The engine-mounting is very important in improving the comfort and reducing the noise of a vehicle. An ideal engine mounting must have a low elastic stiffness and a high vibration absorbing ability.
发动机的悬置对提高汽车的舒适性和降低噪声起着重要作用，理想的发动机悬置应具有低弹性刚度和高减振功能。
A mathematical analysis for PLS main component was finished, and the ability of reducing dimension and noise filtration of this method was discussed.
对PLS的主矢量所张成的子空间进行了数学分析，并对该方法的降维去噪能力进行了讨论。
Simulation results show that the reducing flow noise ability of this damping structure can be increased by 3 times, as well as it does not affect the sensitivity of hydrophone.
仿真结果表明，该减震结构抑制流噪声能力可提高3倍以上，同时几乎不影响水听器的接收灵敏度。
Simulation results show that the reducing flow noise ability of this damping structure can be increased by 3 times, as well as it does not affect the sensitivity of hydrophone.
仿真结果表明，该减震结构抑制流噪声能力可提高3倍以上，同时几乎不影响水听器的接收灵敏度。
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