震源定位；层析成像；震源机制； 伪弯曲法射线追踪；波数积分。
The location of the earthquakes; tomographic imaging; focal mechanism; pseudo-bending ray tracing; the integral of the wavenumber.
应用简正波理论并结合波数积分法，建立了浅海低频声传播特性的仿真数学模型。
Using the Normal Model Theory and Wavenumber Integration Method, a low frequency acoustic wave propagation model in shallow sea of multi-layered media is constituted.
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.
利用波数积分方法仿真计算了该模型在自由场条件下的近程声场，并分析了近场辐射噪声的基本规律。
The sound pressure at near distance under free field was computed by using the wave number integration and the basic characteristics of the radiated noise were analyzes.
利用波数积分方法仿真计算了该模型在自由场条件下的近程声场，并分析了近场辐射噪声的基本规律。
The sound pressure at near distance under free field was computed by using the wave number integration and the basic characteristics of the radiated noise were analyzes.
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