The acoustic modal analysis of cavity is the important matter on vehicle NVH performance study. Identifying system mode is of importance to avoid acoustic resonance and reduce interior noise.
车室声学模态分析是汽车NVH特性研究的重要内容，识别系统模态对避免声学共振、降低车内噪声有重要意义。
A theoretical analysis was made of the principle and foreground of compound cavity which was confirmed by experimental results.
理论上分析了组合腔的可行性和应用前景，并由实验结果所证实。
On the basis of the fast framing pictures' analysis, the frontal velocities of Taylor cavity are measured, and the interaction mechanism between plasma jets and liquid is presented.
通过对照片的分析确定了泰勒空腔的扩展速度，提出了两相流体在界面上的相互作用机理。
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