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Full Description
Given that charge acceleration is the cause of all electromagnetic radiation, the question arises about where such acceleration occurs on objects typically modelled and analysed by electromagnetic engineers. Charge acceleration, as the cause of radiation from these typical kinds of objects (antennas, radars etc) is examined in this book on a quantitative basis.
The book describes new ways of modelling the actual distribution of EM radiation waves from its various sources. Unlike other books on EM it focuses on radiation, a fundamental property of electromagnetic fields, it does not follow the usual analytical kind of approach to be found in a book on electromagnetics. Rather than developing and presenting a formal theoretical foundation of electromagnetic theory, this book instead focuses on various aspects of EM radiation from a variety of perspectives.
The goal is to provide the reader with computational tools for determining quantitatively why and where radiation is emitted by antennas and scatterers. This is a unique approach which is of wide interest to the EM theoretical community.
Contents
Chapter 1: Overview
Chapter 2: The electric-field kink model of electromagnetic radiation
Chapter 3: Charge-acceleration and radiation from a generic wire object
Chapter 4: Time-domain electromagnetic-field energy measures
Chapter 5: Radiation-loss dependence of a circular loop antenna on its circumference and wire radius
Chapter 6: Differentiating the on-surface Poynting vector of a wire to determine its radiation loss
Chapter 7: Time-domain far-field analysis of radiation sources and TWTD
Chapter 8: Frequency-domain far-field analysis of radiation sources and NEC
Chapter 9: Time-domain FARS and frequency-domain FARS compared
Chapter 10: The radiation properties of some specified currents
Chapter 11: The incremental FARS (IFARS) and incremental IEMF (IIEMF) methods
Chapter 12: The Schelkunoff-Feldman radiation resistance
Chapter 13: Radiation from a near-zero-radius dipole and a sinusoidal current filament
Chapter 14: The pattern rank and spatial radiation distribution of radiation emitted by a sinusoidal current filament
Appendix A: The thin-wire time-domain (TWTD) computer code
Appendix B: The Numerical Electromagnetics Code (NEC)
Appendix C: Notation
