浅海混响主要是海底散射引起的。
Shallow reverberation is mainly caused by the bottom scattering.
在浅海环境中，海底散射是影响主动声纳性能的最主要因素之一。
In the littoral environment, the bottom scattering is one of the most important factors for limiting the performance of active sonar.
声波在海底界面的反射和透射是海底散射、海底混响、海底目标探测的重要问题。
Reflection and refraction of acoustic waves at a sediment interface is an important problem for seafloor scattering, bottom reverberation and the acoustic detection of objects.
数值计算以及实验结果表明：对浅海近程混响强度衰减规律影响最大的是海底散射特性；
The numerical results and experimental data show that the influence of bottom incline angle is weak while that of scattering angular function is more prominent.
为了讨论混响对双基地声呐探测范围的影响，利用经验证的三维散射模型，讨论在不同入射、散射掠射角和散射方位角约束下的海底散射强度分布。
The distribution of sea-floor scattering strength held in the incident grazing angle, scattering graze angle, and scattering azimuthal angle was analyzed using a 3-D model that was validated.
本方法和结果将有助于分析小掠角海底(面)散射的角度、频率依赖关系。
The method and results would be useful for analysing angular and frequency dependence of the bottom (or surface) scattering at low grazing angles.
基于波数积分声场模型和虚源方法，开发了可计算海底掩埋物体三维散射声场的模型软件。
Combining the wavenumber integral model and virtual source method, a software for 3d scattering field from the buried target was developed.
基于波数积分声场模型和虚源方法，开发了可计算海底掩埋物体三维散射声场的模型软件。
Combining the wavenumber integral model and virtual source method, a software for 3d scattering field from the buried target was developed.
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