Application of JEMS-FDTD in complicated electromagnetic environment study
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摘要: 将自主研发的大规模并行三维全波电磁场时域求解程序JEMS-FDTD应用于复杂电磁环境问题,计算并分析了楼宇内电波传播特性和飞行器瞬态电磁特性。对楼宇内电波传播特性的计算获得了建筑物内任意位置的电磁场分布和电磁脉冲在建筑物内的时域传播过程,其结果可用于无线通信和电磁环境安全研究;对飞行器瞬态电磁特性的计算获得了飞行器舱内外瞬态电磁近场分布,其结果可用于飞行器强辐射场防护等研究。Abstract: This paper demonstrates a massively parallel 3D full-wave electromagnetic field simulation program JEMS-FDTD and its application in complicated electromagnetic environment study. Two numerical examples of application are presented. The computation of radio wave propagation in actual building produces the numerical results of the propagation process of electromagnetic pulse in time domain, which can be used to analyze the characteristics of indoor radio propagation and electromagnetic environment safety. The computation of aircraft transient electromagnetic characteristics gives the transient electromagnetic field distribution inside and outside the compartments, which can be used in HIRF (High Intensity Radiation Field) protection study.
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