WANG Yuan,LIU Kun,DU Yuming,et al.Investigation at the Influence of First and Subsequent Return Stroke to Lightning Electromagnetic Coupling Effects of Microstrip Antenna Working on GSM[J].Journal of Chengdu University of Information Technology,2021,36(04):355-360.[doi:10.16836/j.cnki.jcuit.2021.04.001]
首次和继后回击对GSM频段微带天线雷电电磁耦合效应的影响研究
- Title:
- Investigation at the Influence of First and Subsequent Return Stroke to Lightning Electromagnetic Coupling Effects of Microstrip Antenna Working on GSM
- 文章编号:
- 2096-1618(2021)04-0355-06
- Keywords:
- microstrip antenna; lightning coupling effect; first return stroke; subsequent return stroke
- 分类号:
- TN822+.4
- 文献标志码:
- A
- 摘要:
- 为研究基站通信塔遭受雷击时,通信塔上890～954 MHz频段微带天线在不同雷击下的雷电电磁耦合效应,基于闪电回击电磁模型,建立闪电通道-通信铁塔-大地模型及天线模型,研究首次回击和继后回击对890～954 MHz频段微带天线雷击耦合效应的影响。结果表明:虽然首次回击的总能量远远大于继后回击,但继后回击比首次回击携带更多的高频能量,对于安装在通信塔上、同时可能处于闪电通道附近的890～954 MHz频段的微带天线而言,继后回击对其雷电耦合效应的影响更大,继后回击耦合入微带天线的能量远远大于首次回击。
- Abstract:
- The lightning electromagnetic coupling effect of the microstrip antenna working on 890-954 MHz is researched under different lightning strokes, when the base station communication tower is struck by lightning.In this paper, based on the lightning return stroke electromagnetic model, the lightning channel-communication tower-ground model and antenna model are established, and the impact of the first and subsequent return strokes to the lightning electromagnetic coupling effect of the microstrip antenna working on 890-954 MHz is studied.It can be found that, although the total energy of the first return stroke is much greater than that of the subsequent return stroke, the subsequent return stroke carry more high-frequency energy than the first return stroke. For the microstrip antenna working on 890-954 MHz,which is installed on communication towers and may be near the lightning channel, as mentioned in this article, its lightning coupling effect will be more affected by subsequent return stroke, The coupling energy of the microstrip antenna from the subsequent return stroke is much greater than that from the first return stroke.
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备注/Memo
收稿日期:2021-05-12
基金项目:四川省重点研发计划资助项目(2019YFG0104); 四川省科技计划资助项目(2021YFG0355)