文档介绍：ic Wave Propagation, Radiation, and Scattering UBIi: 83UEK1701 <17+>O.,J ?? Akira Ishimaru Department of Electrical Engineering University of Washington Seattle, Washington PRENTICE HALL Englewood Cliffs, New Jersey 07632 llbrarv of Congress Cataloging-In-Publication Data Ishillaru, Aklra lc wave propagation, radiatiOn, and scattering I Aklra IshllJaru. p. CII. Includes bibliographical references and Index. ISBN 0-18-249058-6 1. lc waves--. 2. lc waves--SCattering. I. Title. OC665. T7I74 1991 --dc20 90-7645 Editorial/production supervision and interior design: Kathleen SchiGpareUi Manufacturing buyer: Unda Behrens/Patrice io ? 1991 by Prentice-Hall, [nco CIP To A Division of Simon & Schuster Englewood Cliffs, New Jersey 07632 All rights reserved. No part of this book may be reproduced, in any form or by any means, without permission in writing from the publisher. Joyce, Karen, Jim, Jane, Katie, Chuck, John, and Printed in the United States of America 10 9 8 7 6 5 4 3 2 ISBN 0-13-249053-6 Prentice-Hall International (UK) Limited, London Prentice-Hall of Australia Pty. Limited, Sydney Prentice-Hall Canada Inc., Toronto Prentice-Hall Hispanoamericana, ., Mexico Prentice-Hall of India Private Limited, New Delhi Prentice-Hall of Japan, Inc., Tokyo Simon & Schuster Asia Pte. Ltd., Singapore Editora Prentice-Hall do Brasil, Ltda., Rio de Janeiro Yuko Contents PREFACE xv;; 1 INTRODUCTION 1 2 FUNDAMENTAL FIELD EOUATIONS 5 2-1 Maxwell's Equations 5 2-2 Time-Harmonic Case 8 2-3 Constitutive Relations 9 2-4 Boundary Conditions l3 2-5 Energy Relations and Poynting Theorem 15 2-6 Vector and Scalar Potentials 18 2-7 Electric Hertz Vector 20 2-8 Duality Principle and Symmetry of Maxwell's Equations 21 2-9 ic Hertz Vector 22 2-10 Uniqueness Theorem 23 2-ll Reciprocity Theorem 24 iii iv 2-12 Acoustic Waves 26 Problems 29 3 WAVES IN INHOMOGENEOUS AND LAYERED MEDIA 3-1 Wave Equation for a Time-Harmonic Case 31 3-2 Time-Harmonic Plane-Wave Propagation in Homoge