Page 184 - Maxwell House

164 Chapter 4

Chapter Contents

Introduction 165 4.2 RADIATION OF
ELECTROMAGNETIC
4.1 WAVE AND WAVES 179
HELMHOLTZ’s 4.2.1 Introduction 179
EQUATIONS 165 4.2.2 Radiation EM Waves by
4.1.1 Wave Equation for Electric Infinitesimal Current
and Magnetic Vectors in Element 179
Space-Time Domain 165
4.1.2 Wave Equation in Space- 4.3 ELEMENTARY
Frequency Domain. RADIATORS 182
Wavenumber 167 4.3.1 Electric and Magnetic
4.1.3 Electrodynamic Potentials Fields Emitted by
in Space-Time Domain 168 Infinitesimal Current
4.1.4 Is It Vector and Scalar Element 182
Potentials are Real? 169 4.3.2 Electrically Small Current
4.1.5 Symmetry of Maxwell’s Loop 184
Equations and 4.3.3 Loop Antenna as Magnetic
Principle of Duality. Dipole 187
Electrodynamic Potentials 4.3.4 Huygens' Principle and
for Magnetic Sources 170 Huygens’ Radiator 189
4.1.6 Electrodynamic Potentials
in Space-Frequency 4.4 SKIN EFFECT 191
Domain 171 4.4.1 Skin Effect in Conductive
4.1.7 Green’s Function for Materials. Impact of
Static Fields for Surface Roughness 191
Unbounded Space 171 4.4.2 Surface Resistivity 193
4.1.8 Wave Equation. One- 4.4.3 Conclusion 193
Dimensional Unbounded
Space 172 REFERENCES 194
4.1.9 General Solution of Wave
Equations and Green’s
Function 176
4.1.10 Potentials and Green’s
Function in Space-
Frequency Domain 177