Trevor S Bird - Mutual Coupling Between Antennas

1. Chapter 2
2. Chapter 4
3. Chapter 5
4. Chapter 10
5. Chapter 11
6. Chapter 14

1. Chapter 1
2. Chapter 2
3. Chapter 3
4. Chapter 4
5. Chapter 5
6. Chapter 6
7. Chapter 7
8. Chapter 8
9. Chapter 9
10. Chapter 10
11. Chapter 11
12. Chapter 12
13. Chapter 13
14. Chapter 14
15. Appendix A
16. Appendix D
17. Appendix E

Edited by

Trevor S. Bird

Distinguished Visiting Professor
University of Technology Sydney & Principal Antengenuity
Sydney, Australia

This edition first published 2021

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Library of Congress CataloginginPublication Data Applied

Names: Bird, Trevor S., editor.

Title: Mutual coupling between antennas / edited by Trevor S. Bird,

distinguished visiting professor, University of Technology Sydney &

principal, Antengenuity, Sydney, Australia.

Description: First edition. | Hoboken, NJ, USA : Wiley, 2021. | Includes

bibliographical references and index.

Identifiers: LCCN 2020032113 (print) | LCCN 2020032114 (ebook) | ISBN

9781119564980 (hardback) | ISBN 9781119564881 (Adobe pdf) | ISBN

9781119564973 (epub)

Subjects: LCSH: Antenna arrays. | Electromagnetic interference. | Coupled

mode theory.

Classification: LCC TK7871.67.A77 M88 2021 (print) | LCC TK7871.67.A77

(ebook) | DDC 621.382/4dc23

LC record available at https://lccn.loc.gov/2020032113

LC ebook record available at https://lccn.loc.gov/2020032114

Cover Design: Wiley

Cover Image: Illustration courtesy of Trevor S. Bird;

Supersmario/Getty Images; moorsky/Getty Images

To my parents Norma May Bird (ne Beckham) and Roy Murray Bird for their love and teaching, and for always encouraging me in anything worthwhile I attempted.

The genesis of this book dates back to the early 1980s. After some early work on the topic of mutual coupling in waveguide arrays, one of my mentors, the late Professor Peter J.B. Clarricoats, FRS of Queen Mary, University of London, inspired me to write a monograph on the topic. The late Dr. Bob (R.C.) Hanson also encouraged me through interactions on this and other topics right up to his passing in 2018. The concept grew to a book proposal in the late 1980s, and drafts of several chapters had been prepared by the early 1990s. Pressures of work and a management role at CSIRO resulted in me shelving the project for over 20 years. Recently, I had the opportunity to review the material I had in hand. It was clear that, over the years, some of the material had dated, and, additionally, I needed to include more recent topics and investigate a wider range of problems than had been originally envisaged. Some of these uptodate topics have been provided in this volume by a new generation of talented contributors.

My introduction to the topic of mutual coupling in antennas had come much earlier in late 1969 through a short project to design a fullwave dipole backed by a metal plate. This antenna was proposed as an element of a holographic array for microwave link path testing by a local telecommunications provider. Later, at Queen Mary, I worked on a waveguide feed array and this was for illuminating a reflector for creating shaped beams from a geostationary satellite. In the late 1970s, the European Space Agency had proposed a prototype beam for covering Europe and this inspired our research. At Queen Mary, I received expert tuition in Green's functions and mutual coupling from the late George A. Hockham FREng, of optical communications fame. We continued this collaboration at Plessey Radar a few years later, where he was Research Director, when he asked me to work on conformal arrays. All of the topics mentioned above form part of chapters in this book. I continued to work on mutual coupling in feed arrays at CSIRO in Australia and initially for the design of the second-generation Australian domestic satellites. We found that our methods, and especially those relating to mutual coupling, were accurate compared with measurement. Through detailed computer modelling, we demonstrated that an expensive prototype development stage, which was then used throughout the satellite industry, could be eliminated. As a result, satellite development time and costs were reduced. Work on computational techniques for the satellite industry and radio astronomy occupied a significant part of my subsequent research career. Some of the methods developed during that time, and improved upon, are given in this book for the first time including recent work on coupling between metahorns. These topics as well as student collaboration on wire and microstrip antennas have found a place in this book along with topics contributed by wellknown international researchers. It is hoped that the topics selected for this book becomes worthwhile reference material for researchers and engineers in the future.