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电磁辐射对建筑室内环境的影响已经逐渐成为一个重要的环境问题。利用电磁波吸收理论研究了建筑围墙对高频电磁辐射的吸收特性。模拟计算表明,伴随频率的增加,墙体对电磁辐射的吸收呈现振荡趋势并逐渐向一定值趋近;伴随介电材料厚度增加,稳定值点的位置提前。材料介电常数的实部越小吸收稳定值越小;虚部越小,稳定值点的位置越延后。本结果为建筑室内电磁辐射防护和室内无线局域网电磁干扰控制提供研究基础。
The impact of electromagnetic radiation on the indoor environment of buildings has gradually become an important environmental issue. The electromagnetic wave absorption theory was used to study the absorption of high-frequency electromagnetic radiation by the building wall. The simulation results show that with the increase of frequency, the wall absorbs electromagnetic radiation and tends to a certain value gradually. With the increase of the thickness of dielectric material, the position of the stable point is advanced. The smaller the real part of the dielectric constant of the material is, the smaller the absorption stability value is. The smaller the imaginary part, the more the position of the stable point is delayed. The results provide a research basis for electromagnetic radiation protection in building indoor and electromagnetic interference control in indoor wireless LAN.