The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. ex. Some numerals are expressed as "XNUMX".
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The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. Copyrights notice
Le but de cette étude est d'établir une méthode d'estimation du taux d'absorption spécifique moyenné du corps entier (WB-SAR) utilisant la puissance absorbée par les humains ; une technique de balayage de champ externe cylindrique est utilisée pour mesurer la puissance RF (radiofréquence) rayonnée. Cette technique est adoptée dans le but de simplifier l’estimation de la dosimétrie d’exposition d’humains ayant des postures et/ou des tailles différentes. Dans cet article, pour valider la méthode de mesure proposée, nous soumettons des modèles numériques de fantômes humains et des conditions de balayage cylindrique à une analyse FDTD. Nous concevons un système de rayonnement qui utilise une lentille diélectrique pour réaliser une irradiation par onde plane de fantômes humains testés afin de développer un système de mesure expérimental WB-SAR pour les conditions d'exposition en champ lointain UHF. De plus, nous utilisons un système de mesure SAR construit pour confirmer les estimations de puissance absorbée de fantômes géométriques simples et ainsi estimer l'erreur de mesure du système de mesure. Enfin, nous discutons des résultats de mesure des WB-SAR pour des modèles fantômes humains mâles, adultes et enfants.
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Yoshifumi KAWAMURA, Takashi HIKAGE, Toshio NOJIMA, "Basic Construction of Whole-Body Averaged SAR Estimation System Using Cylindrical-External Field Scanning for UHF Plane Wave Irradiation of Human Models" in IEICE TRANSACTIONS on Communications,
vol. E93-B, no. 10, pp. 2636-2643, October 2010, doi: 10.1587/transcom.E93.B.2636.
Abstract: The purpose of this study is to establish a whole-body averaged specific absorption rate (WB-SAR) estimation method using the power absorbed by humans; a cylindrical-external field scanning technique is used to measure the radiated RF (radio-frequency) power. This technique is adopted with the goal of simplifying the estimation of the exposure dosimetry of humans who have different postures and/or sizes. In this paper, to validate the proposed measurement method, we subject numerical human phantom models and cylindrical scanning conditions to FDTD analysis. We design a radiation system that uses a dielectric lens to achieve plane-wave irradiation of tested human phantoms in order to develop an experimental WB-SAR measurement system for UHF far-field exposure condition. In addition, we use a constructed SAR measurement system to confirm absorbed power estimations of simple geometrical phantoms and so estimate measurement error of the measurement system. Finally, we discuss the measurement results of WB-SARs for male adult and child human phantom models.
URL: https://global.ieice.org/en_transactions/communications/10.1587/transcom.E93.B.2636/_p
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@ARTICLE{e93-b_10_2636,
author={Yoshifumi KAWAMURA, Takashi HIKAGE, Toshio NOJIMA, },
journal={IEICE TRANSACTIONS on Communications},
title={Basic Construction of Whole-Body Averaged SAR Estimation System Using Cylindrical-External Field Scanning for UHF Plane Wave Irradiation of Human Models},
year={2010},
volume={E93-B},
number={10},
pages={2636-2643},
abstract={The purpose of this study is to establish a whole-body averaged specific absorption rate (WB-SAR) estimation method using the power absorbed by humans; a cylindrical-external field scanning technique is used to measure the radiated RF (radio-frequency) power. This technique is adopted with the goal of simplifying the estimation of the exposure dosimetry of humans who have different postures and/or sizes. In this paper, to validate the proposed measurement method, we subject numerical human phantom models and cylindrical scanning conditions to FDTD analysis. We design a radiation system that uses a dielectric lens to achieve plane-wave irradiation of tested human phantoms in order to develop an experimental WB-SAR measurement system for UHF far-field exposure condition. In addition, we use a constructed SAR measurement system to confirm absorbed power estimations of simple geometrical phantoms and so estimate measurement error of the measurement system. Finally, we discuss the measurement results of WB-SARs for male adult and child human phantom models.},
keywords={},
doi={10.1587/transcom.E93.B.2636},
ISSN={1745-1345},
month={October},}
Copier
TY - JOUR
TI - Basic Construction of Whole-Body Averaged SAR Estimation System Using Cylindrical-External Field Scanning for UHF Plane Wave Irradiation of Human Models
T2 - IEICE TRANSACTIONS on Communications
SP - 2636
EP - 2643
AU - Yoshifumi KAWAMURA
AU - Takashi HIKAGE
AU - Toshio NOJIMA
PY - 2010
DO - 10.1587/transcom.E93.B.2636
JO - IEICE TRANSACTIONS on Communications
SN - 1745-1345
VL - E93-B
IS - 10
JA - IEICE TRANSACTIONS on Communications
Y1 - October 2010
AB - The purpose of this study is to establish a whole-body averaged specific absorption rate (WB-SAR) estimation method using the power absorbed by humans; a cylindrical-external field scanning technique is used to measure the radiated RF (radio-frequency) power. This technique is adopted with the goal of simplifying the estimation of the exposure dosimetry of humans who have different postures and/or sizes. In this paper, to validate the proposed measurement method, we subject numerical human phantom models and cylindrical scanning conditions to FDTD analysis. We design a radiation system that uses a dielectric lens to achieve plane-wave irradiation of tested human phantoms in order to develop an experimental WB-SAR measurement system for UHF far-field exposure condition. In addition, we use a constructed SAR measurement system to confirm absorbed power estimations of simple geometrical phantoms and so estimate measurement error of the measurement system. Finally, we discuss the measurement results of WB-SARs for male adult and child human phantom models.
ER -