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基站电磁环境测试方法的比较与分析 被引量:8

Comparison and Analysis for the Measuring Methods of Electromagnetic Environment of the Base Station
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摘要 GSM移动通信基站电磁辐射测量常用的方法有两种,一种是用频谱分析仪和定向天线进行测量,计算出辐射功率密度;另一种是用射频电磁辐射仪,可以直接读出辐射功率密度。对实际运行的基站,两种方法的测量结果不一致,通过在实验室的反复实验,分析出这两种测量方法的特点,找到了测量结果不一致的原因。电磁辐射的测量不仅要了解测量方法的特点,还要了解辐射信号的特性,才能给出恰当的测试结论。 There are two ways to measure the electromagnetic radiation of GSM base station. The first way is to use the spectrum analyzer and the directional antenna, and calculate the density of the radiation power, another way is to use the power meter and we can read the radiation power density directly. But during our practical test to the running base station, the results of these two ways are not accordant, According to our repeating test in the lab, we analyze the characteristic of these two measure ways and find the answer to the question. Not only you should know the characteristic of the measurement ,but also know the characteristic of the radiation signal, only in this way can give the correct test conclusion.
出处 《安全与电磁兼容》 2007年第6期71-73,共3页 Safety & EMC
关键词 GSM基站 电磁辐射 功率密度 安全保护距离 频谱分析仪 射频电磁辐射仪 GSM base station electromagnetic radiation power density safety protective distance spectrum analyzer RF electromagnetic radiation meters
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参考文献2

  • 1孙孺石 丁怀元 等.GSM数字移动通信工程[M].北京:人民邮电出版社,1998.432-494.
  • 2卢尔瑞.移动通信工程[M].北京:人民邮电出版社,1990..

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