The Art And Science Of Ultrawideband Antennas Second Edition

Author: Hans G. Schantz
Publisher: Artech House
ISBN: 1608079562
Size: 32.28 MB
Format: PDF, ePub, Docs
View: 4055
This comprehensive treatment of ultrawideband (UWB) antennas and time-domain microwave engineering serves as an invaluable practical reference for anyone involved in antenna and RF design work. This authoritative volume enables readers to select the proper UWB antennas for their applications, design and analyze UWB antennas, and integrate these antennas in an RF system. By applying time-domain thinking to problems of practical interest, the reader will not only learn how to build and analyze antennas, but also understand them at the most fundamental level. This second edition is updated and expanded throughout, providing readers with a history of antennas, numerous new problem sets and worked examples, along with new information on plotting time-domain field lines, time-domain reflectometry, matching techniques, and more. This book also addresses system issues like spectral control and antenna efficiency.

Problem Solving In Electromagnetics Microwave Circuit And Antenna Design For Communications Engineering

Author: Karl F. Warnick
Publisher: Artech House Publishers
ISBN: 9781596930964
Size: 43.60 MB
Format: PDF, Docs
View: 108
Presenting a wide range of real-world electromagnetics problems, this one-of-a-kind resource offers professionals and students complete, step-by-step solutions to the most critical challenges relating to antenna and microwave circuit design. The book serves as a practical standalone reference or as a perfect complement to the text Electromagnetics, Microwave Circuit, and Antenna Design for Communications Engineering, Second Edition by Peter Russer (Artech House, 2006). Readers find in-depth coverage of the concepts, methods and theorems they need to understand to effectively tackle critical problems in the field. Including numerous graphical illustrations and simplifying mathematical computations, the book offers a deep and intuitive understanding of the subject.

Antennas And Propagation For Body Centric Wireless Communications Second Edition

Author: Peter S. Hall
Publisher: Artech House
ISBN: 1608073769
Size: 16.91 MB
Format: PDF
View: 5315
Now in a newly updated and revised edition, this timely resource provides you with complete and current details on the theory, design, and applications of wireless antennas for on-body electronic systems. the Second Edition offers readers brand new material on advances in physical phantom design and production, recent developments in simulation methods and numerical phantoms, descriptions of methods for simulation of moving bodies, and the use of the body as a transmission channel. You also find a completely revised chapter on channel characterization and antenna design at microwave frequencies. This cutting-edge volume brings you the state-of-the-art in existing applications like Bluetooth headsets together with detailed treatment of techniques, tools, and challenges in developing on-body antennas for an array of medical, emergency response, law enforcement, personal entertainment, and military applications on the horizon. the book briefs you on energy propagation around and into the body and how to estimate performance of on-body wireless links, and then dives into the nuts-and-bolts of designing antenna systems that deliver the goods. It covers on-body communication channels at microwave frequency bands and at low frequency bands, as well as ultra wideband systems for WPANs and WBANs. You get details on body-centric UWB antennas and channels, as well as advances in wearable mobile, EBG, and "smart fabric" antennas for cellular and WLAN communications. Chapters on telemedicine applications, such as remote diagnoses, and implantable medical devices cover crucial propagation issues and other obstacles that need to be addressed. Rounding out the coverage is a section on antenna design for body-sensor networks and their emerging military and space applications. Packed with hands-on guidance from noted experts, this volume will be indispensable for your efforts in designing and improving body-centric communication systems.

Dielectric Resonator Antenna Handbook

Author: Aldo Petosa
Publisher: Artech House Publishers
ISBN: 9781596932067
Size: 37.24 MB
Format: PDF
View: 2892
Today, more and more antenna engineers are viewing the Dielectric Resonator Antenna (DRA) as a preferable alternative to conventional low-gain designs because of several attractive features, including high radiation, light weight, small size and low profile. This practical resource presents complete, up-to-date details on DRAs in a single volume. The book provides professionals with clear guidance on the mode of operation and radiation behavior of DRAs, the main methods of excitation, and the major advances in DRA technology. This hands-on reference equips engineers with simple equations and graphs that help them rapidly design DRAs, without the need for complex analytical or numerical calculations. Numerous design examples are included to give practitioners a sense of the versatility that DRAs afford.

Small Antenna Handbook

Author: Robert C. Hansen
Publisher: John Wiley & Sons
ISBN: 1118106857
Size: 22.66 MB
Format: PDF, ePub
View: 6635
Now in an completely revised, updated, and enlarged Second Edition, Small Antennas in Portable Devices reviews recent significant theoretical and practical developments in the electrically small antenna area. Examining antenna designs that work as well as those that have limitations, this new edition provides practicing engineers and upper level and graduate students with new information on: work on improving bandwidth using spherical helix dipoles; work on electromagnetically coupled structures; exact derivation of the Q for electrically small antennas for both the TE and TM modes; and a new simplified Q formula.

Electromagnetics And Antenna Technology

Author: Alan J. Fenn
Publisher: Artech House Publishers
ISBN: 9781630813741
Size: 47.75 MB
Format: PDF, ePub, Mobi
View: 2961
Written by a leading expert in the field, this practical new resource presents the fundamentals of electromagnetics and antenna technology. This book covers the design, fabrication, modeling simulation, and test and measurement for various types of antennas, including dual-polarized wideband v-dipole antennas, dual-polarized four-quad loop/dipole antennas, and monocone/loop antennas. It explores the essentials of phased array antennas and includes a detailed formulation of the method of moments.This resource exhibits essential derivations of equations, providing readers with a strong foundation of the underpinnings of electromagnetics and antennas. It includes a complete chapter on the details of antenna and electromagnetic test and measurement. This book explores details on 3D printed non-planar circular patch array antenna technology and the design and analysis of a planar array-fed axisymmetric gregorian reflector. The lumped-element impedance matched antennas are examined and include a look at an analytic impedance matching solution with a parallel LC network. This book provides key insight into many aspects of antenna technology that have broad applications in radar and communications.

Phased Array Antenna Handbook

Author: Robert J. Mailloux
Publisher: Artech House Publishers
ISBN: 9781630810290
Size: 78.51 MB
Format: PDF
View: 4527
This newly revised third edition of an Artech House classic, Phased Array Antenna Handbook, Second Edition, offers a complete and up-to-date comprehensive treatment of array antennas and systems. This edition provides a wealth of new material, including expanded coverage of phased array and multibeam antennas. New modern machine learning techniques used for analysis are included. Additional material on wideband antennas and wideband coverage in array antennas are incorporated this book, including new methods, devices, and technologies that have developed since the second edition.A detailed treatment of antenna system noise, sections on antenna pattern synthesis, developments in subarray technology, and in-depth information on array architecture and components are also new features of this book.This book provides complete design details that demonstrate how to size an array system with speed and confidence.Moreover, this book provides expanded coverage of systems aspects of arrays for radar and communications. Supported with numerous equations and illustrations, this practical book helps evaluate basic antenna parameters such as gain, sidelobe levels, and noise. Readers learn how to compute antenna system noise, design subarray geometries for given bandwidth, scan and sidelobe constraints, and choose array illumination tapers for given sidelobe levels.

The Hidden Truth

Author: Hans G. Schantz
Publisher: Createspace Independent Publishing Platform
ISBN: 9781532712937
Size: 64.81 MB
Format: PDF, Mobi
View: 6809
They subverted science, rewrote history, and corrupted society. Now he knows. And he'll prove it, if they don't kill him first. Read the amazing new science fiction techno-thriller about the conspiracy corrupting the world and the young man who rallies his friends and family to fight back. Readers React: "It's like Dan Brown meets Ayn Rand!""Intriguing premise, provocative conclusion." "This is a real page turner. I couldn't put it down, and I'm anxiously awaiting the sequel." Reviews: ..". the best science fiction techno-thriller since whatever Neil Stephenson's last book was." -Ken Holder, L. Neil Smith's "The Libertarian Enterprise"