an introduction to the application of multiscale transforms in image processing. The book is divided into three parts, with the first part offering the reader a basic introduction to image processing. The second part of the book starts with a chapter on Fourier analysis and Fourier transforms, wavelet analysis, and ends with a chapter on new multiscale transforms. The final part of the book deals with all of the most important applications of multiscale transforms in image processing. The chapters consist of both tutorial and highly advanced material, and as such the book is intended to be a reference text for graduate students and researchers to obtain state-of-the-art knowledge on specific applications. The technique of solving problems in the transform domain is common in applied mathematics and widely used in research and industry, but is a somewhat neglected subject within the undergraduate curriculum. It is hoped that faculty can use this book to create a course that can be offered early in the curriculum and fill this void. Also, the book is intended to be used as a reference manual for scientists who are engaged in image processing research, developers of image processing hardware and software systems, and practising engineers and scientists who use image processing as a tool in their applications.

Mathematical Foundations of Image Processing and Analysis V 1 (Hardcover, Volume 1): JC Pinoli Mathematical Foundations of Image Processing and Analysis V 1 (Hardcover, Volume 1)
JC Pinoli
R4,643 Discovery Miles 46 430 Ships in 12 - 17 working days

Image processing and image analysis are typically important fields in information science and technology. By image processing , we generally understand all kinds of operation performed on images (or sequences of images) in order to increase their quality, restore their original content, emphasize some particular aspect of the information or optimize their transmission, or to perform radiometric and/or spatial analysis. By image analysis we understand, however, all kinds of operation performed on images (or sequences of images) in order to extract qualitative or quantitative data, perform measurements and apply statistical analysis. Whereas there are nowadays many books dealing with image processing, only a small number deal with image analysis. The methods and techniques involved in these fields of course have a wide range of applications in our daily world: industrial vision, material imaging, medical imaging, biological imaging, multimedia applications, satellite imaging, quality control, traffic control, and so on

Statistical Optics, Second Edition (Hardcover, 2nd Edition): JW Goodman Statistical Optics, Second Edition (Hardcover, 2nd Edition)
JW Goodman
R2,762 Discovery Miles 27 620 Ships in 12 - 17 working days

This book discusses statistical methods that are useful for treating problems in modern optics, and the application of these methods to solving a variety of such problems This book covers a variety of statistical problems in optics, including both theory and applications. The text covers the necessary background in statistics, statistical properties of light waves of various types, the theory of partial coherence and its applications, imaging with partially coherent light, atmospheric degradations of images, and noise limitations in the detection of light. New topics have been introduced in the second edition, including: Analysis of the Vander Pol oscillator model of laser light Coverage on coherence tomography and coherence multiplexing of fiber sensors An expansion of the chapter on imaging with partially coherent light, including several new examples An expanded section on speckle and its properties New sections on the cross-spectrum and bispectrum techniques for obtaining images free from atmospheric distortions A new section on imaging through atmospheric turbulence using coherent light The addition of the effects of "read noise" to the discussions of limitations encountered in detecting very weak optical signals A number of new problems and many new references have been added Statistical Optics, Second Edition is written for researchers and engineering students interested in optics, physicists and chemists, as well as graduate level courses in a University Engineering or Physics Department.

Spectrograph Design Fundamentals (Paperback): John James Spectrograph Design Fundamentals (Paperback)
John James
R1,161 Discovery Miles 11 610 Ships in 10 - 15 working days

This book was first published in 2007, a time of enormous change in the field of optical spectrometry. Although the basic optical principles remained unchanged, the design considerations were very different and, in many cases, more demanding. Developments in computer ray-tracing and computer-aided design coped with the extra impositions and allowed the construction of a new generation of spectrographs. The book covers the general principles of spectrographic design at the time, and the practical and engineering aspects of a broad range of spectrographs and spectrometers. The book deals with materials and methods of construction and includes suggestions for the choice of optical table, the design of slit mechanisms, and adjustable mirror, grating and lens mounts, with suggestions for the alignment and calibration of the finished instrument.

Cambridge Illustrated Handbook of Optoelectronics and Photonics (Paperback): Safa Kasap, Harry Ruda, Yann Boucher Cambridge Illustrated Handbook of Optoelectronics and Photonics (Paperback)
Safa Kasap, Harry Ruda, Yann Boucher
R3,893 Discovery Miles 38 930 Ships in 10 - 15 working days

From fundamental concepts to cutting-edge applications, this is the first encyclopedic reference of important terms and effects in optoelectronics and photonics. It contains broad coverage of terms and concepts from materials to optical devices and communications systems. Self-contained descriptions of common tools and phenomena are provided for undergraduate and graduate students, scientists, engineers and technicians in industry and laboratories. The book strikes a balance between materials and devices related coverage and systems level terms, and captures key nomenclature used in the field. Equations are used where necessary, and lengthy derivations are avoided. Over 600 clear and self-explanatory illustrations are used to help convey key concepts, and enable readers to quickly grasp important concepts.

Multitemporal Remote Sensing - Methods and Applications (Hardcover, 1st ed. 2016): Yifang Ban Multitemporal Remote Sensing - Methods and Applications (Hardcover, 1st ed. 2016)
Yifang Ban
R9,314 Discovery Miles 93 140 Ships in 12 - 17 working days

Written by world renowned scientists, this book provides an excellent overview of a wide array of methods and techniques for the processing and analysis of multitemporal remotely sensed images. These methods and techniques include change detection, multitemporal data fusion, coarse-resolution time series processing, and interferometric SAR multitemporal processing, among others. A broad range of multitemporal datasets are used in their methodology demonstrations and application examples, including multispectral, hyperspectral, SAR and passive microwave data. This book features a variety of application examples covering both land and aquatic environments. Land applications include urban, agriculture, habitat disturbance, vegetation dynamics, soil moisture, land surface albedo, land surface temperature, glacier and disaster recovery. Aquatic applications include monitoring water quality, water surface areas and water fluctuation in wetland areas, spatial distribution patterns and temporal fluctuation trends of global land surface water, as well as evaluation of water quality in several coastal and marine environments. This book will help scientists, practitioners, students gain a greater understanding of how multitemporal remote sensing could be effectively used to monitor our changing planet at local, regional, and global scales.

Opto-Mechanical Systems Design, Two Volume Set (Hardcover, 4th edition): Paul Yoder, Daniel Vukobratovich Opto-Mechanical Systems Design, Two Volume Set (Hardcover, 4th edition)
Paul Yoder, Daniel Vukobratovich
R8,479 Discovery Miles 84 790 Ships in 12 - 17 working days

Opto-Mechanical Systems Design, Fourth Edition is different in many ways from its three earlier editions: coauthor Daniel Vukobratovich has brought his broad expertise in materials, opto-mechanical design, analysis of optical instruments, large mirrors, and structures to bear throughout the book; Jan Nijenhuis has contributed a comprehensive new chapter on kinematics and applications of flexures; and several other experts in special aspects of opto-mechanics have contributed portions of other chapters. An expanded feature-a total of 110 worked-out design examples-has been added to several chapters to show how the theory, equations, and analytical methods can be applied by the reader. Finally, the extended text, new illustrations, new tables of data, and new references have warranted publication of this work in the form of two separate but closely entwined volumes. The first volume, Design and Analysis of Opto-Mechanical Assemblies, addresses topics pertaining primarily to optics smaller than 50 cm aperture. It summarizes the opto-mechanical design process, considers pertinent environmental influences, lists and updates key parameters for materials, illustrates numerous ways for mounting individual and multiple lenses, shows typical ways to design and mount windows and similar components, details designs for many types of prisms and techniques for mounting them, suggests designs and mounting techniques for small mirrors, explains the benefits of kinematic design and uses of flexures, describes how to analyze various types of opto-mechanical interfaces, demonstrates how the strength of glass can be determined and how to estimate stress generated in optics, and explains how changing temperature affects opto-mechanical assemblies. The second volume, Design and Analysis of Large Mirrors and Structures, concentrates on the design and mounting of significantly larger optics and their structures, including a new and important topic: detailed consideration of factors affecting large mirror performance. The book details how to design and fabricate very large single-substrate, segmented, and lightweight mirrors; describes mountings for large mirrors with their optical axes in vertical, horizontal, and variable orientations; indicates how metal and composite mirrors differ from ones made of glass; explains key design aspects of optical instrument structural design; and takes a look at an emerging technology-the evolution and applications of silicon and silicon carbide in mirrors and other types of components for optical applications.

The Digital Image (Paperback, Revised edition): Ron Graham The Digital Image (Paperback, Revised edition)
Ron Graham
R1,141 Discovery Miles 11 410 Ships in 12 - 17 working days

Since "Digital Imaging" was first published, numerous improvements and changes in resolution and quality of imaging have been made and this book includes the most up-to-date developments. With the increase in diversity of cameras and their consequent reduction in price, "The Digital Image" becomes an even more important book to guide readers through the terminology and developments.;This new edition is a definitive handbook of digital imaging, enabling the reader to understand the technology, terms, relationships and to follow developments in this rapidly growing sector of imaging.;Digital imagery offers much more than simply film by way of its versatility, manipulability and convenience of use, all of which are exemplified in this book.

Handbook of Visual Optics, Two-Volume Set (Paperback): Pablo Artal Handbook of Visual Optics, Two-Volume Set (Paperback)
Pablo Artal
R2,675 Discovery Miles 26 750 Ships in 12 - 17 working days

Handbook of Visual Optics offers an authoritative overview of encyclopedic knowledge in the field of physiological optics. It builds from fundamental concepts to the science and technology of instruments and practical procedures of vision correction, integrating expert knowledge from physics, medicine, biology, psychology, and engineering. The chapters comprehensively cover all aspects of modern study and practice, from optical principles and optics of the eye and retina to novel ophthalmic tools for imaging and visual testing, devices and techniques for visual correction, and the relationship between ocular optics and visual perception.

China Internet Development Report 2019 - Blue Book for World Internet Conference, Translated by CCTB Translation Service... China Internet Development Report 2019 - Blue Book for World Internet Conference, Translated by CCTB Translation Service (Hardcover, 1st ed. 2021)
Publishing House of Electronics Industry
R2,550 Discovery Miles 25 500 Ships in 12 - 17 working days

This book systematically summarizes China Internet development over the past 25 years, highlighting its strong impact on China's economy and society, and discussing the Chinese people's transition from beneficiaries and participants to builders, contributors and joint maintainers of cyberspace development. It describes the development achievements, status and development and trends in China Internet in 2019, systematically summarizes the main lessons learned during development, and analyzes China's strategic planning and policy actions. Further, it discusses topics such as development outcomes, future trends in information infrastructure, network information technology, digital economy, e-government, construction and management of network contents, cyberspace security, the legal construction of cyberspace, and international cyberspace governance. In addition, the book suggests improvements to the index system for China Internet development and offers an overall assessment of cyberspace security and informatization work throughout China in order to comprehensively and accurately demonstrate the level of China Internet development.

Graphene Photonics (Hardcover): Jia-ming Liu, I-Tan Lin Graphene Photonics (Hardcover)
Jia-ming Liu, I-Tan Lin
R2,274 Discovery Miles 22 740 Ships in 12 - 17 working days

Understand the fundamental concepts, theoretical background, major experimental observations, and device applications of graphene photonics with this self-contained text. Systematically and rigorously developing each concept and theoretical model from the ground up, it guides readers through the major topics, from basic properties and band structure to electronic, optical, optoelectronic, and nonlinear optical properties, and plasmonics and photonic devices. The connections between theory, modeling, experiment, and device concepts are demonstrated throughout, and every optical process is analyzed through formal electromagnetic analysis. Suitable for both self-study and a one-semester or one-quarter course, this is the ideal text for graduate students and researchers in photonics, optoelectronics, nanoscience and nanotechnology, and optical and solid-state physics, who are working in this rapidly developing field.

Laser Safety - Tools and Training, Second Edition (Hardcover, 2nd edition): Ken Barat Laser Safety - Tools and Training, Second Edition (Hardcover, 2nd edition)
Ken Barat
R5,707 Discovery Miles 57 070 Ships in 12 - 17 working days

New chapters and updates highlight the second edition of Laser Safety: Tools and Training. This text provides background information relating to lasers and laser safety, and examines the components of laser work and laser safety from a different perspective. Written by a working laser safety officer, the book considers ways to keep users, as well as those around them, safe. The author encourages readers to think beyond protective eyewear. As it relates to safety, he determines that if eyewear is required, then the laser system is not ideal. This book factors in optics, the vibration elements of the optical table, the power meter, and user training, elements that are not commonly considered in the context of laser safety. It presents ways for users to evaluate the hazards of any laser procedure and ensure that they are following documented laser safety standards. The material serves as a fundamental means or road map for laser users seeking to utilize the safest system possible. What's New in the Second Edition: The second edition provides an inclusion of the Z136.8 Research Laser Standard, and offers updates and an explanation of eye exposure limits (MPE), presents new cases studies, and presents practical example images. It includes coverage of, laser lab design lessons, addresses user facility challenges and laser disposal. Presents case studies of real accidents, preventive measures, and templates for documenting potential laser risks and attendant safety measures Reviews factors often overlooked when one is setting up a laser lab Demonstrates how to investigate a laser incident This text which includes fundamental laser and laser safety information, as well as critical laser use information, is appropriate for both the novice and the seasoned professional.

Laser Beam Propagation - Generation and Propagation of Customized Light (Hardcover): Andrew Forbes Laser Beam Propagation - Generation and Propagation of Customized Light (Hardcover)
Andrew Forbes
R4,510 Discovery Miles 45 100 Ships in 12 - 17 working days

How do laser beams propagate? Innovative discoveries involving laser beams and their propagation properties are at the heart of Laser Beam Propagation: Generation and Propagation of Customized Light. This book captures the essence of laser beam propagation. Divided into three parts, it explores the fundamentals of how laser beams propagate, and provides novel methods to describe and characterize general laser beams. Part one covers the physical optics approach to the propagation of optical waves, the concept of plane waves, the mathematical description of diffraction and Gaussian optics, and adapting the concepts to the single photon level. The book explains the parallels between the paraxial propagation of light beams and the Schroedinger equation in quantum mechanics, and delves into the description of paraxial optics by means of state vectors and operators. It also discusses classical optics and quantum entanglement. Part two focuses on the application of modal decomposition to the characterization of laser beams, and provides a characterization of time domain pulses. It discusses tools for the temporal characterization of laser beams, the generation of arbitrary laser beams with digital holograms, and the use of spatial light modulators to display reconfigurable digital holograms capable of modifying and shaping laser beams. It also covers various techniques and the control of the polarization properties of light. Part three defines the most commonly generated shaped light, flat-top beams, outlining their propagation rules as well as the means to create them in the laboratory. It also highlights Helmholtz-Gauss beams, vector beams, and low coherence laser beams. The text presents the concepts of coherence theory and applies this to the propagation of low coherence optical fields. It also considers the recent developments in orbital angular momentum carrying fields, touches on basics properties, definitions and applications, and brings together the classical and quantum concepts of spatial modes of light.

Nanophotonics - Devices, Circuits, and Systems (Hardcover): Preecha Yupapin Nanophotonics - Devices, Circuits, and Systems (Hardcover)
Preecha Yupapin
R1,682 Discovery Miles 16 820 Ships in 12 - 17 working days

This book investigates the behavior of light (light pulse) within the micro- and nano-scale device (ring resonator), which can be integrated to form the device, circuits, and systems that can be used for atom/molecule trapping and transportation, optical transistor, fast calculation devices (optical gate), nanoscale communication and networks, and energy storage, etc. The large demand of small-scale device, especially, with light signal processing is needed. This book discusses device (nano device) design and simulation, which can be useful for practice in the near future.

Signal Processing and Machine Learning with Applications (Hardcover, 1st ed. 2022): Michael M. Richter, Sheuli Paul, Veton... Signal Processing and Machine Learning with Applications (Hardcover, 1st ed. 2022)
Michael M. Richter, Sheuli Paul, Veton Kepuska, Marius Silaghi
R1,313 Discovery Miles 13 130 Ships in 9 - 15 working days

Signal processing captures, interprets, describes and manipulates physical phenomena. Mathematics, statistics, probability, and stochastic processes are among the signal processing languages we use to interpret real-world phenomena, model them, and extract useful information. This book presents different kinds of signals humans use and applies them for human machine interaction to communicate. Signal Processing and Machine Learning with Applications presents methods that are used to perform various Machine Learning and Artificial Intelligence tasks in conjunction with their applications. It is organized in three parts: Realms of Signal Processing; Machine Learning and Recognition; and Advanced Applications and Artificial Intelligence. The comprehensive coverage is accompanied by numerous examples, questions with solutions, with historical notes. The book is intended for advanced undergraduate and postgraduate students, researchers and practitioners who are engaged with signal processing, machine learning and the applications.

Nanoantenna - Plasmon-Enhanced Spectroscopies for Biotechnological Applications (Hardcover): Marc Lamy de la Chapelle,... Nanoantenna - Plasmon-Enhanced Spectroscopies for Biotechnological Applications (Hardcover)
Marc Lamy de la Chapelle, Annemarie Pucci
R3,510 Discovery Miles 35 100 Ships in 12 - 17 working days

This book concentrates on the various fields related to the development of a nanobiosensor and presents the latest information from renowned experts. It focuses on the enhanced spectroscopy, including SERS, SEIRA/SEIRS, and near-field optics, and the related physical processes (optical properties of metallic nanoparticles, plasmon resonance, field enhancement, etc.). Some applications in the biological and medical field are presented to show the potential of such techniques as sensors if combined with functionalization.

Fiber-Optic Measurement Techniques (Hardcover, 2nd edition): Rongqing Hui, Maurice O'Sullivan Fiber-Optic Measurement Techniques (Hardcover, 2nd edition)
Rongqing Hui, Maurice O'Sullivan
R3,075 Discovery Miles 30 750 Ships in 12 - 17 working days

Fiber Optic Measurement Techniques is an indispensable collection of key optical measurement techniques essential for developing and characterizing today's photonic devices and fiber optic systems. The book gives comprehensive and systematic descriptions of various fiber optic measurement methods with the emphasis on the understanding of optoelectronic signal processing methodologies, helping the reader to weigh up the pros and cons of each technique and establish their suitability for the task at hand. Carefully balancing descriptions of principle, operations and optoelectronic circuit implementation, this indispensable resource will enable the engineer to: Understand the implications of various measurement results and system performance qualifications Characterize modern optical systems and devices Select optical devices and subsystems in optical network design and implementation Design innovative instrumentations for fiber optic systems The 2nd edition of this successful reference has been extensively updated (with 150 new pages) to reflect the advances in the field since publication in 2008 and includes: A new chapter on fiber-based optical sensors and spectroscopy techniques A new chapter on measurement uncertainty and error analysis Fiber Optic Measurement Techniques brings together in one volume the fundamental principles with the latest techniques, making it a complete resource for the optical and communications engineer developing future optical devices and fiber optic systems.

Introduction to Laser Science and Engineering (Hardcover): Travis S. Taylor Introduction to Laser Science and Engineering (Hardcover)
Travis S. Taylor
R3,195 Discovery Miles 31 950 Ships in 12 - 17 working days

Introduction to Laser Science and Engineering provides a modern resource for a first course in lasers for both students and professionals. Starting from simple descriptions, this text builds upon them to give a detailed modern physical understanding of the concepts behind light, optical beams and lasers. The coverage starts with the nature of light and the principles of photon absorption and transmission, leading to the amplified and stimulated emission principals governing lasers. The specifics of lasers and their application, safe use and future prospects are then covered, with a wealth of illustrations to provide readers with a visual sense of optical and laser principles.

Sharp Focusing of Laser Light (Hardcover): Victor V. Kotlyar, Sergei Stafeev, Anton Nalimov Sharp Focusing of Laser Light (Hardcover)
Victor V. Kotlyar, Sergei Stafeev, Anton Nalimov
R5,984 Discovery Miles 59 840 Ships in 12 - 17 working days

Readers will learn in which ways light can be "confined" within a subwavelength region smaller than half a wavelength. Strictly within the focal spot, all degrees of freedom of light interact and manifest themselves in a dramatic way. The size and shape of the focal spot and the magnitude of side-lobes depend on the polarization state alongside phase and amplitude distributions of a light beam. Readers will learn techniques in which inhomogeneously (i.e., azimuthally and radially) polarized optical beams can be focused. In sharp focus, exotic phenomena can occur, including the negative propagation of light and a toroidal optical flow. Throughout the book, the numerical simulation is performed using the rigorous solution of Maxwell's equations based on a Finite-Difference Time-Domain (FDTD) approach, which makes the results of modeling highly reliable. The photonic components, including optical metasurfaces, discussed in the book have been implemented using state-of-the-art techniques of electron beam writing and reactive ion-beam etching of microrelief. Two chapters are concerned with photonics hot spots, which deal with the control of light by means of optical metasurfaces and the generation of an energy backflow in the region of sharp focus of a laser beam. Another hot topic is diffractive polarization converters implemented as subwavelength diffraction gratings to convert polarization of light. By way of illustration, such converters are shown to perform linear-to-radial or linear-to-azimuthal polarization conversion. The book describes advanced photonic components fabricated by the authors to perform sharp focusing of light, including binary zone plates, binary axicons, a planar photonic crystal lens, diffraction polarization converters, and metalenses. This book is a must-have for individuals and institutions studying cutting edge optics.

Reliability of Semiconductor Lasers and Optoelectronic Devices (Paperback): Robert Herrick, Osamu Ueda Reliability of Semiconductor Lasers and Optoelectronic Devices (Paperback)
Robert Herrick, Osamu Ueda
R3,629 Discovery Miles 36 290 Ships in 12 - 17 working days

Reliability of Semiconductor Lasers and Optoelectronic Devices simplifies complex concepts of optoelectronics reliability with approachable introductory chapters and a focus on real-world applications. This book provides a brief look at the fundamentals of laser diodes, introduces reliability qualification, and then presents real-world case studies discussing the principles of reliability and what occurs when these rules are broken. Then this book comprehensively looks at optoelectronics devices and the defects that cause premature failure in them and how to control those defects. Key materials and devices are reviewed including silicon photonics, vertical-cavity surface-emitting lasers (VCSELs), InGaN LEDs and lasers, and AlGaN LEDs, covering the majority of optoelectronic devices that we use in our everyday lives, powering the Internet, telecommunication, solid-state lighting, illuminators, and many other applications. This book features contributions from experts in industry and academia working in these areas and includes numerous practical examples and case studies. This book is suitable for new entrants to the field of optoelectronics working in R&D.

Optical Wireless Communications - System and Channel Modelling with MATLAB (R), Second Edition (Hardcover, 2nd edition): Z.... Optical Wireless Communications - System and Channel Modelling with MATLAB (R), Second Edition (Hardcover, 2nd edition)
Z. Ghassemlooy, W. Popoola, S. Rajbhandari
R4,364 Discovery Miles 43 640 Ships in 12 - 17 working days

The 2nd Edition of Optical Wireless Communications: System and Channel Modelling with MATLAB (R) with additional new materials, is a self-contained volume that provides a concise and comprehensive coverage of the theory and technology of optical wireless communication systems (OWC). The delivery method makes the book appropriate for students studying at undergraduate and graduate levels as well as researchers and professional engineers working in the field of OWC. The book gives a detailed description of OWC, focusing mainly on the infrared and visible bands, for indoor and outdoor applications. A major attraction of the book is the inclusion of Matlab codes and simulations results as well as experimental test-beds for free space optics and visible light communication systems. This valuable resource will aid the readers in understanding the concept, carrying out extensive analysis, simulations, implementation and evaluation of OWC links. This 2nd edition is structured into nine compact chapters that cover the main aspects of OWC systems: History, current state of the art and challenges Fundamental principles Optical source and detector and noise sources Modulation, equalization, diversity techniques Channel models and system performance analysis Visible light communications Terrestrial free space optics communications Relay-based free space optics communications Matlab codes. A number of Matlab based simulation codes are included in this 2nd edition to assist the readers in mastering the subject and most importantly to encourage them to write their own simulation codes and enhance their knowledge.

Virtual Equivalent System Approach for Stability Analysis of Model-based Control Systems (Hardcover, 1st ed. 2021): Weicun... Virtual Equivalent System Approach for Stability Analysis of Model-based Control Systems (Hardcover, 1st ed. 2021)
Weicun Zhang, Qing Li
R2,546 Discovery Miles 25 460 Ships in 12 - 17 working days

This book puts forward the concept of a virtual equivalent system (VES) based on theoretical analysis and simulation results. The new concept will facilitate the development of a unified framework for analyzing the stability and convergence of self-tuning control (STC) systems, and potentially, of all adaptive control systems. The book then shows that a time-varying STC system can be converted into a time-invariant system using a certain nonlinear compensation signal, which reduces the complexity and difficulty of stability and convergence analysis. In closing, the VES concept and methodology are used to assess the stability of multiple model adaptive control (MMAC) systems and T-S model-based fuzzy control systems.

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