Electromagnetic Waves 2. Pierre-Noël Favennec
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Table of Contents
1 Cover
4 Preface
5 1 General Information on Antennas 1.1. Definition, context, and regulation1 1.2. Propagation and radiation 1.3. Antenna and sensor 1.4. Theorems and important principles of electromagnetism8
6 2 Fundamental Equations Used in Antenna Design 2.1. Formulations of Maxwell’s equations to calculate the radiation of electromagnetic sources1 2.2. Boundary conditions between two media6 2.3. Vector potential7 2.4. Propagation equation for fields and 9 2.5. Solving the Helmholtz equations for the vector and scalar potentials 2.6. Harmonic form of Maxwell’s equations11 2.7. Physical interpretation of the Poynting theorem12 2.8. Polarized wave14 2.9. Calculating the electromagnetic field radiated by an antenna15 2.10. Aperture antenna16
7 3 Different Antenna Technologies 3.1. Horns1 3.2. Coaxial cables and input guides in antennas2 3.3. Supply to antennas, reference access, impedance matching and balun5 3.4. Reflector antennas6 3.5. Printed antennas7 3.6. Reference wire antennas9 3.7. Quality factor and frequency bandwidth10 3.8. Miniaturization11
8 4 Characteristic Parameters of an Antenna 4.1. Characteristic parameters of an antenna1 4.2. Link budget 4.3. Power and noise temperature3 4.4. Quality factor Q = G/T
9 5 Digital Methods 5.1. Introduction to digital methods1 5.2. General remarks on EMC methods
10 Appendix 1: Mathematical Formulae1 A1.1. Trigonometric transformation equations A1.2. Series developments
11 Appendix 2: Vector Calculations A2.1. Vectors in coordinate systems A2.2. Vector operators A2.3. Integral transform theorems A2.4. Fundamental relations
12 Appendix 3: Frequency Spectrum1 A3.1. Introduction A3.2. The different frequency ranges
13 Appendix 4: The Decibel A4.1. Introduction A4.2. Definition A4.3. The different variants A4.4. Decibel operations A4.5. Correlation table A4.6. Particular values
14 Appendix 5: The International Visibility Code
15 List of Acronyms and Constants
16 References
18 Index
List of Illustrations
1 PrefaceFigure P.1. A wave bath envisaged by Michel Urien1
2 Chapter 1Figure 1.1. Total zenith attenuation