非电离辐射测量用于轨迹雷达
Non-Ionizing Radiation Measurements for Trajectography Radars
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中文总结 AI 辅助
针对轨迹雷达提出非电离辐射测量方法，实测C波段雷达功率密度，评估合规性，发现职业限值达标但公众限值在近天线处超标，需预防措施。
中文摘要 AI 辅助
本工作开展了一项非电离辐射（NIR）测量活动，并针对轨迹雷达提出了一种特定的测量方法。此类雷达具有高增益窄波束天线，并发射高功率信号。使用台式设备和定向接收天线（而非常用的各向同性探头）对C波段轨迹雷达进行了功率密度测量。通过与国际非电离辐射防护委员会（ICNIRP）和巴西国家电信局（Anatel）的职业和公众暴露限值水平进行比较，评估了测得的功率密度水平以进行合规性测试。职业公众的限值在所有地方均得到满足，证明了所研究雷达的安全运行。然而，在雷达天线附近的一个点，公众限值被超出，表明需要采取预防措施。
英文摘要
This work presents a Non-Ionizing Radiation (NIR) measurement campaign and proposes a specific measurement method for trajectography radars. This kind of radar has a high gain narrow beam antenna and emits a high power signal. Power density measurements from a C-band trajectography radar are carried out using bench equipment and a directional receiving antenna, instead of the commonly used isotropic probe. The measured power density levels are assessed for compliance test via comparison with the occupational and general public exposure limit levels of both the International Commission on Non-Ionizing Radiation Protection (ICNIRP) and the Brazilian National Telecommunication Agency (Anatel). The limit for the occupational public is respected everywhere, evidencing the safe operation of the studied radar. However, the limit for the general public is exceeded at a point next to the radar's antenna, showing that preventive measures are needed.
发表机构
- Federal University of Rio Grande do Norte（北里奥格兰德联邦大学）
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