E-book

# Practical Electromagnetics: From Biomedical Sciences to Wireless Communication

ISBN: 978-0-470-05419-2
520 pages
November 2006

## Description

Learn to solve both simple and complex electromagnetic problems with this text’s unique integration of theoretical and mathematical concepts. With the author’s guidance, you’ll discover a broad range of classic and cutting-edge applications across a wide array of fields, including biomedicine, wireless communication, process control, and instrumentation. Case studies, detailed derivations, and 170 fully solved examples deepen your understanding of theory, and help you apply numerical methods to real-world problems.
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Preface.

1. INTRODUCTION.

1.1 Electrical sources and fundamental quantities.

1.2 Static and dynamic fields.

1.3 Working with complex numbers and functions.

2. VECTORS AND FIELDS.

2.1 Working with vectors.

2.2 Coordinate systems.

2.3 Differentiation and integration of vectors.

2.4 Gradient of the scalar field and its applications.

2.5 Divergence of the vector field and its applications.

2.6 Curl of the vector field and its applications.

2.7 The divergence theorem.

2.8 Stokes’ theorem. Δ.

2.9 Other operations involving

2.10 Helmholtz theorem.

3. BASIC LAWS OF ELECTROMAGNETICS.

3.1 Maxwell’s equations in large scale/integral form.

3.2 Maxwell’s equations in point/differential form.

3.3 Constitutive relations.

3.4 Boundary conditions.

3.5 Lorentz force equation.

3.6 Poynting vector and power flow.

4. UNIFORM PLANE WAVES.

4.1 The wave equation and uniform plane wave solutions.

4.2 Plane electromagnetic waves in Lossy media.

4.3 Uniform plane wave incident normally on an interface.

4.4 Uniform plane wave incident obliquely on an interface.

5. TRANSMISSION LINES.

5.1 Transmission line equations.

5.2 Finite length transmission line.

5.3 Smith chart.

5.4 Transients on transmission lines.

6. MODIFIED MAXWELL'S EQUATIONS AND POTENTIAL FUNCTIONS.

6.1 Magnetic charge and current.

6.2 Magnetic vector and electric scalar potentials.

6.3 Electric vector and magnetic scalar potentials.

6.4 Construction of solution in rectangular coordinates.

6.5 Construction of solution in cylindrical coordinates.

6.6 Construction of solution in spherical coordinates.

7. SOURCE IN INFINITE SPACE.

7.1 Fields of an infinitesimal source.

7.2 Antenna parameters.

7.3 Linear antennas.

7.4 Antenna arrays.

7.5 Friis transmission formula and the radar range equation.

8. ELECTROSTATIC FIELDS.

8.1 Laws of electrostatic fields.

8.2 Gauss’ law.

8.3 Poisson’s and Laplace’s equations.

8.4 Capacitors and energy storage.

8.5 Further applications of Poisson’s and Laplace’s equations.

9. MAGNETOSTATIC FIELDS.

9.1 Laws of magnetostatic fields.

9.2 Inductors and energy storage.

9.3 Magnetic materials.

9.4 Magnetic Circuits.

10. WAVEGUIDES AND CAVITY RESONATORS.

10. 1 Metallic rectangular waveguide.

10. 2 Metallic circular cylindrical waveguide.

10.3 Rectangular cavity resonators.

10.4 Circular cylindrical cavity resonators.

11. NUMERICAL TECHNIQUES.

11.1 Finite difference methods.

11.2 The method of moments.

11.3 Scattering of plane EM waves from an infinitely long cylinder.

Appendix A. Mathematical formulas.

Appendix B. Delta function and evaluation of fields in unbounded media.

Appendix C. Bessel functions.

Appendix D. Legendre functions.

Appendix E. Characteristics of selected materials.

Appendix F. Physical constants.

Appendix G. Decibels and Neper.

Appendix H. Nomenclature and characteristics of standard rectangular waveguides.

SELECTED REFERENCE BOOKS .

Index.

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## Author Information

DEVENDRA K. MISRA, PhD, is Professor of Electrical Engineering at the University of Wisconsin-Milwaukee. Dr. Misra is a Senior Member of the IEEE and an Associate Editor of IEEE Transactions on Instrumentation and Measurement, and on the Editorial Board of Sensing and Imaging: An International Journal. He is also the author of Radio-Frequency and Microwave Communication Circuits: Analysis and Design (Wiley).
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## Reviews

"…a perfect, very good introductory work…" (CHOICE, August 2007)
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