The effects of the sea sediment parameters and center frequency of the source on the low frequency acoustic wave propagation in shallow water are investigated.
考察了海底沉积物参数、声源激发主频等对低频声传播的影响。
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.
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。
It is shown that the flow instability with high frequency belongs to acoustic oscillation and the flow instability with low frequency is density wave instability.
高频脉动属于声波型脉动，低频脉动属于密度波型脉动。
A standing wave tube measurement system is presented for measuring low frequency acoustic properties of underwater acoustic materials.
介绍一种用于水声材料低频声性能测量的驻波管测试系统。
A standing wave tube measurement system is presented for measuring low frequency acoustic properties of underwater acoustic materials.
介绍一种用于水声材料低频声性能测量的驻波管测试系统。
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