August 2012
Intermediate to advanced
360 pages
10h 14m
English
Content preview from RF and Microwave Engineering: Fundamentals of Wireless CommunicationsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 2
Electromagnetic Fields and Waves
In this chapter we will recall the basic electric and magnetic field quantities. We start with the static—non time-varying—case and highlight the relation between electromagnetic field quantities and circuit variables like voltage and current. A full description of time-varying electromagnetic fields is given by Maxwell's equations in combination with additional boundary conditions. Finally we discuss important solutions of Maxwell's equations that are necessary for the understanding of high-frequency behaviour of technical components like transmission lines and antennas.
Our discussion on electromagnetic theory is limited to fundamental aspects. More detailed treatments on this topic can be found in [1–6].
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