声速梯度(sound velocity gradient) 声速沿水深或大气中高度的变化率。变化率为正值的(声速随水深或高度增加而 增加)叫正梯度;变化率为负值的(声速随水深或高度...
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The programs adopt stratified constant-gradient method to approximately describe the sound velocity distribution.
程序中采用分层等梯度近似来描述海洋中的声速分布。
The sound field of normal modes in the. shallow-water having negative velocity gradient and rough interface are calculated using such results.
文中用其结果计算了具有粗糙界面的负声速梯度浅海中的简正波声场。
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