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Dynamic Electromagnetics

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ISBN-10: 0023287608

ISBN-13: 9780023287602

Edition: 2000

Authors: Paul Diament

List price: $172.00
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This exciting new book was designed for a one semester first course in electromagnetics for engineers and physicists. It represents a significant departure from the traditional format of electromagnetics textbooks. In recognition of the importance of dynamics, it deemphasizes electrostatics and magnetostatics, and avoids the need to teach partial differential equations and special functions. Instead, it stresses time variation and wave propagation phenomena. Mathematics used is at the level of elementary integral calculus. Instead of statics, time variation is treated from the start. The focus is on wave propagation, with transmission lines, both transient and steady state, treated in…    
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Book details

List price: $172.00
Copyright year: 2000
Publisher: Prentice Hall PTR
Publication date: 12/28/1999
Binding: Hardcover
Pages: 511
Size: 7.00" wide x 9.25" long x 0.75" tall
Weight: 1.936
Language: English

Preface
Gauss's Law, Surface Integrals, and Electric Fields
Motivation
Field concept
Definition of field
Electric field
Effect of the medium
Flux of vector field
Gauss's law
Determination of field from flux
Point charge
Coulomb's law
Superposition of fields
Summary
Problems
Ampere's Law, Line Integrals, and Magnetic Fields
Magnetic field
Effect of the medium
Magnetomotive force
Ampere's law
Determination of field from current
Current and current density
Conservation of charge
Magnetic field of semi-infinite filament
Current element
Superposition of fields
Biot-Savart law
Current element as dipole flow source
Summary
Problems
Emf, Field Dynamics, and Maxwell's Equations
Electromotive force
Ohm's law
Electric power density
Faraday-Maxwell law
How Ampere's law fails
Ampere-Maxwell law
Types of current
Magnetic field of a moving charge
Gauss's magnetic law
Boundary conditions
Extraordinary boundary conditions
Summary of boundary conditions and effects of conductivity
Superconductors, plasmas, and space charge
Summary
Problems
Maxwell's Equations and Quasistatic Analysis
Field equations
Maxwell's equations
Quasistatic fields
Surprises for circuit analysts
Systematic quasistatic analysis
Normal modes
Cylindrical cavity
Fields in a wire
Microstrip lines
Summary
Problems
Transmission Lines, Time Delay, and Wave Propagation
Transmission line parameters
Transmission line equations
Quasistatic analysis of transmission line
Summation of series
Interpretation: matched line
Interpretation: waves
Mismatched line
Incident and reflected waves
Summary
Problems
Steady-State Wave Transmission and Plane Waves
Sinusoidal steady state
Complex exponentials
Sinusoidal waves
Transmission lines in the steady state
Power transfer
Plane waves
Wave designators
Sinusoidal plane waves
Polarization
Linear and circular polarization
Optically active media
Incident and reflected plane waves
Source of plane waves
Load impedances for plane waves
Summary
Problems
Impedance Matching Techniques and Oblique Waves
Standing waves
Impedance measurement and standing wave ratio
Impedance matching with a tuning stub
Smith chart
Reflection at a mirror
Antireflection coating
Oblique incidence
Oblique waves as nonuniform transverse waves
Snell's laws
Transverse electric and transverse magnetic polarizations
Brewster's angle
Failure of Snell's law
Reactive impedances
Total internal reflection
Significance for dielectric waveguides
Reflection at grazing incidence
Summary
Problems
Poynting Theorems and Lossy Transmission Lines
Poynting theorem
Interpretation
Coaxial line
Complex Poynting theorem
Interpretation
General transmission lines
Solution to general transmission line equations
Interpretation
Plane waves in conductors
Summary
Problems
Waveguiding and Radiating Structures
Parallel-plate transmission line
Waveguides
Separation of variables
TE and TM modes
Interpretation of waveguide modes
Wave dispersion and group velocity
Antennas and radiation
Antenna terminology
Summary
Problems
Review, Epilogue, and Appendix
Review of concepts
Vistas ahead
Appendix
Complex numbers
Coordinate systems
Vector algebra
Dyadics
Vector differential calculus
Differential operations in various coordinate systems
Vector integral calculus
Fourier transforms
Convolution
Decibel scale
Problems
Answers to Problems
Index