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Reflectarray Antennas

Reflectarray Antennas

Authors
Publisher John Wiley & Sons
Year 01/02/2018
Edition First
Pages 424
Version hardback
Readership level Professional and scholarly
Language English
ISBN 9781118846766
Categories Communications engineering / telecommunications
$131.76 (with VAT)
512.43 PLN / €117.90 / £109.20
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Book description

This book provides engineers with a comprehensive review of the state-of-the-art in reflectarray antenna research and development. The authors describe, in detail, design procedures for a wide range of applications, including broadband, multi-band, multi-beam, contour-beam, beam-scanning, and conformal reflectarray antennas. They provide sufficient coverage of basic reflectarray theory to fully understand reflectarray antenna design and analysis such that the readers can pursue reflectarray research on their own. Throughout the book numerous illustrative design examples including numerical and experimental results are provided. Featuring in-depth theoretical analysis along with practical design examples, Reflectarray Antennas is an excellent text/reference for engineering graduate students, researchers, and engineers in the field of antennas. It belongs on the bookshelves of university libraries, research institutes, and industrial labs and research facilities.

Reflectarray Antennas

book_contentlist

Foreword xiii


Preface xv


Acknowledgments xvii


1 Introduction to Reflectarray Antennas 1


1.1 Reflectarray Concept 1


1.2 Reflectarray Developments 2


1.3 Overview of this Book 5


References 7


2 Analysis and Design of Reflectarray Elements 9


2.1 Phase -Shift Distribution on the Reflectarray Aperture 9


2.2 Phase Tuning Approaches for Reflectarray Elements 13


2.2.1 Elements with Phase/Time -Delay Lines 14


2.2.2 Elements with Variable Sizes 15


2.2.3 Elements with Variable Rotation Angles 16


2.3 Element Analysis Methods 18


2.3.1 Periodic Boundary Conditions and Floquet Port Excitation 19


2.3.2 Metallic Waveguide Simulators 19


2.3.3 Analytical Circuit Models 21


2.3.4 Comparison of Element Analysis Techniques 22


2.3.4.1 Comparison between PBC and Metallic Waveguides 23


2.3.4.2 Comparison between PBC and the Circuit Model 24


2.4 Examples of Classic Reflectarray Elements 26


2.4.1 Rectangular Patch with Phase -Delay Lines 26


2.4.2 Variable Size Square Patch 30


2.4.3 Single Slot Ring Elements 33


2.5 Reflectarray Element Characteristics and Design Considerations 37


2.5.1 Frequency Behavior of Element Reflection Coefficients 37


2.5.2 Effects of Oblique Incidence Angles on Element Reflection Coefficients 37


2.5.3 Sources of Phase Error in Reflectarray Element Design 41


2.6 Reflectarray Element Measurements 43


References 46


3 System Design and Aperture Efficiency Analysis 49


3.1 A General Feed Model 49


3.1.1 Models of Linearly Polarized and Circularly Polarized Feeds 50


3.1.2 Balanced Feed Models 51


3.2 Aperture Efficiency 53


3.2.1 Spillover Efficiency 53


3.2.2 Illumination Efficiency 54


3.2.3 Effects of Aperture Shape on Efficiency 55


3.2.4 Effects of Feed Location on Efficiency 59


3.3 Aperture Blockage and Edge Diffraction 60


3.3.1 Aperture Blockage and Offset Systems 60


3.3.2 Edge Taper and Edge Diffraction 63


3.4 The Analogy between a Reflectarray and a Parabolic Reflector 70


3.4.1 The Offset System Configurations 71


3.4.2 Analogous Offset Reflector 72


3.4.2.1 Transformation from Reflector to Reflectarray System 72


3.4.2.2 Transformation from Reflectarray to Reflector System 75


3.4.3 Example of Analogous Offset Systems 76


References 77


4 Radiation Analysis Techniques 79


4.1 Array Theory Approach: The Robust Analysis Technique 80


4.1.1 Idealized Feed and Element Patterns 80


4.1.2 Element Excitations and Reflectarray Radiation Pattern 81


4.2 Aperture Field Approach: The Classical Analysis Technique 82


4.2.1 Complex Feed Pa

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