Lecture

Radiation and Antennas: Dipoles

In course

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Description

This lecture covers the concept of ideal antennas, focusing on dipoles. It explains the radiation patterns, directivity, and impedance of wire antennas. The instructor discusses the geometry of dipoles, vector potential, and current distribution, emphasizing the source of radiation. The effective length of a half-wave dipole and its directivity are also explored, along with the concept of image theory for antennas on a ground plane. The lecture concludes with a detailed analysis of the reactance resistance and the effective area of dipoles.

Instructor

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Official source

https://mediaspace.epfl.ch/media/0_q7e21p1s

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Ontological neighbourhood

Physics

Electromagnetism: Electrical networks, Electrodynamics

Electrical engineering

Radio-frequency engineering: Radio antennas

Health sciences

Radiology: Topics in radiology

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