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- hydrodynamic radiation noise 水动力噪声
- Low radiation noise based on its toroidal construction.? 环形结构辐射噪音低.
- Abstract :A passive long wave cochlea model is applied to extract audial feature of naval vessel radiation noise. 摘 要 :为提取舰船噪声听觉特征,应用被动长波模型对舰船噪声进行了分析,得到噪声信号的二维时空分布。
- The radiation noise of gearbox housing is studied by the use of combined the FEM and BEM. 摘要采用有限元和边界元联合的方法对变速器箱体的辐射噪声进行分析研究。
- The finite element (FEM) and the boundary element method (BEM) are combined together to solve the underwater radiation noise of ships. 本文采用有限元/边界元(FEM/BEM)方法对船舶水下辐射噪声特性进行研究。
- Reduce tire/wheel unbalance and tire radiated noise. 减少车胎/轮不平衡性和车胎的辐射噪声。
- The character of typical radiation noise from vessels is studied in this paper, adaptive FIR filter is applied to simulate this noise in computer and test and verify effetivity and practic. 先用FIR自适应滤波器对海洋宽带噪声仿真,通过采用改进的FIR滤波器的设计后对舰船辐射噪声进行仿真,仿真结果与实际舰船辐射噪声谱比。
- A separation method of naval ship radiated noise sources using measure data of radiated noise was introduced. 介绍一种从舰艇辐射噪声数据中分离辐射噪声源的方法.
- A method for extracting modulated information from radiated noise was discussed. 摘要讨论了一种从辐射噪声中提取调制信息的联合方法。
- Such damage can be caused by EMI or radiated noise from factory equipment surrounding the encoder. 这样的损坏可以是由编码器周围的工厂设备的电磁或放射性噪音所造成。
- Shielding is required because high impedance circuitry is susceptible to pickup of spurious radiated noise. 由于高阻电路容易拾取杂散的辐射噪声,所以需要采取屏蔽措施。
- The results show that the method can effectively separate the dynamic modulation from other parts of radiated noise, and extract harmonic features. 结果表明,该方法可以有效地实现动态调制分量与其他信号的分离,准确提取谐波特征。
- The simulation results are in accordance with the characteristics of the radiated noise at near distance in the foreign literature,which thus ... 仿真结果与国外文献提供的船舶水下辐射噪声近场特性吻合,验证了所建模型的正确性。
- Lead aprons shield people from radiation. 铅做的工作裙可使人免进辐射。
- Vibration characteristics of an engine oilpan are analyzed using FEM and radiated noise from the oilpan surface is researched. 利用有限元法分析某发动机油底壳的振动特性,对其表面辐射噪声进行研究。
- The result shows that these structural changes may help to lower the vibration of the oil pan, and finally reduce the radiated noise. 结果表明,改变加强板结构可以减小油底壳的振动,进而降低了发动机的噪声。
- A loud noise from the street diverted my attention. 街上一阵喧闹声转移了我的注意力。
- Radiation reached unheard-of levels. 辐射作用已达到前所未有的程度。
- The laser vibrometer based on the surface vibration for measuring and analyzing the radiating noise of the 4120SG diesel engine is proposed. 摘要以4120SG柴油机为研究对象,提出基于激光测振的表面振动法测量柴油机辐射噪声。
- The noise awoke her from her revery. 这声音把我她从沉思中惊醒。