Nagaoka T, Watanabe S
National Institute of Information and Communications Technology, Tokyo 184-8795, Japan.
Annu Int Conf IEEE Eng Med Biol Soc. 2009;2009:942-5. doi: 10.1109/IEMBS.2009.5333598.
Recently, there has been an increasing concern regarding the effects of electromagnetic waves on the health of humans. The safety of radio frequency electromagnetic fields (RF-EMFs) is evaluated by the specific absorption rate (SAR). In recent years, SAR has been estimated by numerical simulation using fine-resolution and anatomically realistic reference whole-body voxel models of people of various ages. The variation in SAR with a change in the physical features of a real person is hardly studied, although every person has different physical features. In this study, in order to estimate the individual variability in SAR of persons, we obtained considerable 3D body shape data from actual three-year-old children and developed several homogeneous models of these children. The variability in SAR of the homogeneous models of three-year-old children for whole-body exposure to RF electromagnetic fields in the very high frequency (VHF) band calculated using the finite-difference time-domain method has been described.
最近，人们越来越关注电磁波对人类健康的影响。射频电磁场（RF-EMF）的安全性通过比吸收率（SAR）来评估。近年来，已通过使用不同年龄人群的高分辨率和符合解剖学实际的参考全身体素模型进行数值模拟来估计SAR。尽管每个人的身体特征不同，但很少有人研究SAR随真实个体身体特征变化的情况。在本研究中，为了估计个体的SAR变异性，我们从实际的三岁儿童那里获取了大量三维身体形状数据，并建立了这些儿童的几个均匀模型。本文描述了使用时域有限差分法计算的三岁儿童均匀模型在甚高频（VHF）波段全身暴露于射频电磁场时的SAR变异性。
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