Apertures

Apertures

Author: R. C. Hansen

Publisher: Academic Press

ISBN: 9781483260631

Category: Technology & Engineering

Page: 462

View: 579

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Microwave Scanning Antennas, Volume I: Apertures is a comprehensive account of phased arrays, multiple beam arrays, time domain and synthetic apertures, and adaptive antennas. Advances in continuous apertures and near field theory are discussed. Low noise and monopulse apertures, optical scanners, and large radomes are also covered, along with radio astronomy instruments and associated theory. Comprised of five chapters, this volume begins with an overview of aperture theory as well as aperture distributions and near field theory. The second and third chapters deal with mechanically steered and electronically scanned antennas, including monopulse antennas and optical scanners. The fourth chapter is devoted to radio astronomy instruments and techniques and encompasses both apertures and arrays, together with radio telescopes and antennas. The final chapter describes large radomes that are primarily used with aperture antennas. This book is intended for engineers who must understand narrow beam or high resolution antennas more deeply than from the system interfaces alone, and for undergraduate and graduate students in electronics who wish to complement their study of electromagnetics with the quantitative details of hardware applications.
Apertures
Language: en
Pages: 462
Authors: R. C. Hansen
Categories: Technology & Engineering
Type: BOOK - Published: 2014-05-10 - Publisher: Academic Press

Microwave Scanning Antennas, Volume I: Apertures is a comprehensive account of phased arrays, multiple beam arrays, time domain and synthetic apertures, and adaptive antennas. Advances in continuous apertures and near field theory are discussed. Low noise and monopulse apertures, optical scanners, and large radomes are also covered, along with radio
Fractal Apertures in Waveguides, Conducting Screens and Cavities
Language: en
Pages: 201
Authors: Basudeb Ghosh, Sachendra N. Sinha, M. V. Kartikeyan
Categories: Science
Type: BOOK - Published: 2014-06-12 - Publisher: Springer

This book deals with the design and analysis of fractal apertures in waveguides, conducting screens and cavities using numerical electromagnetics and field-solvers. The aim is to obtain design solutions with improved accuracy for a wide range of applications. To achieve this goal, a few diverse problems are considered. The book
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Language: en
Pages: 11
Authors: Donald R. Rhodes
Categories: Antennas (Electronics)
Type: BOOK - Published: 1971 - Publisher:

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Facadeapertures represent the realm of the exterior wall or facade, which establishes the connection between inside and out and makes it possible to illuminate and ventilate the spaces behind it. This volume deals with the various forms of openings, such as doors, windows, ventilation elements, and fixed glass panes, and
Scattering from Dielectric-covered Periodic Screens of Small Rectangular Apertures
Language: en
Pages: 47
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Type: BOOK - Published: 1974 - Publisher:

A study of the use of perforated screens as potential radome structures was conducted. The self-complementary nature of these screens suggests their application for broadbanding or harmonic filters, while aiding the structural integrity of the radome. The adjustment of radome parameters is important to the control of wide angle radiation