| 1. | Research on application of modified maximum likelihood method in wave field overlapped by incident and reflected waves 改进的最大似然法在入反射波合成波浪场中应用研究 |
| 2. | Hence , the numerical modeling is the practical and unique method for the acquisition of the statistical distribution of ocean waves with the high - resolution in the larger zone 因此,进行数值模拟配以个别实际测点的验证,以求得大面高时空分辨率的波浪场分布是可行的,也将成为不可替代的工具。 |
| 3. | A directional spectrum of the reflection coefficients is suggested and an empirical formula of the directional spectrum of the reflection coefficients for slope breakwaters are given by the model tests 通过分析研究,提出了波浪场反射系数方向谱的概念,并由模型试验结果给出了斜坡堤前反射系数方向谱的经验公式。 |
| 4. | The analyses of the calculated current fields , wave fields and suspended sediment distributions under normal or typhoon weather show that the model system can preferably reflect hydrodynamic fields and sediment distributions in the yangtze estuary 分析流场、波浪场以及正常和台风天气下的悬沙场的计算结果,表明该模型系统能合理地反映长江河口区域的水动力场和泥沙场的分布。 |
| 5. | Being utilized in the wave propagation for nan gang of yangtze river estuary , this model can give good results of numerical simulation by effectively reflecting the influence of complicated topography which is comprised of shoal - channel spaced in between 将模型应用于地形复杂变化的长江口南港水域内波浪场的计算,计算结果说明,模型能较好地反映滩槽相间、急剧变化的地形的影响。 |
| 6. | Then such a successful model being able to simulate the wave dynamics efficiently has been applied to a reconstruct project of a harbor to evaluate the availability of some critical design data and to judge whether the berth condition is safe enough 在此基础上,应用此模型计算了某港大修工程中的波浪场,判断其是否满足泊稳条件,以及某人工岛周围的波浪场,表明此模型在复杂地形上变化水域工程中具有应用可行性。 |
| 7. | This paper presents that the directional spectra and the reflection coefficients of the oblique and the multidirectional irregular waves on the co - exist wave field of incident wave and reflected wave have been studied . a modified two - points method is proposed that can be used to calculate the frequent spectrum and reflection coefficient of the oblique waves . for the multidirectional irregular waves , the directional spectra and reflection coefficients are obtained by the modified bayesian directional method and the modified maximum likelihood method 本文研究了入、反射波共存场中斜向不规则波和多向不规则波波浪场的方向谱和反射系数,对于斜向不规则波频率谱及反射系数的计算提出了一种改进两点法( mtpm ) ,对于多向不规则波方向谱和反射系数的分析,应用了改进的贝叶斯方法( mbdm )和改进的最大似然法( mmlm ) 。 |
| 8. | Based on the nonlinear parabolic approximate wave reflection - diffraction equation of mild slope , a model of wave propagation on a fan - shaped coordinate is put forward considering winds , bottom friction and wave breaking , etc . the existing calculation shows that the model can be employed to determine wave fields in large water areas 接着以非线性的抛物型近似波浪缓坡方程为基础,提出了扇形坐标下的波浪传播模型,模型包括了风、底摩阻、波浪破碎等因素的影响,可以用于大水域的波浪场的确定;文章最后介绍了一些计算算例。 |
| 9. | In this zone , the ocean wave fields are complex and variable due to the influences such as geological , bottomed , shoaling , ocean - engineering factors and currents in coastal zone etc . so the lattice ( multi - point ) situ - observation is not applied and is not practised based on the economical and practical consideration 特别在长江口区海域,地质、底质、滩涂、海洋建筑、航运以及径流等诸多因素造成波浪场的复杂多变,如依靠多布点的现场观测在效益上不可取,实际操作也是不可行的。 |