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采用人体CT数据,重构形成三维模型,并赋予组织器官电磁参数,构成适合电磁计算的人体模型。应用XFDTD软件计算在频率900MHz、1800MHz和2100MHz,功率密度200μW/cm2、40μW/cm2、8μW/cm2和4μW/cm2的移动通信基站远场全身暴露下,人体模型内比吸收率分布。并与《电磁辐射防护规定(GB8702-1988)》基本限值进行比较,为设计有效的电磁场生物效应实验方案、控制暴露条件提供理论剂量学依据。
Human body CT data is used to reconstruct the three-dimensional model and give the tissue and organ electromagnetic parameters to form a human body model suitable for electromagnetic calculation. The XFDTD software was used to calculate the specific absorption rate distribution in the human body model at a frequency of 900 MHz, 1800 MHz and 2100 MHz, with full-field exposures to mobile communication base stations at power densities of 200 μW / cm2, 40 μW / cm2, 8 μW / cm2 and 4 μW / cm2. And compared with the “electromagnetic radiation protection regulations (GB8702-1988)” basic limits for the design of an effective biological effects of electromagnetic field experimental program to control the exposure conditions to provide a theoretical dose basis.