The damping force model of the damper and the nonlinear mathematical model of vibration reduction system are established.
建立了新型磁流体阻尼器的阻尼力模型及其减振系统的非线性数学模型。
Under each water level, the foundation radiation damping brings overall reduction of the dam body's earthquake responses, while having no noticeable effect on the response patterns.
对所有水位，地基辐射阻尼都带来坝体地震响应的全面降低，但不影响反应的总体规律。
The results show that reduction of fuel pipe vibration or improving damping function of hose clip can control the effect of source of vibration on interior noise.
结果表明，减小油管的振动或提高管夹的减振功能可控制振动源对车内噪声的影响。
Calculating results show that the reduction of vibration displacement is mainly due to the structural damping variety caused by PZT actuators.
计算结果表明试验模型结构振动位移的减小主要取决于压电陶瓷驱动器所引起的结构阻尼变化。
The test mechanism for measuring pitching damping derivatives and data reduction equations for obtaining pitching dynamic derivatives have been outlined.
本文叙述了测量俯仰阻尼导数的试验装置及其数据处理方程。
The test and analysis about the vibration damping and noise reduction of the canned coolant pump are studied.
对核动力装置屏蔽式冷却剂泵的减振降噪进行了测试与分析。
For the washing machine noise and vibration reduction predecessors developed a series of mechanical damping Angle of approach, but there are limitations.
针对洗衣机的减振降噪前人开发了一系列机械角度的减振方法，但都存在种种限制。
Some measures of vibration damping and noise reduction are hereupon recommended.
在此基础上提出了对该机的减振降噪措施。
Based on experimental research of porous elastic road surface (PERS) in Japan, the noise reduction properties and mechanism are analyzed from porous absorption and damping vibration.
结合多孔弹性路面的试验研究，从多孔吸声和阻尼减振两个角度分析了其降噪机理和性能。
An optimum damping structure for noise reduction applied in the scoured region of high-speed flow is studied by experimental method.
本文通过试验方法研究了高水流冲刷区优化的阻尼降噪结构。
According to the function mechanisms, polymeric noise reduction composites were classified as vibration damping, sound absorption and sound insulation materials.
降噪材料按降噪机理可分为阻尼减振材料、吸声材料和隔声材料。
It is determined that damping rings with oil content provide stability in vibration and noise reduction.
确认了含油阻尼环具有减振降噪的稳定特性。
The theory of controlling the noise radiated by plate and shell according to frequency districts is stated. A damping design method in terms of the value of noise reduction is advanced.
本文阐述了板壳结构噪声的分区控制理论，提出了以降噪量作为设计指标的阻尼设计方法；
The influence of the cover thickness and the damping layer on the noise reduction effect of the sound insulation cover is analyzed.
提取了隔声罩的振动模态，分析了厚度和阻尼对隔声罩噪声辐射的影响。
The predicted dynamic shear modulus reduction and damping ratio curves are in excellent agreement with those of the empirical models and test results.
与已有经验模型和试验结果的分析对比表明，所获得的围压状态下的土性质曲线具有足够的工程精度。
Noise damping foam products: car door plate, underbody, trunk, an engine case, roof, die-cutting products for dashboard, noise reduction, headline.
降噪减震泡棉产品：车门板，车底，后备箱，发动机箱，车顶，仪表盘用模切产品，降噪减震。
Noise damping foam products: car door plate, underbody, trunk, an engine case, roof, die-cutting products for dashboard, noise reduction, headline.
降噪减震泡棉产品：车门板，车底，后备箱，发动机箱，车顶，仪表盘用模切产品，降噪减震。
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