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BOOK EXCERPT:
Describes how to systematically implement various characteristic mode (CM) theories into designs of practical antenna systems This book examines both theoretical developments of characteristic modes (CMs) and practical developments of CM-based methodologies for a variety of critical antenna designs. The book is divided into six chapters. Chapter 1 provides an introduction and discusses the recent advances of the CM theory and its applications in antenna engineering. Chapter 2 describes the formulation of the characteristic mode theory for perfectly electrically conducting (PEC) bodies and discusses its numerical implementations. Chapter 3 presents the CM theory for PEC structures embedded in multilayered medium and its applications. Chapter 4 covers recent advances in CM theory for dielectric bodies and also their applications. Chapter 5 discusses the CM theory for N-port networks and its applications to the design of antenna arrays. Finally, Chapter 6 discusses the design of platform-integrated antenna systems using characteristic modes. This book features the following: Introduces characteristic mode theories for various electromagnetic structures including PEC bodies, structures in multilayered medium, dielectric bodies, and N-port networks Examines CM applications in electrically small antennas, microstrip patch antennas, dielectric resonator antennas, multiport antennas, antenna arrays, and platform mounted antenna systems Discusses numerical algorithms for the implementation of the characteristic mode theories in computer code Characteristic Modes: Theory and Applications in Antenna Engineering will help antenna researchers, engineers, and students find new solutions for their antenna design challenges.
Product Details :
Genre |
: Technology & Engineering |
Author |
: Yikai Chen |
Publisher |
: John Wiley & Sons |
Release |
: 2015-05-19 |
File |
: 291 Pages |
ISBN-13 |
: 9781119038894 |
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BOOK EXCERPT:
A theory of characteristic modes for conducting bodies is developed starting from the operator formulation for the current. The mode currents form a weighted orthogonal set over the conductor surface, and the mode fields form an orthogonal set over the sphere at infinity. It is shown that the modes are the same ones introduced by Garbacz to diagonalize the scattering matrix of the body. Formulas for the use of these modes in antenna and scatterer problems are given. A procedure for computing the characteristic modes for bodies of arbitrary shape is developed, and applied to conducting bodies of revolution and to wire objects. Illustrative examples of the computation of characteristic currents and characteristic fields are given for a cone-sphere, a disk, and a wire arrow. Modal solutions using these modes are computed for representative antenna and scattering problems to illustrate convergence of the solution as the number of modes is increased. For electrically small and intermediate size bodies, only a few modes are needed to characterize the electromagnetic behavior of the body. (Author).
Product Details :
Genre |
: Electric conductivity |
Author |
: Roger F. Harrington |
Publisher |
: |
Release |
: 1970 |
File |
: 74 Pages |
ISBN-13 |
: UOM:39015095134279 |
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BOOK EXCERPT:
Vols. for 1847-1963/64 include the Institution's Report of the Secretary, also published separately.
Product Details :
Genre |
: Science |
Author |
: Smithsonian Institution. Board of Regents |
Publisher |
: |
Release |
: 1898 |
File |
: 924 Pages |
ISBN-13 |
: SRLF:A0005999115 |
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Product Details :
Genre |
: |
Author |
: USA Congress House of Representatives |
Publisher |
: |
Release |
: 1898 |
File |
: 926 Pages |
ISBN-13 |
: BSB:BSB11799871 |
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Product Details :
Genre |
: |
Author |
: Boston (Mass.). School Committee |
Publisher |
: |
Release |
: 1890 |
File |
: 450 Pages |
ISBN-13 |
: MINN:31951000856568F |
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BOOK EXCERPT:
Product Details :
Genre |
: Education |
Author |
: Boston (Mass.). School Committee |
Publisher |
: |
Release |
: 1890 |
File |
: 692 Pages |
ISBN-13 |
: MINN:31951000856593G |
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Product Details :
Genre |
: Scotland |
Author |
: |
Publisher |
: |
Release |
: 1878 |
File |
: 798 Pages |
ISBN-13 |
: PSU:000066905851 |
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Product Details :
Genre |
: Logic |
Author |
: Christoph Sigwart |
Publisher |
: |
Release |
: 1895 |
File |
: 600 Pages |
ISBN-13 |
: UCAL:B3447703 |
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Product Details :
Genre |
: Mechanism (Philosophy) |
Author |
: Hermann Lotze |
Publisher |
: |
Release |
: 1894 |
File |
: 756 Pages |
ISBN-13 |
: UCR:31210000742088 |
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BOOK EXCERPT:
Product Details :
Genre |
: Child development |
Author |
: James Mark Baldwin |
Publisher |
: |
Release |
: 1894 |
File |
: 528 Pages |
ISBN-13 |
: UCAL:$B17196 |