The Electromagnetic Field in a Rectangular Waveguide . Workshop No. 3 is a unique publication created by a team of authors, which will become an indispensable assistant for students, graduate students and specialists in the field of radio engineering and electromagnetic fields. This workshop addresses key aspects of theory and practice related to the propagation of electromagnetic waves in rectangular waveguides, making it relevant for anyone seeking to deepen their knowledge in this challenging but fascinating field. The book is the third volume of the workshop, which logically continues previous editions, offering readers not only theoretical foundations, but also practical tasks that will help to consolidate the knowledge gained. Each section of the book is built in such a way that the reader can gradually immerse himself in the topic, starting with the basics and ending with more complex concepts. This allows both beginners and experienced professionals to find useful information in the book . The book covers a wide range of issues related to electromagnetic fields, their properties and behavior in various conditions. Readers will be able to learn about the principles of rectangular waveguides, their design features, as well as methods of analysis and modeling of electromagnetic processes. Particular attention is paid to practical aspects, which makes the book especially valuable for those who are engaged in experimental work or designing radio frequency devices. Who can like this book? First of all, it will be of interest to students of technical specialties studying radio engineering, physics and electronics . The workshop will also be useful for graduate students and young scientists who are engaged in research in the field of electromagnetic fields. Engineers and specialists working in the field of development and testing of radio frequency components will also find a lot of relevant and useful materials in the book. One of the key topics raised in the book is the importance of understanding electromagnetic processes for the development of modern technologies. With the rapid development of wireless communication, radar systems and other high-tech devices, knowledge of the basics of electromagnetic theory becomes not just useful, but necessary. The Electromagnetic Field in a Rectangular Waveguide . Workshop No. 3 helps readers not only to master the theory, but also to put it into practice, which makes it especially valuable in the educational process. The style of the authors is distinguished by clarity and accessibility of the presentation, which makes it easy to assimilate even the most complex concepts. They use many illustrations and examples, which makes the material more clear and understandable. This approach contributes to a deeper understanding of the topic and helps to avoid common errors in the study of electromagnetic fields. If you are looking for literature that will help you understand the intricacies of working with waveguides and electromagnetic fields, then "Electromagnetic field in a rectangular waveguide. Workshop No. 3” will be an excellent choice . This publication will not only expand your knowledge, but also inspire new research and discoveries in the field of radio engineering. Do not miss the opportunity to plunge into the world of electromagnetic waves and discover new horizons of science!