| 人体对手机辐射吸收剂量的仿真研究 |
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| 引用本文： | 王曼珠,乔燕,路而红. 人体对手机辐射吸收剂量的仿真研究[J]. 电子科技大学学报(自然科学版), 2008, 37(2): 221-224 |
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| 作者姓名： | 王曼珠 乔燕 路而红 |
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| 作者单位： | 北京电子科技学院通信工程系,北京,丰台区,100070;北京电子科技学院电子信息工程系,北京,丰台区,100070 |
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| 摘 要： | 基于时域有限差分法在两种电磁辐射源作用下,对人体组织的局部比吸收量分布进行了数值分析计算,并利用三维数值电磁仿真软件对人体局部的比吸收率分布进行了仿真分析计算。结果表明,人体组织对电磁辐射吸收剂量的分布极不均匀,它与辐射频率、辐射强度、暴露时间以及人体组织的导电率、介电常数等多种参数有关。仿真研究表明减少手机表面电流、避开人体谐振频率可以减少人体的比吸收率。
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| 关 键 词： | 电磁辐射 时域有限差分法 数值电磁仿真 比吸收率 |
| 收稿时间： | 2006-12-20 |
| 修稿时间： | 2006-12-20 |
Research on Specific Absorption Rate of Electromagnetic Radiation in Human Body with Mobile Communication |
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| WANG Man-zhu,QIAO Yan,LU Er-hong. Research on Specific Absorption Rate of Electromagnetic Radiation in Human Body with Mobile Communication[J]. Journal of University of Electronic Science and Technology of China, 2008, 37(2): 221-224 |
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| Authors: | WANG Man-zhu QIAO Yan LU Er-hong |
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| Affiliation: | 1.Department of Communication Engineering,Beijing Electronic Science and Technology Institute Fentai Beijing 100070;2.Department of Electronic Information Engineering,Beijing Electronic Science and Technology Institute Fentai Beijing 100070 |
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| Abstract: | Based on the method of finite difference time domain (FDTD), the analysis of the distribution of localized specific absorption in human tissues is made under the two electromagnetic radiation sources. In this paper, the imitative analysis and calculation on specific absorption rate (SAR) to the part of human body is achieved, especially head phantom, using 3D numerical electromagnetic computer software. Simulation results show that the distribution of absorption dosage of electromagnetic radiation to human body is of very asymmetry, which is effected by many parameters, such as radiant frequency, radiant intensity, exposure time, conductivity and permittivity of human tissues. Therefore, it will reduce the SAR to the human body by reducing electrical current on the surface of mobile telephone and avoiding resonance frequency of human body. |
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