Bøger udgivet af Artech House Publishers

This book presents a systematic and concise overview of DE with a unique focus on developing a mathematical modelling framework for DEW performance prediction. It provides you with a comprehensive introduction to DE and its historical roots and walks you through effective methods for countering UAVs and other unmanned swarms, with examples provided to illustrate results. The book focuses on both high-power radio frequency and high energy laser performance prediction and equips practitioners with the toolset to predict DE performance and pursue future research directions. This is an important book for engineers, technical specialists, and managers working in the defense industry, including government and private contractors, as well as research practitioners at universities and engineering organizations worldwide.

This practical book provides fundamentals of EM propagation electromagnetic wave propagation and its unique application for the design of mobile wireless systems in complex urban environments. It supplies telecommunication engineers with the proper theoretical and practical tools to: plan radio coverage in cellular networks; design a radio link; predict connectivity in a wireless network and ensure that the system to be designed fulfills regulations on exposure of general public to electromagnetic fields. The book brings theory, algorithms, and applications into focus with some practical examples. Specific attention is devoted to laying the mathematical foundations of the asymptotic techniques that are presented; of the propagation over a flat and spherical Earth; and also of the propagation in complex environment in order to provide a cohesive exposition of the underlying principles. You'll be shown the latest propagation models and be equipped to understand and address the unique challenges facing wireless propagation for the most recent 5G mobile systems, including how to cope with new propagation scenarios/frequencies in 5G wireless channel modelling. You'll also find unique coverage of the problems of human exposure to electromagnetic fields and the corresponding international and national regulations, including the most recent ICNIRP guidelines. With its strong theoretical background on fundamentals of electromagnetic propagation along with an application-oriented approach, this is a must-have book for researchers working on applied electromagnetics and engineers working on wireless network planning at an advanced level. It is also rich in details and clear, making it an excellent textbook for advanced and graduate-level students.

This book shows you how to develop a hybrid mm-wave chipless Radio Frequency Identification (RFID) system, which includes chipless tag, reader hardware, and detection algorithm that use image processing and machine learning (ML) techniques. It provides the background and information you need to apply the concepts of Artificial Intelligence (AI) into detection and chipless tag signature printable on normal plastic substrates, instead of the conventional peak/nulls in the frequency tags. You'll learn how to incorporate new AI detection techniques along with cloud computing to lower costs. You'll also be shown a cost-effective means of image construction, which can lower detection errors. The book focuses on side-looking-aperture-radar (SLAR) with a combination of deep learning to provide a much safer means of chipless detection than the current inverse synthetic-aperture radar (iSAR) techniques. Each chapter includes practical examples of design, and a QA section to answer the possible doubts in simpler phrases. With its emphasis on mm-wave band and the practical side of design and engineering of the chipless tags, reader, and detection algorithms, this is an excellent resource for industry engineers, design engineers and university researchers.

Plasmonic optical biosensors allow label-free and highly sensitive detection of analytes, usually within a dedicated microfluidic system that brings the sample to the biosensor surface. Since the nineties, an optical fiber counterpart to the bulky Kretschmann prism configuration implemented in most commercial systems is investigated and developed to allow in situ measurements with a miniaturized system. Thanks to straightforward light injection and considering the optical fiber geometry, such developments indeed allow remote operation in very small volumes of analytes of the order of 10 µL or even less. The plasmonic optical fiber technology is now mature to such a degree that it becomes to be industrialized. Various configurations comprising unclad/etched multimode optical fibers, D-shaped fibers, U-bent fibers, interferometers, and optical fiber gratings (tilted and long period fiber gratings) were reported. When combined with thin metal films or nanoparticles and functionalized with antibodies, aptamers or other relevant bioreceptors, they show unprecedented performance in terms of sensitivity and limit of detection. Also, the target applications are ever growing, covering biomedical sensing, environmental sensing, and food quality monitoring, among others. This will be a great resource for photonics Engineers and Bioengineers (Industrial engineers and researchers.

Methods and computer technologies are needed to enable rapid business and system change, and this practical book shows professionals how to achieve this agility through Enterprise Integration (both business and technology integration). The CD-ROM contains a tutorial that takes professionals through a model driven approach to software development, and more.

A comprehensive discussion of operational requirements for future naval operations with sufficient detail to enable design and development of technical solutions to achieve the advanced information fusion and command and control concepts described. This book provides a unique focus on advanced approaches to Naval ISR and the critical underlying technologies to enable Distributed Maritime Operations (DMO). Also describing the approach of distributed Naval ops and role of ISR applying advanced technologies and addressing future conflict, new U.S. Naval maritime approaches, distributed Maritime Operations (DMO) and the newest U.S. Navy operational concept. This is a great resource for Naval officers in the ISR, Intelligence, Space, ASW, EW and Surface Warfare, disciplines who seek an in-depth understanding of advanced ISR operations and technologies as well as Navy and industry managers and engineers planning and developing advanced naval systems.

This practical book establishes a solid foundation for understanding the essential principles of how signals interact with transmission lines. These insights are the basis of the best design and best measurement practices for single-ended and differential transmission lines. Readers can confidently use these guidelines to avoid common mistakes. They will learn how to leverage rules of tumb, approximations, 2D filed solvers, and TDR measurements to extract the important figures of merit and obtain an acceptable, verified design, faster. Complex engineering principles are explained in a simplified but practical way.

Determining intrinsic microwave properties or extrinsic performance of materials is important for a variety of applications, including wireless propagation, antenna and microwave circuit design, and remote sensing, among others. This practical engineering guide to microwave material measurements discusses both laboratory and manufacturing/field environments. Modern technology has created a need to adapt microwave measurement methods for in-line quality assurance, in-situ process control, and field inspection of materials and components. The book covers the various configurations for free-space measurements, but also provides guidance on calibration methods, signal processing, and intrinsic property inversion algorithms. Learn how the modern adaptation of impedance analysis to CEM inversion methods and how this powerful new technique can be used to significantly improve conventional measurement methods. Intended to inform engineers and scientists of the theory and practice of wide-band microwave characterization of materials, this guide provides the necessary theory and equations for implementing these methods and gives hints and techniques for their practical implementation.

This unique book brings together RF Engineering and Optical Integration in terrestrial fixed and mobile networks, space networks and sub orbital communication systems (Low Altitude Platforms and High-Altitude Platforms). It is written specifically to help optical engineers to understand RF engineering and RF engineers needing to understand the optical technologies used in fixed and mobile networks, including local and long-distance fiber, free space terrestrial optical point to links, earth to space and space to earth links and inter satellite and inter-constellation cross connect. The book shows you how to mix and match RF and optical efficiently and explains how to repurpose terrestrial RF and terrestrial optical for space deployment. You'll learn how to decide whether to use an RF or optical link; how to calculate an RF and optical link budget; how to interface an optical signal to an RF bearer - and vice versa; how to multiplex RF and optical signals in guided and unguided media; and much more. This is a must-have book for practicing RF engineers, optical engineers, and planners of satcom and terrestrial networks, supply chain partners to 5G/satellite RF/optical integrations needing understanding of problems and solutions. It is also accessible to readers with a market, financial and/or regulatory interest. The book is a follow on to 5G Spectrum and Standards (Artech House_ Varrall_2016) and 5G and Satellite Spectrum, Standards and Scale (Artech House_ Varrall_2018).

This book covers the next generation of power transfer in which power is transmitted via energy harvesting applications. It describes far-field Wireless Power Transfers (WPT) and why it is considered a special type of power transfer where power is transmitted through wireless power sources like radio waves, Wi-Fi, and TV broadcasting signals rather than utilizing near field wireless power sources. The book is the first of its kind to explain far-field WPT and energy harvesting technology from the same viewpoint. It provides you with an application-oriented review of how the latest WPT and energy harvesting tech can solve practical real-world problems. You will also get insight to R & D activities and regulations for commercial products in the future market. The book helps you understand the theory of far field WPT, and you will learn about the rising market for power transfer, factory automation (FA) and Internet-of-Things (IoT) sensors. With its comprehensive and unique coverage combining WPT and energy harvesting technology, this is an excellent resource for researchers, graduate students and engineers looking to further their knowledge on the theory of far field wireless power transfer.

This book shows you how to adopt data-driven techniques for the problem of radar detection, both per se and in combination with model-based approaches. In particular, the focus is on space-time adaptive target detection against a background of interference consisting of clutter, possible jammers, and noise. It is a handy, concise reference for many classic (model-based) adaptive radar detection schemes as well as the most popular machine learning techniques (including deep neural networks) and helps you identify suitable data-driven approaches for radar detection and the main related issues. You'll learn how data-driven tools relate to, and can be coupled or hybridized with, traditional adaptive detection statistics; understand fundamental concepts, schemes, and algorithms from statistical learning, classification, and neural networks domains. The book also walks you through how these concepts and schemes have been adapted for the problem of radar detection in the literature, and provides you with a methodological guide for the design, illustrating different possible strategies. You'll be equipped to develop a unified view, under which you can exploit the new possibilities of the data-driven approach even using simulated data. This book is an excellent resource for Radar professionals and industrial researchers, postgraduate students in electrical engineering and the academic community.

This comprehensive introduction to synthetic aperture radar (SAR) is a practical guide to the analysis, simulation, and design of SAR systems. The video eBook uses constructive examples and real-world collected datasets to demonstrate image registration and autofocus methods. Both two- and three-dimensional image formation algorithms are presented. Hardware, software, and environmental parameters are used to estimate performance limits for SAR operation and utilization. A set of Python and MATLAB software tools is included and provides you with an effective mechanism to analyze and predict SAR performance for various imaging scenarios and applications. Examples which use the software tools are provided at the end of each chapter to reinforce critical SAR imaging topics such as clutter-to-noise ratio, mapping rate, spatial resolution, Doppler bandwidth, pulse repetition frequency, and coherency. This is an excellent resource for engineering professionals working in areas of radar signal processing and imaging as well as students interested in studying SAR.

Here's the first book written specifically to help medical device and software engineers, QA and compliance professionals, and corporate business managers better understand and implement critical verification and validation processes for medical device software. Offering a much broader, higher-level picture than other books in this field, this book helps professionals think critically about software validation -- to build confidence in their software's safety and effectiveness. The book presents validation activities for each phase of the product lifecycle and shows: why these activities are important and add value; how to undertake them; and what outputs need to be created to document the validation process. From software embedded within medical devices, to software that performs as a medical device itself, this comprehensive book explains how properly handled validation throughout the development lifecycle can help bring medical devices to completion sooner, at higher quality, and in compliance with regulations.

This book provides practical and theoretical aspects for automotive antenna measurements. It comprehensively covers all the information you need to design, develop, place, and use antennas and antenna systems in automotive applications. Special chapters are devoted to some of the most advanced topics in this area, including OTA measurements for Vehicle to Everything (V2X) applications, emulation of virtual drive testing, and specific topics for measurements of automotive RADAR systems. You will understand the various measurement techniques specifically for automotive antennas, including chamber design, absorbers, near-to-far field transformation, and some of the newest techniques such as the use of drones. The book presents both well accepted and standard practices and includes innovative methods that help you quickly adapt to the rapidly evolving field of automotive antenna testing today. This is an excellent reference for antenna engineers, automotive system designers, and anyone who measures and designs antennas for automotive applications.

This book provides complete step-by-step guidance on the physical implementation of modern integrated circuits, showing you their limitations and guiding you through their common remedies. The book describes today's manufacturing techniques and how they impact design rules. You will understand how to build common high frequency devices such as inductors, capacitors and T-coils, and will also learn strategies for dealing with high-speed routing both on package level and on-chip applications. Numerous algorithms implemented in Python are provided to guide you through how extraction, netlist comparison and design rule checkers can be built. The book also helps you unravel complexities that effect circuit design, including signal integrity, matching, IR drop, parasitic impedance and more, saving you time in addressing these effects directly. You will also find detailed descriptions of software tools used to analyze a layout database, showing you how devices can be recognized and connectivity accurately assessed. The book removes much of fog that often hides the inner workings of layout related software tools and helps you better understand: the physics of advanced nodes, high speed techniques used in modern integrated technologies, and the inner working of software used to analyze layout databases. This is an excellent resource for circuit designers implementing a schematic in a layout database, especially those involved in deep submicron designs, as well as layout designers wishing to deepen their understanding of modern layout rules.

This newly revised and updated edition offers a current and complete introduction to the analysis and design of Electro-Optical (EO) imaging systems. The Third Edition provides numerous updates and several new chapters including those covering Pilotage, Infrared Search and Track, and Simplified Target Acquisition Model. The principles and components of the Linear Shift-Invariant (LSI) infrared and electro-optical systems are detailed in full and help you to combine this approach with calculus and domain transformations to achieve a successful imaging system analysis. Ultimately, the steps described in this book lead to results in quantitative characterizations of performance metrics such as modulation transfer functions, minimum resolvable temperature difference, minimum resolvable contrast, and probability of object discrimination.The book includes an introduction to two-dimensional functions and mathematics which can be used to describe image transfer characteristics and imaging system components. You also learn diffraction concepts of coherent and incoherent imaging systems which show you the fundamental limits of their performance. By using the evaluation procedures contained in this desktop reference, you become capable of predicting both sensor test and field performance and quantifying the effects of component variations. The book contains over 800 time-saving equations and includes numerous analyses and designs throughout. It also includes a reference link to special website prepared by the authors that augments the book in the classroom and serves as an additional resource for practicing engineers. With its comprehensive coverage and practical approach, this is a strong resource for engineers needing a bench reference for sensor and basic scenario performance calculations. Numerous analyses and designs are given throughout the text. It is also an excellent text for upper-level students with an interest in electronic imaging systems.

Out-of-print for years, this highly sought-after volume is packed with valuable, timesaving equations and models, and helps engineers design optimal navigation systems by comparing the performance of the various types of system mechanizations.

Offering a detailed look at all the technical aspects and underpinnings of A-GPS, this unique book places emphasis on practical implementation. It reveals how A-GPS enables the computing of a position from navigation satellites in the absence of precise time--a topic not covered in any other book.