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首页> 美国卫生研究院文献>International Journal of Environmental Research and Public Health >A Technical Approach to the Evaluation of Radiofrequency Radiation Emissions from Mobile Telephony Base Stations
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A Technical Approach to the Evaluation of Radiofrequency Radiation Emissions from Mobile Telephony Base Stations

机译：评估移动电话基站射频辐射的技术方法

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摘要

During the last two decades, the number of macrocell mobile telephony base station antennas emitting radiofrequency (RF) electromagnetic radiation (EMR) in residential areas has increased significantly, and therefore much more attention is being paid to RF EMR and its effects on human health. Scientific field measurements of public exposure to RF EMR (specifically to radio frequency radiation) from macrocell mobile telephony base station antennas and RF electromagnetic field (EMF) intensity parameters in the environment are discussed in this article. The research methodology is applied according to the requirements of safety norms and Lithuanian Standards in English (LST EN). The article presents and analyses RF EMFs generated by mobile telephony base station antennas in areas accessible to the general public. Measurements of the RF electric field strength and RF EMF power density were conducted in the near- and far-fields of the mobile telephony base station antenna. Broadband and frequency-selective measurements were performed outside (on the roof and on the ground) and in a residential area. The tests performed on the roof in front of the mobile telephony base station antennas in the near-field revealed the presence of a dynamic energy interaction within the antenna electric field, which changes rapidly with distance. The RF EMF power density values on the ground at distances of 50, 100, 200, 300, 400, and 500 m from the base station are very low and are scattered within intervals of 0.002 to 0.05 μW/cm2. The results were compared with international exposure guidelines (ICNIRP).
机译：在过去的二十年中，居民区中发射射频（RF）电磁辐射（EMR）的宏小区移动电话基站天线的数量已大大增加，因此人们越来越关注RF EMR及其对人体健康的影响。本文讨论了公众对宏蜂窝移动电话基站天线对RF EMR（特别是对射频辐射）的暴露以及环境中RF电磁场（EMF）强度参数的科学现场测量。该研究方法是根据安全规范和英语立陶宛标准（LST EN）的要求而采用的。本文介绍并分析了由移动电话基站天线在公众可以进入的区域中产生的RF EMF。在移动电话基站天线的近场和远场中，进行了RF电场强度和RF EMF功率密度的测量。宽带和频率选择性测量是在室外（在屋顶和地面上）和在住宅区中进行的。在近场中对移动电话基站天线前面的屋顶进行的测试表明，天线电场中存在动态能量相互作用，该相互作用随距离而迅速变化。距基站50、100、200、300、400和500 m的地面上的RF EMF功率密度值非常低，并且散布在0.002至0.05μW/ cm 2的间隔内。将结果与国际接触准则（ICNIRP）进行了比较。

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