Wave and antenna

Author: Yu Hua
Publisher:
Publish Date: 2003-01-01
Features: With the rapid development of electrical and electronic technologies, especially the continuous improvement of computer operating speeds and communication transmission rates, the number of power electronic devices is constantly increasing, and their technical performance is also continuously enhancing. This requires electronic engineers to possess a broad theoretical knowledge of electromagnetism. The content of electromagnetic fields is the foundation of electromagnetism theory, making it extremely important. "Electromagnetic Waves and Antennas" is a crucial technical foundation course for students majoring in communication and electronic engineering. Due to its somewhat abstract nature, learners find it difficult to fully grasp the material. Additionally, the understanding and application of many concepts and technologies are based on comprehending and mastering certain formulas, further increasing the learning difficulty. However, if these contents are not thoroughly mastered, it will hinder the study of other related courses (such as communication, microwave technology, and television technology), making this course indispensable. This book takes a practical approach, focusing on the selection of content and highlighting the practical aspects of knowledge and technology, reflecting the distinctive feature of cultivating practical talent. During the writing process, considering the students' basic level and acceptability, abstract theories are supplemented with concrete examples as much as possible. Furthermore, based on the market economy and modern production realities, the knowledge of electricity, magnetism, electromagnetic waves, and antennas is expanded and enriched.
This book primarily introduces the propagation laws of electromagnetic waves and the working principles of antennas, covering almost all knowledge related to electricity, magnetism, and electromagnetic wave propagation. The content is concise, with key points emphasized, and is supplemented with numerous illustrations to aid in explanation, aiming to help beginners with intermediate or above education levels master this knowledge. The book is divided into four chapters. The main chapters are: Chapter 1, Overview; Chapter 2, Electromagnetic Fields; Chapter 3, Formation and Propagation of Electromagnetic Waves; Chapter 4, Antennas. This book emphasizes practicality and can serve as a textbook or reference for college and vocational school students. It is also suitable for correspondence courses or self-study. Additionally, it holds certain reference value for researchers engaged in electromagnetism and for teachers at college and vocational schools.