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| 沙尘衰减对微波通信的影响 | |
| 引用本文： | 周旺,翁凌雯,周东方. 沙尘衰减对微波通信的影响[J]. 微计算机信息, 2005, 21(8): 68-69 |
| 作者姓名： | 周旺 翁凌雯 周东方 |
| 作者单位： | 450002,河南郑州解放军信息工程大学 |
| 基金项目： | 863计划资助项目,项目编号:2005AA833030 |
| 摘 要： | 通过分析沙尘尺寸分布,在计算干沙和纯水的复介电常数的基础上,利用粒子散射理论给出了微波传输中的沙尘衰减的计算模型,该模型分析了爆炸沙尘、车扬沙尘和自然沙尘三种不同的沙尘的衰减。通过数值计算的结果,仿真了不同含水量下沙尘衰减率随微波频率的变化,最后给出了相关结论。 |
| 关 键 词： | 沙尘衰减 折射指数 复介电常数 衰减率 |
| 文章编号： | 1008-0570(2005)08-0068-02 |
| 修稿时间： | 2005-04-01 |
The calculation and simulation of attenuation in microwave propagation due to sand and dust |
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| Zhou,Wang,Weng,Lingwen,Zhou Dongfang. The calculation and simulation of attenuation in microwave propagation due to sand and dust[J]. Control & Automation, 2005, 21(8): 68-69 | |
| Authors: | Zhou Wang Weng Lingwen Zhou Dongfang |
| Abstract: | Based on analyzing the size distribution of sand and dust, combing the complex dielectric constant of dry sand and pure water(Raised by Ray) , the calculation model of the sand attenuation is produced , using partical scattering theory and method of equal effects of mixture dielectric constant. This model analyses the attenuation of sand and dust produced by explosion, vehicle and nature, Using the result of numerical calculation, this model simulates how the attenuation rate of sand and dust changed with microwave frequency at different moisture, then gives the conclusions in the end. |
| Keywords: | Attenuation of sand and dust Refractive index Complex dielectric constant Attenuation rate |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |