摘要
利用FDTD法在建立人体电磁模型的基础上，计算了在手机辐射作用下，人体内外的场强分布。在计算过程中，采用了硬吸收边界条件来解决FDTD算法中计算区域的截断误差问题，即把吸收性能良好的吸波材料加到计算空间的边界上以吸收边界上的入射波，消除反射波。计算结果表明，手机的辐射绝大部分被人体的皮肤所吸收，人体内部在手机辐射作用下的场很弱。因此，在非长期地、连续性地使用手机的情况下，手机的辐射应不会对人体的健康产生较大的影响。
Calculation of electric field strength distributions inside and outside the man model, which is exposed to the radiation of cellular phones, is made by using the finite difference time-domain (FDTD) method with an imaginary microwave-absorbed material constructed the absorption boundary of the region under consideration. The calculation is based on the electromagnetic numerical modeling of human they. The results of this paper show that the electric field strength inside the they is much weaker than that of the surroundings and much of the radiated energy is absorbed by the skin.
出处
《电波科学学报》
EI
CSCD
1998年第1期97-101,共5页
Chinese Journal of Radio Science
基金
国家自然科学基金
关键词
辐射
人体
场强分布
移动电话
Radiation, Body, Field Strength Distribution
