Composite model for the microwave Doppler spectrum of the sea surface

被引：1
|
作者：
David Hill, Robert [1 ]
Pedlar, David N. [1 ]
Ward, Keith D. [1 ]
机构：
[1] Igence Radar Ltd, Wyche Innovat Ctr, Walwyn Rd, Malvern, Worcs, England
来源：
IET RADAR SONAR AND NAVIGATION | 2019年 / 13卷 / 11期
关键词：
ocean waves; radar clutter; Doppler radar; remote sensing by radar; analytical model; microwave Doppler spectrum; sea surface; numerically inexpensive composite model; sea clutter; perturbation method; specular reflections; linear description; analytically tractable description; STATISTICAL PROPERTIES; RADAR; SCATTERING; MODERATE;
D O I：
10.1049/iet-rsn.2019.0065
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：
This article describes a numerically inexpensive composite model for the microwave Doppler spectrum of sea clutter. The model is based on the small perturbation method, includes the contribution of specular reflections and uses a linear description of the sea surface to provide an analytically tractable description of the Doppler spectrum. The analytical model is tested by comparison with direct simulation. The model results are found to be in reasonable agreement with measured data and with recently published results produced using the considerably more complex and numerically challenging second-order small-slope approximation.
引用
收藏
页码：1981 / 1989
页数：9
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