Encyclopedia of Biometrics

2009 Edition
| Editors: Stan Z. Li, Anil Jain

Electromagnetic Resonance

Reference work entry
DOI: https://doi.org/10.1007/978-0-387-73003-5_431
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Electromagnetic resonance is a phenomenon produced by simultaneously applying steady magnetic field and electromagnetic radiation (usually radio waves) to a sample of electrons and then adjusting both the strength of the magnetic field and the frequency of the radiation to produce absorption of the radiation. The resonance refers to the enhancement of the absorption that occurs when the correct combination of field and frequency is obtained.

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