VLF天线终端电场分布的数值分析

2019 IEEE 19th International Conference on Communication Technology (ICCT) Pub Date : 2019-10-01 DOI:10.1109/ICCT46805.2019.8947227

K. Mao, Xianqiang Li, Chen Wei, Zhiyuan Ma, Xixiu Wu

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引用次数: 3

摘要

大功率甚低频(VLF)通信系统在工作时，由于交变的高电场强度环境，会在天线的末端产生介电损耗和相应的温升。在对介质损耗和温升进行理论分析的基础上，通过建立三维仿真模型，对天线端面电场强度分布及其影响因素进行了数值分析。结果表明:电场强度随天线端电压的增加呈线性变化;而工作频率对电场强度的影响较小。最后，分析了电晕环对天线终端电场强度的抑制作用。

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Numerical Analysis of Electric Field Distribution at the Terminal of VLF Antenna

When the high-power VLF (Very Low Frequency) communication system is in operation, dielectric loss and corresponding temperature rising will occur at the terminal of the antenna due to the alternating high electric field intensity environment. Based on the theoretical analysis of dielectric loss and temperature rise, the distribution of electric field intensity at the terminal of antenna and its influencing factors are numerically analyzed by establishing a three-dimensional simulation model. The results show that the electric field intensity varies linearly with the increase of the voltage of the antenna terminal; however, the working frequency has little effect on the electric field intensity. Finally, the reduction effect of a corona ring on the electric field intensity at the antenna terminal is analyzed.

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2019 IEEE 19th International Conference on Communication Technology (ICCT)

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