Thin Impedance Vibrators

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Thin Impedance Vibrators

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Author : Mikhail V. Nesterenko
Publisher : Springer Science & Business Media
ISBN 13 : 144197850X
Total Pages : 234 pages
Book Rating : 4.4/5 (419 download)

Book Synopsis Thin Impedance Vibrators by : Mikhail V. Nesterenko

Download or read book Thin Impedance Vibrators written by Mikhail V. Nesterenko and published by Springer Science & Business Media. This book was released on 2011-02-01 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book is devoted to exploring the foundations of the theory of thin impedance vibrator antennas. The text provides a continuation of the classic theory of thin perfectly conducting vibrators. Many consider impedance conception one of the most universal models in the theory of wave processes, as it informs such a wide spectrum of uses in solving practical problems of electrodynamics. This topic provides an opportunity to further search analytical solutions, allowing a simplification of the mathematical formulation of the boundary problem. The theory strives to widen the boundaries of the impedance vibrator antennas application in complex modern radio-and-electronic systems and devices. The results of much original research conducted by the authors will be useful for practicing engineers and designers of antenna and waveguide systems. The book is written in an academic style, and can be used to teach students and post graduates about radiotechnical and radiophysical specialities. The conclusion of the book lists many actual applied problems, which can provide inspiration for several potential PhD projects. Topics covered in this book are: •general questions of the theory of impedance vibrators in the spatial-frequency representation •electromagnetic waves radiation by impedance vibrators in free space and material mediums •electromagnetic waves radiation by impedance vibrators in material mediums over the perfectly conducting plane •electromagnetic waves scattering by irregular impedance vibrators in free space •generalized method of induced electromotive forces for investigation of the characteristics of impedance vibrators •radiation of electromagnetic waves by radial impedance vibrators on the perfectly conducting sphere •electromagnetic waves scattering by impedance vibrators in the rectangular waveguide

Combined Vibrator-Slot Structures: Theory and Applications

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Author : Mikhail V. Nesterenko
Publisher : Springer Nature
ISBN 13 : 3030601773
Total Pages : 337 pages
Book Rating : 4.0/5 (36 download)

Book Synopsis Combined Vibrator-Slot Structures: Theory and Applications by : Mikhail V. Nesterenko

Download or read book Combined Vibrator-Slot Structures: Theory and Applications written by Mikhail V. Nesterenko and published by Springer Nature. This book was released on 2020-11-27 with total page 337 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book presents solutions to a complex of internal and external problems of electromagnetics associated with the development of theory, construction of mathematical models and the development of rigorous methods for calculating the electrodynamic characteristics of combined vibrator-slot structures. The solutions of problems for determining the characteristics of impedance vibrator and slot radiators with arbitrary geometric and electrophysical parameters presented in the monograph were obtained within the framework of the unified methodological approach to construct asymptotic solutions of integral equations on currents and their systems. This approach made it possible to study a number of new combined vibrator-slot structures. The research results reveal the possibilities of using such structures as basic elements in the creation of modern antenna-waveguide devices operating in the ranges from meter to millimeter wavelengths, with new technical characteristics and functional purpose. The book is intended for senior and postgraduate students and researchers working in the fields of radiophysics, radio engineering and antenna-feeder design. The book covers the following topics: • excitation of electromagnetic waves in volumes with coordinate boundaries;• general issues of the theory of thin impedance vibrators and narrow slots in a spatial-frequency representation;• solution of current equations for isolated vibrator and slot scatterers;• combined radiating vibrator-slot structures in rectangular waveguide;• T-junctions of rectangular waveguides with vibrator-slot structures in coupling areas;• waveguide radiation of the combined vibrator-slot structures;• combined vibrator-slot structures located on a perfectly conducting sphere;• combined vibrator-slot Radiators in antenna arrays;• ultrawideband vibrator-slot structures;

Advanced Electromagnetic Waves

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Author : Saad Bashir
Publisher : BoD – Books on Demand
ISBN 13 : 9535122053
Total Pages : 280 pages
Book Rating : 4.5/5 (351 download)

Book Synopsis Advanced Electromagnetic Waves by : Saad Bashir

Download or read book Advanced Electromagnetic Waves written by Saad Bashir and published by BoD – Books on Demand. This book was released on 2015-11-18 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book endeavors to give the reader a strong base in the advanced theory of electromagnetic waves and its applications, while keeping pace with research in various other disciplines that apply electrostatics/electrodynamics theory. The treatment is highly mathematical, which tends to obscure the principles involved.

Electromagnetic Fields Excited in Volumes with Spherical Boundaries

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Author : Yuriy M. Penkin
Publisher : Springer
ISBN 13 : 3319978195
Total Pages : 207 pages
Book Rating : 4.3/5 (199 download)

Book Synopsis Electromagnetic Fields Excited in Volumes with Spherical Boundaries by : Yuriy M. Penkin

Download or read book Electromagnetic Fields Excited in Volumes with Spherical Boundaries written by Yuriy M. Penkin and published by Springer. This book was released on 2018-08-22 with total page 207 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses the problem of electromagnetic wave excitation in spatial regions with spherical boundaries and the accurate mathematical modeling based on numerical and analytical methods to significantly reduce the time required for developing new antenna devices. It particularly focuses on elements and systems on mobile objects of complex shape that are made of new technological materials. The experimental development of such devices and systems is an extremely time-consuming, lengthy, and expensive process. The book is intended for senior and postgraduate students and researchers working in the fields of radiophysics, radio engineering and antenna design. The authors assume that readers understand the basics of vector and tensor analysis, as well as the general theory of electrodynamics. The original results presented can be directly used in the development of spherical antennas and antenna systems for the mobile objects. The book addresses problems concerning the construction of Green’s functions for Hertz potentials in electrodynamic volumes with spherical boundaries, and solves these clearly and concisely. It also uses specific examples to analyze areas where the results could potentially be applied. The book covers the following topics: · excitation of electromagnetic fields in coordinate electrodynamic volumes; · Green’s functions for spherical resonators; · Green’s functions for infinite space outside of spherical scatterers; · electromagnetic fields of dipole radiators on spherical scatterers; · electromagnetic fields of thin radial impedance vibrators on perfectly conducting spheres; · electrodynamic characteristics of narrow slots in spherical surfaces; · multi-element and combined vibrator-slot radiators on spherical surfaces.

Antennas

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Author : Boris Levin
Publisher : CRC Press
ISBN 13 : 1000219933
Total Pages : 314 pages
Book Rating : 4.0/5 (2 download)

Book Synopsis Antennas by : Boris Levin

Download or read book Antennas written by Boris Levin and published by CRC Press. This book was released on 2021-04-02 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book comprises a new method of solving the integral equation of Leontovich, the most rigorous and most effective equation for the current in thin linear antennas. The book describes the features of the new method in its application in various types of antennas. It considers new ways of analyzing antennas, in particular in the calculation of an antenna gain based on main radiation patterns and the calculation of the directional characteristics of radiators with known distribution of current amplitude. The method of electrostatic analogy proposed by the author, provides the base for comparison of electromagnetic fields of high-frequency currents and electrostatic charges located on linear conductors to improve the directional characteristics of log-periodic and director-type antennas. A new approach to the analysis of the electrical characteristics of a microstrip antenna, which allows expansion of its operation range, is substantiated and developed. New results of antenna synthesis are obtained. The second part of the book is devoted to specific types of antennas (the author had a significant role in their creation). Particular attention is given to ship antennas for different frequency ranges. The book is intended for professionals, working in electrodynamics and those working on development, placement and exploitation of antennas. It will be useful for lecturers (university-level professors), teachers, students of radio engineering and researchers working in various fields of radio electronics and interested in an in-depth study of theoretical problems and designs f antennas. It can also be used for short university courses.

Wide-Range Antennas

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Author : Boris Levin
Publisher : CRC Press
ISBN 13 : 1351043226
Total Pages : 204 pages
Book Rating : 4.3/5 (51 download)

Book Synopsis Wide-Range Antennas by : Boris Levin

Download or read book Wide-Range Antennas written by Boris Levin and published by CRC Press. This book was released on 2019-02-21 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: Expanding the range of antenna frequency is the main objective of this book. Solutions proposed are based on the development of new theoretical methods for analyzing and synthesizing antennas. The book shows that concentrated capacitive loads connected along linear and V-antennas provide a high level of matching with a cable over a wide frequency range and improves directional characteristics of antennas, i.e. increases the communication distance. New theoretical methods are proposed for analysis and synthesis of antennas under consideration: 1) method of calculating directional characteristics of radiators with a given current distribution, and 2) method of electrostatic analogy for calculating mutual and total fields of complex multi-element radiating structures. These methods allow us to obtain optimal directional characteristics for director-type antennas (arrays of Yagi-Uda) and log-periodic antennas with concentrated capacitances and show that use of capacitors makes it possible to extend the frequency range of the director antennas and to decrease dimensions of the log-periodic antennas Multi-element (flat and three-dimensional) self-complementary antennas with different variants of connecting generator poles and cable wires to antenna elements are proposed, which improves the matching with a cable. Characteristics of flat structures are compared with characteristics of volume structures: conical, parabolic, and located on a pyramid edges. The book describes new versions of transparent antennas, antennas for cellular communication, multi-tier and multi-radiator antennas, and much more.

5th European Personal Mobile Communications Conference 2003

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Author :
Publisher :
ISBN 13 :
Total Pages : 640 pages
Book Rating : 4.:/5 (318 download)

Book Synopsis 5th European Personal Mobile Communications Conference 2003 by :

Download or read book 5th European Personal Mobile Communications Conference 2003 written by and published by . This book was released on 2003 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Soviet Physics

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Author :
Publisher :
ISBN 13 :
Total Pages : 892 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis Soviet Physics by :

Download or read book Soviet Physics written by and published by . This book was released on 1968 with total page 892 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Semiconductor Nanotechnology

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Author : Stephen M. Goodnick
Publisher : Springer
ISBN 13 : 3319918966
Total Pages : 241 pages
Book Rating : 4.3/5 (199 download)

Book Synopsis Semiconductor Nanotechnology by : Stephen M. Goodnick

Download or read book Semiconductor Nanotechnology written by Stephen M. Goodnick and published by Springer. This book was released on 2018-07-26 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents research dedicated to solving scientific and technological problems in many areas of electronics, photonics and renewable energy. Energy and information are interconnected and are essential elements for the development of human society. Transmission, processing and storage of information requires energy consumption, while the efficient use and access to new energy sources requires new information (ideas and expertise) and the design of novel systems such as photovoltaic devices, fuel cells and batteries. Semiconductor physics creates the knowledge base for the development of information (computers, cell phones, etc.) and energy (photovoltaic) technologies. The exchange of ideas and expertise between these two technologies is critical and expands beyond semiconductors. Continued progress in information and renewable energy technologies requires miniaturization of devices and reduction of costs, energy and material consumption. The latest generation of electronic devices is now approaching nanometer scale dimensions, new materials are being introduced into electronics manufacturing at an unprecedented rate, and alternative technologies to mainstream CMOS are evolving. Nanotechnology is widely accepted as a source of potential solutions in securing future progress for information and energy technologies. Semiconductor Nanotechnology features chapters that cover the following areas: atomic scale materials design, bio- and molecular electronics, high frequency electronics, fabrication of nanodevices, magnetic materials and spintronics, materials and processes for integrated and subwave optoelectronics, nanoCMOS, new materials for FETs and other devices, nanoelectronics system architecture, nano optics and lasers, non-silicon materials and devices, chemical and biosensors, quantum effects in devices, nano science and technology applications in the development of novel solar energy devices, and fuel cells and batteries.

The Shock and Vibration Digest

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Author :
Publisher :
ISBN 13 :
Total Pages : 492 pages
Book Rating : 4.F/5 ( download)

Book Synopsis The Shock and Vibration Digest by :

Download or read book The Shock and Vibration Digest written by and published by . This book was released on 1988 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Acoustical Engineering

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Author : Harry Ferdinand Olson
Publisher :
ISBN 13 :
Total Pages : 746 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis Acoustical Engineering by : Harry Ferdinand Olson

Download or read book Acoustical Engineering written by Harry Ferdinand Olson and published by . This book was released on 1957 with total page 746 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Pri͡ami Ta Oberneni Zadachi Teoriï Elektromahnitnykh Ta Akustychnykh Khvylʹ

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Author :
Publisher :
ISBN 13 :
Total Pages : 264 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis Pri͡ami Ta Oberneni Zadachi Teoriï Elektromahnitnykh Ta Akustychnykh Khvylʹ by :

Download or read book Pri͡ami Ta Oberneni Zadachi Teoriï Elektromahnitnykh Ta Akustychnykh Khvylʹ written by and published by . This book was released on 2005 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Ultrasonics

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Author : Dale Ensminger
Publisher : CRC Press
ISBN 13 : 142002020X
Total Pages : 510 pages
Book Rating : 4.4/5 (2 download)

Book Synopsis Ultrasonics by : Dale Ensminger

Download or read book Ultrasonics written by Dale Ensminger and published by CRC Press. This book was released on 2008-12-17 with total page 510 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gain a Unique and Comprehensive Understanding of UltrasonicsDespite its importance, most books on ultrasonics cover only very specific sub-fields of the science. They generally also take a more mathematical approach and lack the wider scope needed to truly improve understanding and facilitate practical use of ultrasonics across a wide range of disc

Plasma Physics Reports

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Author :
Publisher :
ISBN 13 :
Total Pages : 572 pages
Book Rating : 4.0/5 ( download)

Book Synopsis Plasma Physics Reports by :

Download or read book Plasma Physics Reports written by and published by . This book was released on 1995 with total page 572 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Ecology of Sensing

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Author : Friedrich G. Barth
Publisher : Springer Science & Business Media
ISBN 13 : 3662226448
Total Pages : 344 pages
Book Rating : 4.6/5 (622 download)

Book Synopsis Ecology of Sensing by : Friedrich G. Barth

Download or read book Ecology of Sensing written by Friedrich G. Barth and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sense organs serve as a kind of biological interface between the environment and the organism. Therefore, the relationship between sensory systems and ecology is very close and its knowledge of fundamental importance for an understanding of animal behavior. The sixteen chapters of this book exemplify the diversity of the constraints and opportunities associated with the sensation of stimuli representing different forms of energy. The book stresses the events taking place in the sensory periphery where the animal is exposed to and gets in touch with its natural habitat and acquires the information needed to organize its interaction with its environment. Ecology of Sensing brings together the leading experts in the field.

NASA Technical Note

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Author :
Publisher :
ISBN 13 :
Total Pages : 418 pages
Book Rating : 4.:/5 (319 download)

Book Synopsis NASA Technical Note by :

Download or read book NASA Technical Note written by and published by . This book was released on 1960 with total page 418 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Theory of Vibrating Systems and Sound

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Author : Irving Bardshar Crandall
Publisher :
ISBN 13 :
Total Pages : 334 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis Theory of Vibrating Systems and Sound by : Irving Bardshar Crandall

Download or read book Theory of Vibrating Systems and Sound written by Irving Bardshar Crandall and published by . This book was released on 1926 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: