structured noise中文什么意思

例句与用法

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1. auto-body structure noise performance analysis and optimization research
   大板车厢与骨架车厢在低噪声电站上的应用研究
2. raft vibration-isolating unit is a device that can isolate the transmission of vibration and structure noise to the base effectively
   浮筏隔振装置是一种十分有效的减少机械振动噪声传递的装置，如设计完美，能将振动能量减少3540db。
3. the major noise sources of low-speed railway vehicles ( v 200km / h ) running in domestic existing lines are wheel-rail rolling and structure noise
   我国既有线铁路客车运行速度多在200kmh以下，属于低速运行。运行噪声以轮轨噪声和构造物噪声为主。
4. the major noise resources of high-speed railway vehicles ( v 200km / h ) are wheel-rail rolling noise, structure noise, aerodynamic noise and collector system noise
   高速铁道车辆(时速200kmh)的噪声源主要是：轮轨噪声、构造物噪声、集电系噪声和空气动力性噪声。
5. (3 ) study on the control mechanism of structure noise radiated from rotary machines, we build a common model of rotary machine structure noise analysis relied on the general characters of rotary machines . based on this model, we analyzed various influence factors to structure radiant noise using the union of revolution and numerical calculation method . we found that the joint stiffness between the rotor and the frame is the most sensitive parameter of structure radiant noise by calculating and analyzing
   在旋转机械结构噪声控制方面，根据旋转机械的基本特征，建立了旋转机械结构噪声分析的简化模型，基于该模型利用解析与数值计算相结合的方法对结构噪声的各种影响因素进行了分析，通过计算分析发现，转子与机体的连接刚度是机体结构声的最敏感参数，同时各参数对结构噪声的影响具有互补性。