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Thin Impedance Vibrators: Theory and Applications 2011 ed. [Hardback]

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  • Formāts: Hardback, 107 pages, height x width: 235x155 mm, weight: 529 g, XIII, 107 p., 1 Hardback
  • Sērija : Lecture Notes in Electrical Engineering 95
  • Izdošanas datums: 04-Feb-2011
  • Izdevniecība: Springer-Verlag New York Inc.
  • ISBN-10: 1441978496
  • ISBN-13: 9781441978493
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Thin Impedance Vibrators: Theory and Applications 2011 ed.Palielināt
  • Formāts: Hardback, 107 pages, height x width: 235x155 mm, weight: 529 g, XIII, 107 p., 1 Hardback
  • Sērija : Lecture Notes in Electrical Engineering 95
  • Izdošanas datums: 04-Feb-2011
  • Izdevniecība: Springer-Verlag New York Inc.
  • ISBN-10: 1441978496
  • ISBN-13: 9781441978493
Citas grāmatas par šo tēmu:
Permanent link: https://www.kriso.lv/db/9781441978493.html
Keywords:
The book explores the foundations of the theory of thin impedance vibrator antennas, and their uses, aiming to widen the boundaries of the impedance vibrator antennas application in complex modern radio-and-electronic systems and devices.

The book is devoted to exploring the foundations of the theory of thin impedance vibrator antennas. The text provides a continuation of the classic theory of thin perfectly conducting vibrators. Many consider impedance conception one of the most universal models in the theory of wave processes, as it informs such a wide spectrum of uses in solving practical problems of electrodynamics. This topic provides an opportunity to further search analytical solutions, allowing a simplification of the mathematical formulation of the boundary problem. The theory strives to widen the boundaries of the impedance vibrator antennas application in complex modern radio-and-electronic systems and devices. The results of much original research conducted by the authors will be useful for practicing engineers and designers of antenna and waveguide systems.The book is written in an academic style, and can be used to teach students and post graduates about radiotechnical and radiophysical specialities. The conclusion of the book lists many actual applied problems, which can provide inspiration for several potential PhD projects.Topics covered in this book are:.general questions of the theory of impedance vibrators in the spatial-frequency representation.electromagnetic waves radiation by impedance vibrators in free space and material mediums.electromagnetic waves radiation by impedance vibrators in material mediums over the perfectly conducting plane.electromagnetic waves scattering by irregular impedance vibrators in free space.generalized method of induced electromotive forces for investigation of the characteristics of impedance vibrators.radiation of electromagnetic waves by radial impedance vibrators on the perfectly conducting sphere.electromagnetic waves scattering by impedance vibrators in the rectangular waveguide

Recenzijas

From the reviews:

The presented method is meant to improve and widen the application of vibrator antennas, taking into account their mobility and reliability in various nonstandard environments, and to offer suggestions for further research in this field. this book is a valuable literature on the state-of-the-art in the theory of thin impedance vibrators not only to professional researchers but also for graduate students in this field. (Vladimir ade, Zentralblatt MATH, Vol. 1243, 2012)

1 General Questions of the Theory of Impedance Vibrators in the Spatial-Frequency Representation
1(20)
1.1 Problem Formulation and Initial Integral Equations
1(3)
1.2 Green's Function as the Kernel of Integral Equations
4(3)
1.3 Integral Equations for a Current on Thin Impedance Vibrators
7(2)
1.4 Approximate Analytical Methods for the Solution of Integral Equations
9(6)
1.4.1 Series Expansion Technique
10(3)
1.4.2 Successive Iterations Method
13(2)
1.5 Averaging Method
15(4)
References
19(2)
2 Radiation of Electromagnetic Waves by Impedance Vibrators in Free Space and Material Medium
21(36)
2.1 Asymptotic Solution of Integral Equations for Vibrator Current in Free Space
21(3)
2.2 Vibrator Excitation in the Center by Concentrated EMF
24(20)
2.2.1 Impedance Vibrator with Lumped Load in the Center
37(1)
2.2.2 Surface Impedance of Thin Vibrators
38(3)
2.2.3 Resonant Properties of Impedance Vibrators in Free Space
41(3)
2.3 Impedance Vibrators in an Infinite Homogeneous Lossy Medium
44(3)
2.4 Radiation Fields of Impedance Vibrators in Infinite Medium
47(9)
References
56(1)
3 Radiation of Electromagnetic Waves by Impedance Vibrators in Material Medium over a Perfectly Conducting Plane
57(36)
3.1 Horizontal Impedance Vibrator in a Semi-infinite Material Medium
58(9)
3.2 Systems of Crossed Impedance Vibrators in a Semi-infinite Material Medium
67(18)
3.2.1 Comparison of Numeric Calculations Obtained by Analytical Solution and the Finite Elements Method
81(4)
3.3 Formation of the Radiation Field with Specified Spatial-Polarization Characteristics by a System of Crossed Impedance Vibrators
85(8)
References
90(3)
4 Electromagnetic Waves Scattering by Irregular Impedance Vibrators in Free Space
93(20)
4.1 Impedance Vibrators with Variable Radius
93(7)
4.2 Vibrators with Variable Surface Impedance
100(11)
4.2.1 Solution of the Equation for Current by the Averaging Method
100(2)
4.2.2 Solution of the Equation for Current by the Induced EMF Method
102(6)
4.2.3 Choice of the Approximating Functions for the Vibrator Current
108(3)
References
111(2)
5 Generalized Method of Induced EMF for Investigation of the Characteristics of Impedance Vibrators
113(42)
5.1 Problem Formulation and Solution
113(3)
5.2 Impedance Vibrators with Arbitrary Excitation Point
116(17)
5.3 Vibrator with Symmetric and Antisymmetric Components of Surface Impedance in Free Space
133(5)
5.4 System of Impedance Vibrators in Free Space
138(16)
References
154(1)
6 Radiation of Electromagnetic Waves by Radial Impedance Vibrators on a Perfectly Conducting Sphere
155(14)
6.1 Problem Formulation and Initial Integral Equations
156(1)
6.2 Solution of the Equation for Current by the Successive Iterations Method
157(5)
6.3 Radiation Fields of the Radial Impedance Vibrator on a Perfectly Conducting Sphere
162(2)
6.4 Numerical Results
164(3)
References
167(2)
7 Electromagnetic Waves Scattering by Impedance Vibrators in a Rectangular Waveguide
169(30)
7.1 Vibrators with Constant Surface Impedance in Single-Mode and Below-Cutoff Rectangular Waveguides
169(15)
7.1.1 Problem Formulation and Solution by the Averaging Method
169(2)
7.1.2 Current Distribution and Scattering Fields of Impedance Vibrators in a Waveguide
171(6)
7.1.3 Resonant Properties of Impedance Vibrators in Single-Mode and Below-Cutoff Waveguides
177(7)
7.2 Vibrators with Variable Surface Impedance in a Rectangular Waveguide
184(4)
7.2.1 Problem Formulation and Solution by the Method of Induced EMF
185(3)
7.2.2 Numerical Results
188(1)
7.3 Impedance Vibrators of Variable Radius in a Rectangular Waveguide
188(7)
7.3.1 Problem Formulation and Solution by the Method of Induced EMF
192(2)
7.3.2 Numerical Results
194(1)
7.4 Original Aspects of Experimental Investigations
195(3)
References
198(1)
Conclusion 199(2)
Appendix A Electric Dyadic Green's Functions of the Considered Electrodynamic Volumes 201(4)
Appendix B Basics of the Method of Moments 205(4)
Appendix C Generalized Integral Functions 209(4)
Appendix D Series Summation in the Function of the Self-Field of a Vibrator in a Rectangular Waveguide 213(4)
Appendix E Electromagnetic Values in the CGS and SI Systems of Units 217(4)
Index 221