摘要
在广州市布设12个点位开展环境电磁辐射24 h连续监测和频谱分析。结果表明,各测点综合场强值在0.37～5.26 V/m的范围,总体均值为1.32 V/m,均低于公众照射导出参考值标准;高空环境电磁辐射水平高于地面,白天上班和晚上娱乐高峰期电磁辐射水平相对较高。通信设备方面,移动通信基站和大功率的调频广播、广播电视发射塔对广州市空间环境电磁辐射贡献显著,而小灵通及移动通信TD(3G)-CDMA可视电话频段对环境电磁辐射贡献不显著。
The electromagnetic radiation levels in Guangzhou have been 24 h-continuously measured at 12 points,and spectrum analysis was made.The results show that,the comprehensive field intensity is in the range of 0.37~5.26 V/m,and the average value is 1.32 V/m,lower than those of public exposure derived reference value standard.The electromagnetic radiation levels at high altitude environment are higher than those on the ground,while the levels are relatively high at working daytime and evening entertainment peak time.For the communication equipments,mobile base stations,high-power FM radio,and radio/TV transmitting tower contribute significantly,while the contributions from PHS and the mobile communication TD(3G)-CDMA in visual telephone band are not significant.
出处
《广州环境科学》
2011年第4期27-31,共5页
Guangzhou Environmental Science
关键词
电磁辐射
连续监测
频谱分析
electromagnetic radiation continuously monitoring spectrum analysis
