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Evaluation of Currents Induced in Human Body by Plane Wave Exposure At 1-90 MHz

Abstract : In existing exposure standards and guidelines the relationship between dosimetric quantities at a given frequency is not always consistent as some simultaneously applied limits are more restrictive than others, e.g. limits on induced currents compared to those on external electric field or specific absorption rate (SAR). To evaluate the current induced in the human body in 1 – 90 MHz range, we propose an equivalent circuit composed of two elements: the first one provides the voltage at human body mid-height and the second one describes the equivalent human body impedance. Then, assuming that the human body is equivalent to an antenna between 1 and 90 MHz, we calculate induced currents at the human body height. Using the relationship between external electric field and voltage at the body mid-height, we calculate the current along the body and suggest updated limits on induced currents more consistent with the external electric field limits.
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https://hal.archives-ouvertes.fr/hal-01494934
Contributor : Jeanne Frere <>
Submitted on : Friday, March 24, 2017 - 12:03:34 PM
Last modification on : Thursday, January 7, 2021 - 4:13:29 PM
Long-term archiving on: : Sunday, June 25, 2017 - 1:06:08 PM

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  • HAL Id : hal-01494934, version 1

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Jeanne Frere, Alain Alcaras, Maxim Zhadobov, Christophe Lemoine, Gwenaël Le Cadre, et al.. Evaluation of Currents Induced in Human Body by Plane Wave Exposure At 1-90 MHz. EuCAP 2017, Mar 2017, Paris, France. ⟨hal-01494934⟩

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