In-plane bistatic backward scattering from seabottom with randomly inhomogeneous sediment and rough interface期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

In-plane bistatic backward scattering from seabottom with randomly inhomogeneous sediment and rough interface

Authors:	Zhaohui?Peng author-information" > author-information__contact u-icon-before" > mailto:pzh@farad.ioa.ac.cn" title=" pzh@farad.ioa.ac.cn" itemprop=" email" data-track=" click" data-track-action=" Email author" data-track-label=" " >Email author,Jixun?Zhou,Renhe?Zhang

Affiliation:	1. Institute of Acoustics, Chinese Academy of Sciences, Beijing 100080, China;School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA 2. Institute of Acoustics, Chinese Academy of Sciences, Beijing 100080, China

Abstract:	The in-plane bistatic backward scattering caused by seabottom with random inhomogeneities and rough interface is studied. This work combines the ray tube integral method of Ivakin et al. and the complex-ray/steepest descent method of Hines. For a given incident grazing angle, the theoretical expression can easily be used to calculate scattering strength for different backward scattering angles. (This is essential for modeling shallow water reverberation by the normal mode approach.) The model is tested against published scattering measurements. The frequency/angle dependence of backward scattering and effects of volume inhomogeneity parameters on backward scattering are also discussed.

Keywords:	in-plane bistatic backward scattering inhomogeneous sediment rough interface.
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