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SAR evaluation by modal decomposition using induced near-field of equivalent current sources

Ouanes Aiouaz 1, 2 David Lautru 2 Man-Faï Wong 1 Azeddine Gati 1 Joe Wiart 1 Victor Fouad Hanna 2
1 Orange Labs [Issy les Moulineaux]
2 L2E - Laboratoire d'Electronique et Electromagnétisme
Abstract : Modal expansion of the electric field induced on a head model by a cellular phone is proposed. This technique used equivalent currents on a surface according to Huygens principle. Using Singular Value Decomposition technique, we are able to determine the modes excited by these equivalent sources in a lossy media and to expand the E-field in terms of local modes in the media. Finally, the specific absorption rate (SAR) is directly evaluated.
Keywords : Cellular phones Current measurement Electric fields Finite difference methods Magnetic field measurement Probes Time domain analysis
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Conference papers
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https://hal.sorbonne-universite.fr/hal-00598713
Contributor : Pascal Gomez <>
Submitted on : Tuesday, June 7, 2011 - 1:40:49 PM
Last modification on : Thursday, October 3, 2019 - 4:30:12 PM

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UPMC | L2E | SORBONNE-UNIVERSITE | SU-SCIENCES

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Ouanes Aiouaz, David Lautru, Man-Faï Wong, Azeddine Gati, Joe Wiart, et al.. SAR evaluation by modal decomposition using induced near-field of equivalent current sources. EMTS 2010, Aug 2010, Berlin, Germany. pp.544-546, ⟨10.1109/URSI-EMTS.2010.5637180⟩. ⟨hal-00598713⟩

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