Effects of charged sand on electromagnetic wave propagation and its scattering field

被引:11
作者
He, QS [1 ]
Zhou, YH [1 ]
Zheng, XJ [1 ]
机构
[1] Lanzhou Univ, Dept Mech, Lanzhou 730000, Peoples R China
来源
SCIENCE IN CHINA SERIES G-PHYSICS MECHANICS & ASTRONOMY | 2006年 / 49卷 / 01期
基金
中国国家自然科学基金;
关键词
scattering field; electromagnetic waves attenuation; wind-blown sand transport; charged sand;
D O I
10.1007/s11433-004-5138-y
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Based on the Rayleigh's scattering theory, the effects of sandstorms on the propagation of electromagnetic wave with different visibilities are presented by solving the scattering field of charged sand particles. Because of the electric charges on the sand surface, the theoretical attenuation will be large enough to match the measured value under certain conditions. And the results show that the effect of sand with electric charges all over its surface on electromagnetic wave attenuation is the same as that of sand without charge, which proves that electric charges distribute on partial surface of the sand in fact.
引用
收藏
页码:77 / 87
页数:11
相关论文
共 14 条
[1]  
AHMED IY, 1997, ARAB STATES BROADCAS, V1, P23
[2]   MICROWAVE PROPAGATION IN SAND AND DUST STORMS [J].
ANSARI, AJ ;
EVANS, BG .
IEE PROCEEDINGS-F RADAR AND SIGNAL PROCESSING, 1982, 129 (05) :315-322
[3]   MICROWAVE PROPAGATION IN DUST STORMS - A REVIEW [J].
BASHIR, SO ;
MCEWAN, NJ .
IEE PROCEEDINGS-H MICROWAVES ANTENNAS AND PROPAGATION, 1986, 133 (03) :241-247
[4]  
Chu T. S., 1979, Bell System Technical Journal, V58, P549
[5]  
COMPARETTO G, 1993, J SPACE COMM, V11, P13
[6]  
FREDRICK SS, 1999, J GEOPHYS RES, V104, P9663
[7]   EFFECT OF HYDROSCOPIC WATER ON DIELECTRIC-CONSTANT OF DUST AT X-BAND [J].
GHOBRIAL, SI .
ELECTRONICS LETTERS, 1980, 16 (10) :393-394
[8]  
GHOBRIAL SI, 1985, INT S ANT EM THEOR
[9]  
Gill E. W. B., 1948, NATURE, V18, P568
[10]  
HADDAD S, 1983, ESA PUBLICATION, V194, P153