Polarization In Electromagnetic Systems Second Edition
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Polarization In Electromagnetic Systems Second Edition
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Author : Warren L. Stutzman
language : en
Publisher: Artech House
Release Date : 2018-02-28
Polarization In Electromagnetic Systems Second Edition written by Warren L. Stutzman and has been published by Artech House this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-02-28 with Technology & Engineering categories.
This completely revised and expanded edition of an Artech House classic Polarization in Electromagnetic Systems presents the principles of polarization as applied to electromagnetic systems. This edition emphasizes the concepts needed for functional aspects of systems calculations and device evaluation. Readers find up-to-date coverage of applications in wireless communications. The fundamentals of polarization are explained, including the principles of wave polarization along with their mathematical representations. This book explores polarized, partially polarized waves, and unpolarized waves. The second part of the book addresses applications of polarization to practical systems. Antenna polarization is covered in detail, including omnidirectional, directional, and broadband antennas with emphasis on antennas for generating linear and circular polarization for each antenna type. This book provides detailed coverage of wave interaction with an antenna and dual-polarized systems. Additional topics covered in this edition include propagation through depolarizing media, polarization in wireless communication systems, including polarization diversity and polarization measurements. This hands-on resource provides a clear exposition on the understanding of polarization principles and evaluation of the performance of electromagnetic systems.
Basic Radar Analysis Second Edition
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Author : Mervin C. Budge
language : en
Publisher: Artech House
Release Date : 2020-04-30
Basic Radar Analysis Second Edition written by Mervin C. Budge and has been published by Artech House this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-04-30 with Technology & Engineering categories.
This highly-anticipated second edition of an Artech House classic covers several key radar analysis areas: the radar range equation, detection theory, ambiguity functions, waveforms, antennas, active arrays, receivers and signal processors, CFAR and chaff analysis. Readers will be able to predict the detection performance of a radar system using the radar range equation, its various parameters, matched filter theory, and Swerling target models. The performance of various signal processors, single pulse, pulsed Doppler, LFM, NLFM, and BPSK, are discussed, taking into account factors including MTI processing, integration gain, weighting loss and straddling loss. The details of radar analysis are covered from a mathematical perspective, with in-depth breakdowns of radar performance in the presence of clutter. Readers will be able to determine the nose temperature of a multi-channel receiver as it is used in active arrays. With the addition of three new chapters on moving target detectors, inverse synthetic aperture radar (ISAR) and constant false alarm rate (CFAR) and new MATLAB codes, this expanded second edition will appeal to the novice as well as the experienced practitioner.
Radio Propagation In The Urban Scenario
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Author : Giorgio Franceschetti
language : en
Publisher: Artech House
Release Date : 2023-05-31
Radio Propagation In The Urban Scenario written by Giorgio Franceschetti and has been published by Artech House this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-05-31 with Technology & Engineering categories.
This practical book provides fundamentals of 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. You’ll understand the latest propagation models and be equipped to address the 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. 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. 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.
Antennas For Iot
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Author : Prutha P. Kulkarni
language : en
Publisher: Artech House
Release Date : 2023-09-30
Antennas For Iot written by Prutha P. Kulkarni and has been published by Artech House this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-09-30 with Technology & Engineering categories.
This book provides a comprehensive overview of the latest trends in Internet of Things (IoT) antenna design. IoT is a rapidly growing network of interconnected devices that can collect and exchange data. This data can be used to improve efficiency, safety, and productivity in many applications, including smart cities, grids, industrial internet, computer security, etc. One of the main components of the IoT is the antenna. Antennas are responsible for transmitting and receiving the data that flows between IoT devices. To be effective, IoT antennas must be small, light, and easy to integrate into devices. They must also be able to operate in various environments, including those with elevated interference levels. This resource covers a wide range of topics, including the challenges and opportunities involved in designing antennas for IoT applications and the importance of miniaturization in IoT antenna design. A comprehensive list of references is included, making it a valuable resource for further study. This is an essential resource for engineers, researchers, and anyone who wants to learn more about the latest trends in IoT antenna design.
Substrate Integrated Waveguides
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Author : Soumava Mukherjee
language : en
Publisher: Artech House
Release Date : 2024-11-30
Substrate Integrated Waveguides written by Soumava Mukherjee and has been published by Artech House this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-11-30 with Technology & Engineering categories.
Substrate Integrated Waveguide (SIW) has evolved over the last decade as a promising technology to realize low-cost and convenient microwave and mm-wave systems with interesting performance characteristics. With the design of SIW-based systems there is a requirement to look for certain aspects in terms of performance, feasibility and readiness for commercial use cases. Substrate Integrated Waveguides thoroughly outlines the working principle, design rules and fabrication procedures of SIW, and several novel design concepts for implementing antennas and passive and active circuits using SIW technology. It focuses on using substrate-integrated waveguides for designing antennas, antenna arrays, filters and other parts of a modern transceiver. Substrate Integrated Waveguide is an important technology for 5G applications and beyond. Readers will gain a deep understanding of how to leverage SIW for developing advanced microwave and millimeter-wave systems. The book's coverage extends from basic communication principles to the intricate design of SIW-based circuits and systems, ensuring that the reader is equipped with the necessary knowledge to innovate in this rapidly evolving field. Targeted at RF engineers, academic researchers, and post-graduate students, this book stands out by offering a holistic perspective on SIW technology. It goes beyond just the basics, integrating both theoretical foundations and practical design approaches. This book serves as an essential resource for those seeking to master SIW technology. Whether for academic study or practical application, it provides the tools and insights necessary to contribute to the next generation of communication systems, particularly in terms of 5G and future technologies.
Influences Of Road Surface Characteristics On Scattering Mechanisms In Automotive Radar
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Author : Vera Maria Kurz
language : en
Publisher: Cuvillier Verlag
Release Date :
Influences Of Road Surface Characteristics On Scattering Mechanisms In Automotive Radar written by Vera Maria Kurz and has been published by Cuvillier Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
In dieser Arbeit wird der Einfluss von Straßenoberflächen und -materialien auf die Radar Streuung im automotiven Frequenzband von 77GHz untersucht. Sie umfasst alle üblicherweise auf deutschen Autobahnen verbauten Asphalt und Betontypen und unterscheidet zwischen spiegelnder und diffuser Reflektion, deren Übergang durch das Rayleigh Kriterium und dem resultierenden kritischen Winkel definiert wird. Hierfür werden verschiedene Messmethoden angewendet. Diese sind die Sandfleckmethode, die Focus beam Methode, ein Messaubau mit Radar mit synthetischer Apertur (SAR) und Freiraum FMCW Radar Messungen, die einen Radarspiegel nutzen. Für eine mathematische Beschreibung werden einerseits Wahrscheinlichkeitsdichtefunktionen (PDF) der Reflexion mit Normalverteilung und Rayleigh Verteilung ermittelt. Um andererseits die Freiraummessungen zu verarbeiten, werden Radargleichung und Fresnels Gleichungen genutzt, wodurch Werte für die relative Permittivität und die dazugehörige Rauigkeit berechnet werden, welche in der frei zugängigen Datenbank OpenMATERIAL zu Verfügung stehen. Zur Validierung dienen Referenzobjekte und Messungen mit unterschiedlichen Polarisationen der Radarsensoren. In this work, the influence of different road surfaces and materials, or more precisely of different asphalt and concrete surfaces, is analyzed for the automotive 77GHz band. It comprises all roads commonly found on German highways and distinguishes in specular reflection and diffuse scattering behavior. The changeover from one to the other behavior is determined by the Rayleigh criterion resulting in corresponding critical angles. For these measurements the area of sands method, the focus beam method, a synthetic aperture radar (SAR) setup as well as a openspace FMCW radar setup with a corner reflector are applied. The characterization includes probability density functions (PDF) of the reflectance of these dielectric surfaces using normal distribution as well as Rayleigh distribution. For the evaluation of the openspace measurements, the radar equation and Fresnel’s equations are used, resulting in relative permittivity and roughness values, which are provided as well in an open source material library named OpenMATERIAL. For validation purposes reference samples and measurements with different polarization of the radar sensor are used.
Gps Gnss Antennas
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Author : B. Rama Rao
language : en
Publisher: Artech House
Release Date : 2013
Gps Gnss Antennas written by B. Rama Rao and has been published by Artech House this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Technology & Engineering categories.
This practical resource provides a current and comprehensive treatment of GPS/GNSS antennas, taking into account modernized systems and new and developing applications. The book presents a number of key applications, describing corresponding receiver architectures and antenna details. You find important discussions on antenna characteristics, including theory of operation, gain, bandwidth, polarization, phase center, mutual coupling effects, and integration with active components. Moreover, you get expert guidance on the design of adaptive arrays and signal processing techniques used to mitigate interference such as jamming. Addressing critical GNSS antenna high precision requirements, this in-depth book explains the relationships between antenna gain, satellite visibility, geometric dilution of precision, and the carrier-to-noise density ratio. The book delineates requirements for both dual-band and tri-band antennas. You get detailed coverage of a wide range of antenna designs, including microstrip patch, quadrafilar helix, axial mode helix, spiral, inverted L, and planar inverted F antennas. Moreover, you find a discussion on new magnetic metamaterialù substrates and other dielectric substrate materials. Further, this comprehensive book presents designs for very compact GNSS antennas for personal handheld devices and automobiles.
Computational Methods For Electromagnetic And Optical Systems Second Edition
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Author : John M. Jarem
language : en
Publisher: CRC Press
Release Date : 2011
Computational Methods For Electromagnetic And Optical Systems Second Edition written by John M. Jarem and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Science categories.
This text examines a variety of spectral computational techniques— including k-space theory, Floquet theory and beam propagation— that are used to analyze electromagnetic and optical problems. The authors tie together different applications in EM and optics in which the state variable method is used. Emphasizing the analysis of planar diffraction gratings using rigorous coupled wave analysis, the book presents many cases that are analyzed using a full-field vector approach to solve Maxwell’s equations in anisotropic media where a standard wave equation approach is intractable.
Official Gazette Of The United States Patent And Trademark Office
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Author : United States. Patent and Trademark Office
language : en
Publisher:
Release Date : 1999
Official Gazette Of The United States Patent And Trademark Office written by United States. Patent and Trademark Office and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Patents categories.
Structure And Properties Of Fat Crystal Networks Second Edition
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Author : Alejandro G. Marangoni
language : en
Publisher: CRC Press
Release Date : 2012-09-25
Structure And Properties Of Fat Crystal Networks Second Edition written by Alejandro G. Marangoni and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-09-25 with Science categories.
Lipid science and technology has grown exponentially since the turn of the millennium. The replacement of unhealthy fats in the foods we eat, and of petroleum-based ingredients in the cosmetics we use, is a top priority for consumers, government, and industry alike. Particularly for the food industry, removing trans fats and reducing saturated fat in foods has produced a major challenge: How do we create structure with a minimum amount of structuring material? A comprehensive omnibus, Structure and Properties of Fat Crystal Networks, Second Edition clarifies the complex relationship between triglyceride composition of vegetable oils and fats, the physicochemical properties of triglycerides in simple and complex model systems, their crystallization, and melting behavior. Furthermore, it dives into the implications of these materials on the functional properties in food systems. Replacing ingredients, optimizing functionality, and improving health necessitate the ability to relate the structural organization present in a material to macroscopic properties. Revisiting concepts and approaches used in the study of fat crystal networks, the second edition includes new developments, particularly intermolecular interactions, and thoroughly updated analytical methods. Succinct, clear, and complete, this book is designed to help students and early-career researchers make the study of fats a more focused, less frustrating, and less expensive endeavor.