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以改进的混合方法预测室外到室内的电波传播 被引量：7

Prediction of radio wave propagation from outdoor to indoor using an improved hybrid method
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摘要 采用了理想匹配吸收层技术改进了了基于衍射几何射线法(GTD)与时域有限差分法(FDTD)的混合方法,改进后的方法使计算结果比基于Mur吸收边界条件的混合法更精确更具有稳定性。该方法可作为一种移动通信系统设计方法的新选择;利用该方法研究了由室外到室内的电波传播预测,给出了计算结果和传播规律性。 An improved method based on a hybrid method from geometrical theory of diffraction(GTD) and finite-difference time-domain(FDTD)method is proposed, in which the perfectly matched layer(PML) absorbing boundary conditions(ABCs) is applied to FDTD lattices. The results of the improved hybrid method are more accurate and more stable than the hybrid method using Mur ABCs. The improved method gives a guideline for choosing an efficient method in the effective design of mobile communications systems. Furthermore the improved method is used to predict the radio propagation from outdoor to indoor and examples are given.
作者 黄永明 吕英华 徐立 张洪欣 冯晓俊
机构地区 北京邮电大学继续教育学院
出处 《电波科学学报》 EI CSCD 2003年第4期428-432,共5页 Chinese Journal of Radio Science
基金 国家自然科学基金(69931030 60271018)
关键词 电波传播 理想匹配吸收层 衍射几何射线法 时域有限差分法 移动通信 improved hybrid method, ray tracing, finite-difference time-domain (FDTD) method, perfectly matched layer (PML) absorbing boundary conditions, geometrical theory of diffraction (GTD) , prediction of the radio propagation
分类号 TN929.5 [电子电信—通信与信息系统] TN011 [电子电信—物理电子学]
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参考文献12

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二级参考文献17

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共引文献42

同被引文献58

引证文献7

二级引证文献11

电波科学学报
2003年 第4期

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