The joint influences of wind fetch and water depth on Doppler spectrum of dynamic nonlinear ocean surfaces

D. Nie, M. Zhang, Ning Li
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Abstract

The wind fetch and water depth will greatly impact the ocean waves from the perspective of their shape and statistical characteristics. In this paper, special focus is given to the joint influence of wind fetch and water depth upon Doppler spectrum of dynamic nonlinear ocean surfaces. The study is based on the simulation of two-dimensional fetch- and depth-changed sea surfaces via nonlinear revised choppy wave model (RCWM). Then the Doppler spectral characteristics of echoes from simulated surfaces are mainly analyzed in detail by applying second-order small slope approximation (SSA-2).
风力和水深对动态非线性海面多普勒频谱的共同影响
从海浪的形状和统计特征来看,海风和水深对海浪有很大的影响。本文重点研究了风量和水深对动态非线性海面多普勒谱的共同影响。本研究基于非线性修正波涛模型(RCWM)对二维水深变化海面的模拟。然后利用二阶小斜率近似(SSA-2)对模拟表面回波的多普勒频谱特征进行了详细分析。
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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