Joseph Wout, Vermeeren Günter, Verloock Leen, Martens Luc
Department of Information Technology, Ghent University/IBBT, Ghent, Belgium.
Bioelectromagnetics. 2010 May;31(4):286-95. doi: 10.1002/bem.20561.
In this article, personal electromagnetic field measurements are converted into whole-body specific absorption rates for exposure of the general public. Whole-body SAR values calculated from personal exposure meter data are compared for different human spheroid phantoms: the highest SAR values (at 950 MHz) are obtained for the 1-year-old child (99th percentile of 17.9 microW/kg for electric field strength of 0.36 V/m), followed by the 5-year-old child, 10-year-old child, average woman, and average man. For the 1-year-old child, whole-body SAR values due to 9 different radiofrequency sources (FM, DAB, TETRA, TV, GSM900 DL, GSM1800 DL, DECT, UMTS DL, WiFi) are determined for 15 different scenarios. An SAR matrix for 15 different exposure scenarios and 9 sources is provided with the personal field exposure matrix. Highest 95th percentiles of the whole-body SAR are equal to 7.9 microW/kg (0.36 V/m, GSM900 DL), 5.8 microW/kg (0.26 V/m, DAB/TV), and 7.1 microW/kg (0.41 V/m, DECT) for the 1-year-old child, with a maximal total whole-body SAR of 11.5 microW/kg (0.48 V/m) due to all 9 sources. All values are below the basic restriction of 0.08 W/kg for the general public. 95th percentiles of whole-body SAR per V/m are equal to 60.1, 87.9, and 42.7 microW/kg for GSM900, DAB/TV, and DECT sources, respectively. Functions of the SAR versus measured electric fields are provided for the different phantoms and frequencies, enabling epidemiological and dosimetric studies to make an analysis in combination with both electric field and actual whole-body SAR.
在本文中，个人电磁场测量值被转换为普通公众暴露时的全身比吸收率。根据个人暴露计数据计算出的全身比吸收率值，针对不同的人体球形模型进行了比较：1岁儿童（电场强度为0.36V/m时，第99百分位数为17.9微瓦/千克）获得的比吸收率值最高（在950MHz时），其次是5岁儿童、10岁儿童、成年女性和成年男性。对于1岁儿童，针对9种不同射频源（调频广播、数字音频广播、集群通信、电视、GSM900下行链路、GSM1800下行链路、数字增强无绳通信、通用移动通信系统下行链路、无线保真），在15种不同场景下确定了全身比吸收率值。个人场暴露矩阵提供了15种不同暴露场景和9种源的比吸收率矩阵。1岁儿童全身比吸收率的最高第95百分位数分别为7.9微瓦/千克（0.36V/m，GSM900下行链路）、5.8微瓦/千克（0.26V/m，数字音频广播/电视）和7.1微瓦/千克（0.41V/m，数字增强无绳通信），9种源的最大全身总比吸收率为11.5微瓦/千克（0.48V/m）。所有值均低于普通公众0.08瓦/千克的基本限制。每V/m的全身比吸收率第95百分位数对于GSM900、数字音频广播/电视和数字增强无绳通信源分别为60.1、87.9和42.7微瓦/千克。针对不同模型和频率提供了比吸收率与测量电场的函数关系，使流行病学和剂量学研究能够结合电场和实际全身比吸收率进行分析。
