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本文给出缓坡上海浪能量谱的折绕射联合模型,在给定频率和谱的零阶矩下,模型简化为规则波的折绕射联合模型。文中对三种半椭圆形斜坡底形进行了数值计算,分析比较了用海浪能量谱表示的随机波的和简单波的折射模型和折绕射联合模型的计算结果,也分析了随机波的折射谱和折绕射谱的谱形变化。说明联合模型计算结果是合理的,有应用价值的。
In this paper, the bouncing-diffraction joint model of the energy spectrum of the waves on a gentle slope is given. Under a given frequency and the zero order moment of the spectrum, the model is simplified to the birefringence joint model of regular waves. In this paper, the three kinds of semi-elliptical slope bottom shape are numerically calculated, and the calculation results of the random wave and the simple wave refraction model combined with the refraction and diffraction model, which are expressed by the wave energy spectrum, are analyzed and compared. The random wave refraction Spectral and folded spectral changes in spectral shape. It shows that the result of joint model is reasonable and has application value.