Field and Wave Electromagnetics

Detailed Summary of the Book

The book begins with a deep dive into electrostatics and magnetostatics, introducing the fundamental laws of Coulomb, Gauss, Ampere, and Faraday that form the basis of electromagnetic field theory. These laws are discussed in both their integral and differential forms, helping readers to develop a robust mathematical understanding of electromagnetic fields. The emphasis on vector calculus throughout the text ensures that readers can seamlessly transition between the physical phenomena and their mathematical representations.

As the book progresses, it evolves into the dynamic nature of electromagnetic waves, described by Maxwell's equations. These equations are the cornerstone of classical field theory, linking the static and time-varying fields into a unified framework. Cheng explores topics such as electromagnetic wave propagation, wave polarization, and wave reflection/refraction in various media, offering a comprehensive understanding of how electromagnetic waves behave in practical scenarios.

One of the hallmarks of this book is its practical orientation. Advanced topics such as transmission lines, waveguides, and antenna theory are presented with clear discussions and illustrated with a variety of solved problems. Engineering applications are woven into the narrative, including power transmission, signal propagation, and communication systems, ensuring the reader understands the real-world implications of the theory.

Key Takeaways

• Develops a solid foundation in electrostatics, magnetostatics, and electrodynamics, enabling readers to tackle advanced problems with confidence.
• Provides a comprehensive understanding of how Maxwell's equations unify static and dynamic electromagnetic fields.
• Bridges theory and practice through numerous solved problems, numerical examples, and real-world engineering applications.
• Ensures mastery over critical concepts like wave polarization, transmission line theory, wave propagation, and boundary conditions.
• Introduces advanced topics like waveguides and antennas, making it a versatile resource for engineers and researchers alike.

Famous Quotes from the Book

"Electromagnetic fields and waves permeate every aspect of our modern technological society. Understanding their behavior is both an intellectual pursuit and a practical necessity."

"Maxwell's equations allow us to unify static and time-varying fields into a single, elegant framework—bringing clarity to the complexities of electromagnetics."

Why This Book Matters

"Field and Wave Electromagnetics" stands out as a definitive resource for understanding the principles of electromagnetics. Its importance lies not merely in its structured presentation but also in how it bridges the gap between theoretical foundations and engineering applications. The book's emphasis on problem-solving teaches readers to apply mathematical tools to real-life scenarios, whether they are designing antenna systems, studying signal propagation, or working on power systems.

For students, this book offers a clear exposition of core principles that are crucial for success in fields like electrical engineering and physics. For industry professionals, it serves as a valuable reference guide for tackling complex challenges in systems design and analysis. Its consistent use of examples, rigorous explanations, and intuitive approach make it a must-have in the library of anyone seeking expertise in electromagnetics.

In a world driven by technological innovation, an understanding of electromagnetic theory is more relevant than ever. From wireless communication to energy transmission, this book empowers readers to contribute meaningfully to cutting-edge developments in science and engineering.