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首页> 外文期刊>International journal of RF and microwave computer-aided engineering >Study on the propagation properties of TM electromagnetic wave in Lossy left-handed material based on CUDA-implemented parallel
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Study on the propagation properties of TM electromagnetic wave in Lossy left-handed material based on CUDA-implemented parallel

机译：基于CUDA实施的TM电磁波在损坏左手材料中的传播特性

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摘要

By using the method of Finite Difference Time Domain (FDTD) and the technology of Compute Unified Device Architecture (CUDA), the propagation characteristics of electromagnetic waves in Left-Handed Materials (LHM) have been studied in this paper. The LHM slab was matched with the free space and the secondary focusing phenomenon of LHM was simulated. Compared with the serial FDTD program, our work showed that this method had a high accuracy. The phase compensation effect and the inverse Snell effect of LHM were also discussed by using the parallel FDTD method based on CUDA, which further proved that our results were consistent with the theoretical study. By comparing the calculation time of traditional FDTD program with that of the CUDA based parallel FDTD program, we conclude that the latter is more efficient than the former. This parallel method can be used as a more efficient way to study LHM.
机译：通过使用有限差分时域（FDTD）的方法和计算统一设备架构（CUDA）的技术，本文研究了左手材料（LHM）中电磁波的传播特性。 LHM板坯与自由空间匹配，模拟LHM的二次聚焦现象。与串行FDTD程序相比，我们的工作表明，该方法具有高精度。通过使用基于CUDA的并行FDTD方法还讨论了LHM的相位补偿效果和反相苯相效应，这进一步证明了我们的结果与理论研究一致。通过将传统FDTD程序的计算时间与基于CUDA的并行FDTD程序的比较，我们得出结论，后者比前者更有效。这种并行方法可以用作研究LHM更有效的方法。

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