Lens Candidates to Antenna Array
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Igor V. Minin · Oleg V. Minin
Basic Principles of Fresnel Antenna Arrays
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Igor V. Minin Novosibirsk State Technical University Dept. Information Protection Prospekt Karla Marksa 20 Novosibirsk Russia 630092 [email protected]
ISBN: 978-3-540-79558-2
Oleg V. Minin Novosibirsk State Technical University Dept. Information Protection Prospekt Karla Marksa 20 Novosibirsk Russia 630092 [email protected]
e-ISBN: 978-3-540-79559-9
Library of Congress Control Number: 2008927519 c 2008 Springer-Verlag Berlin Heidelberg This work is subject to copyright. All rights are reserved, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilm or in any other way, and storage in data banks. Duplication of this publication or parts thereof is permitted only under the provisions of the German Copyright Law of September 9, 1965, in its current version, and permission for use must always be obtained from Springer. Violations are liable to prosecution under the German Copyright Law. The use of general descriptive names, registered names, trademarks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. Cover design: eStudio Calamar S.L. Printed on acid-free paper 9 8 7 6 5 4 3 2 1 springer.com
Dedicated to the father, friend and colleague, all in one, and equally to our mother. Without their help and support, this book would never have been written.
Foreword
The interest in Fresnel antennas has been growing steadily since the late 1980s. The simple but ingenious Fresnel zone concept has been extended greatly and exploited to create different types of Fresnel zone antennas including the offset Fresnel zone antennas, the phase correcting Fresnel lenses and zone plate antennas, and reflect arrays. This is primarily driven by the increasing demand on low-cost, low-profile, and high-gain antennas. I know Professor I. Mimin and Professor O Mimin “over the net” since early 1990s, and I have always been impressed by their untiring effort to pursue various new ideas related to Fresnel zone diffraction and Fresnel zone antennas. It is encouraging to see the publication of their new book, “Basic Principles of Fresnel Antenna Array,” which covers the research on Fresnel antenna arrays. For a given antenna aperture, employing an array of Fresnel antennas as opposed to a single one can reduce the distance between the feed and the aperture, thereby reducing the profile of the overall system. On the other hand, a feed network is required to connect all the feeds, and the losses in the feed network need to be managed. It is expected the book will attract more interest in Fresnel zone antennas and stimulate new ideas on this fascinating subject. Dr. Y. Jay Guo Clayton South, VIC
Foreword
This work is an important addition to the field of array antennas. It also exten
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