接收到的回波幅度与理论声压值基本一致，表明实验结果可信。
The received echo wave's amplitude is keeping with the theoretical sound pressure value. So the result of experiment is credibly.
通常存储的信息可能包括的'a '加权的Leq, LN的值，声压值，也许1：3倍频为音调分析信息。
The usual stored information may consist of the 'a' Weighted Leq, LN values, SPL values and perhaps 1:3 Octave Band information for tonal analysis.
声学-结构灵敏度用于预测结构辐射声压随结构设计变量的变化，该值对结构降噪设计有重要意义。
Acoustic-Structure sensitivity is used to predict the change of acoustic pressure when structure design variable was changed, which is significance for reducing noise of structure.
在有多个噪声源的情况下，通过推导声压级分贝值的运算公式，得出了判定主噪声源的有效方法。
Under the circumstances that there are multi noise sources, we can get the effective method of how to judge main the noice source by deriving the formula of acoustic pressure evel decibel.
实验表明额隆内有若干点声衰减为负值及零值、意味着声波沿这些点传输时、声压非但不减小反而增大了。
The experiment showed that in the melon slices there were some points where the sound pressure attenuation coefficient were negative value or zero.
振动用加速度有效值描述，噪声以声压级表示。
The vibration is characterized by the virtual value of acceleration, and the noise is indicated by the sound-pressure-level.
计算结果正确预测出近场中低频段的指向性特点和远场声压级水平，与实测谱值有较好的一致性。
It has been verified that the directional characters in near sound field in low and middle frequency bands and the pressure level in far...
计算结果正确预测出近场中低频段的指向性特点和远场声压级水平，与实测谱值有较好的一致性。
It has been verified that the directional characters in near sound field in low and middle frequency bands and the pressure level in far...
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