沙尘暴微波信号衰减预测的数学模型

IF 0.7 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC Progress in Electromagnetics Research M Pub Date : 2009-01-01 DOI:10.2528/PIERM09021906

Z. E. Elshaikh, M. R. Islam, Othman Omran Khalifa, H. E. Abdel-Raouf

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引用次数: 53

摘要

尘埃引起的微波信号衰减是利用微波波段进行地面和空间通信的主要问题之一，特别是在沙漠和半沙漠地区。本文建立了一个数学模型来描述微波信号在尘埃作用下的衰减。该模型可以方便地计算微波信号路径衰减，该衰减与能见度、频率、粒度和复介电常数有关。将数学模型的预测值与笔者在苏丹观测到的实测值进行了比较，结果比较吻合。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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MATHEMATICAL MODEL FOR THE PREDICTION OF MICROWAVE SIGNAL ATTENUATION DUE TO DUSTSTORM

The microwave signal attenuation caused by dust is one of the major problems in utilizing microwave bands for terrestrial and space communication especially at desert and semi desert area. This paper presents a mathematical model developed to characterize the microwave signal attenuation due to dust. This model enables a convenient calculation of the microwave signal path attenuation which relates attenuation to visibility, frequency, particle size and complex permittivity. The predicted values from the mathematical model, which are compared with the measured values observed by the author in Sudan show relatively optimistic agreement.

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来源期刊

Progress in Electromagnetics Research M Materials Science-Electronic, Optical and Magnetic Materials

CiteScore

2.50

自引率

10.00%

发文量

114

期刊介绍： Progress In Electromagnetics Research (PIER) M publishes peer-reviewed original and comprehensive articles on all aspects of electromagnetic theory and applications. Especially, PIER M publishes papers on method of electromagnetics, and other topics on electromagnetic theory. It is an open access, on-line journal in 2008, and freely accessible to all readers via the Internet. Manuscripts submitted to PIER M must not have been submitted simultaneously to other journals.