| 基于三维的射线跟踪八叉树算法的城市微区电波传播预测算法模型 |
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| 引用本文： | 周力,柴舜连,毛钧杰.基于三维的射线跟踪八叉树算法的城市微区电波传播预测算法模型[J].电子学报,2002,30(12):1776-1778. |
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| 作者姓名： | 周力 柴舜连 毛钧杰 |
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| 作者单位： | 国防科学技术大学四院,湖南长沙 410073 |
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| 摘 要： | 本文建立了一种有效的基于射线跟踪技术的三维城市微区电波传播预测的计算模型.该模型将计算机图形学中的八叉树分区技术扩展至射线跟踪技术,并由此提出了一种新的有效的射线跟踪算法,射线跟踪八叉树算法.并基于几何光学、一致性绕射(UTD)对场强进行计算,所得结果与实测值及FDTD的结果进行了比较.
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| 关 键 词： | 微区 射线跟踪 八叉树技术 一致性绕射 路径损耗 |
| 文章编号： | 0372-2112(2002)12-1776-03 |
| 收稿时间： | 2001-07-09 |
An Algorithmic Model Based Three-Dimensional Octree Ray-Tracing Techniques for Electromagnetic Wave Propagation Prediction in Urban Microcell |
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| ZHOU Li,CHAI Shun-lian,MAO Jun-jie.An Algorithmic Model Based Three-Dimensional Octree Ray-Tracing Techniques for Electromagnetic Wave Propagation Prediction in Urban Microcell[J].Acta Electronica Sinica,2002,30(12):1776-1778. |
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| Authors: | ZHOU Li CHAI Shun-lian MAO Jun-jie |
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| Affiliation: | National University of Defence Technology,Changsha,Hunan 410073,China |
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| Abstract: | This paper presents a three-dimensional propagation model for path-loss prediction in an urban microcell, based on ray-tracing techniques. A new efficient ray-tracing technique based octree technique, which was used in computer graphics before, is presented. Numerical results based GO/UTD for received power are in agreement with the measured data and that predicted by FDTD. |
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| Keywords: | microcell ray-tracing octree techniques UTD path-loss |
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