双频移动通信中基于贴片天线的SAR人体头部建模研究

T. A. J. Mary, C. Ravichandran, Stephen Jemima Priyadarshini, D. Sugumar
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引用次数: 8

摘要

本文提供了一种新的方法来研究人类头部与在900和1800兆赫双频频率下工作的移动电话的相互作用。所应用的天线为可安装在手机上的矩形贴片天线。将人体头部模型设计为均匀球体,并用组织等效材料进行刺激。计算了贴片天线的比吸收率(SAR),并观察了其在远场的变化。发现在较高的频率吸收较少。进一步计算与SAR相关的具体参数,如总体值、1克和10克。对天线与机头之间的距离进行了变化,并对结果进行了比较。为了进行SAR计算,在FEKO中设计了天线和头部模型。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Investigation of SAR on human head modelling using patch antenna in mobile communication for dual band frequency
This paper provides a novel approach to investigate the interaction of human head with mobile handset operating at dual band frequencies such as 900 and 1800 MHz. The applied antenna is rectangular Patch antenna which can be mounted on mobile handset. The human head model is designed as homogenous sphere and stimulated with tissue equivalent material. The Specific Absorption Rate (SAR) of patch antenna has been calculated and variation in far field is observed. It is found that at higher frequency absorption is less. Further specific parameters related to SAR such as overall values, 1 gram and 10 gram are computed. The distance between the antenna and head are varied and results are compared. For SAR calculation, both antenna and head models were designed in FEKO.
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