Lecture

Shielding Efficiency in Electromagnetic Fields

In course

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Description

This lecture discusses the efficiency curve for electric, magnetic, and electromagnetic fields based on frequency and material thickness. It covers the use of copper and steel for shielding, the penetration distance for effective shielding, and the importance of minimizing earth loops in measurements. Additionally, it explains the concept of guard rings in voltage measurements, synchronous modulation/demodulation for noise reduction, and the critical role of phase adjustment in synchronous amplification systems.

Instructors (2)

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Official source

https://mediaspace.epfl.ch/media/0_alymxh8p

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Ontological neighbourhood

Physics

Electromagnetism: Electrodynamics

Electrical engineering

Telecommunications: Modulation

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