Ramo Fields And Waves In Communication Electronics
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This text is targeted at engineers and physicists with an undergraduate background in physics and engineering, as well as graduate students. It is a hands-on approach to electromagnetic wave propagation and antenna theory. Because it is based on the standard methods of electromagnetic simulation, it is particularly well suited for those interested in learning the theoretical basis for RF and microwave analysis and design.
This book is not intended to be a substitute for a formal course in wave propagation or antenna theory, nor is it a text for graduate students. The reader should be familiar with the concepts of classical electromagnetism. For those interested in learning about this subject, I recommend the books Applied Electromagnetics by G.W. Nye, and Reflections in Optics, and Elementary Electromagnetics: A Basic Course.
The material in this course is based on the standard methods of electromagnetic simulation, and it is straightforward to use the material for design purposes. However, it is also intended to open the reader’s eyes to the variety of applications and techniques for modelling and simulating electromagnetic wave propagation, reflection and transmission. The readers who successfully complete the material will be able to apply the techniques to practical design problems.
Dynamics and Mechanics of Waves II (DMW II) - In this course we will examine the propagation and application of wave phenomena in complex media, including fluids, solids, and gases. We will cover both the phenomena and the theoretical models of wave propagation in these media. The materials covered will include the basics of waves, dispersion, wave propagation and quantization effects. Special attention will be paid to the fundamental laws of wave propagation in materials. The wave phenomenon of interest in this course includes light, sound, elastic waves, electromagnetic waves and rf waves. The course will also cover how we measure and model the propagation of these waves in three dimensions, along with the important fundamentals of how we can create and control waves, such as using materials that are either transparent or opaque, or which have different electrical and mechanical properties compared to their surroundings. A typical application of these ideas would be to examine how different materials can be arranged to produce a waveguide and how we can use such a waveguide to control the wave in a desired manner. We will also talk about the exciting and challenging physics that is coming out of the analysis of wave propagation at the nanoscale, both on the physical and the engineering sides of the studies. These studies are underway in the group of Professor Feng Zhang. Some examples include the quantization of plasmons and the study of metamaterials.
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