Backward Scattering from the 2-D Time-varying Rough Overturning Wave Crest by MoM

被引：0
|
作者：
Zhang, Yi [1 ]
Guo, Lixin [1 ]
Liu, Wei [1 ]
机构：
[1] Xidian Univ, Sch Phys & Optoelect Engn, Xian 710071, Peoples R China
来源：
PROCEEDINGS OF THE 2016 11TH INTERNATIONAL SYMPOSIUM ON ANTENNAS, PROPAGATION AND EM THEORY (ISAPE) | 2016年
基金：
美国国家科学基金会;
关键词：
overturning wave; sea-spike; Doppler spectra;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Overturning wave cast is considered to be a reason of sea-spike generation, which increases the risk of radar false alarms. Therefore, study of the electromagnetic scattering of overturning wave crest is of great significance. In this paper, the improved two-dimensional (2-D) time-varying rough overturning wave crest is modeled. And the method of moment (MoM) was employed to investigate HH and VV backward scattering radar cross sections (RCS) for different incident angles, wind directions and wind speeds. Then the super phenomenon (HH polarization scattering intensity is greater than VV polarization scattering intensity) occurs frequently in the case of low grazing angle (LAG) and in some time samples as variations in the overturning wave crest. Moreover, Doppler spectra is also analyzed for the time varying rough overturning wave crest model.
引用
收藏
页码：268 / 271
页数：4
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