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- structure vibration wave 结构噪声
- Structure vibration control in civil engineering II. 土木工程结构振动控制2。
- It is one of the most promising new technologies to control the structure vibration using magneto-rheological dampers. 摘要利用磁流变阻尼器对结构振动进行控制是一种非常有前途的新技术。
- Utilizing piezoelectricity, the structure vibration can be effectively controlled by active or passive method. 利用压电效应能够对结构振动进行有效的主动和主被动控制。
- A comparatively systemic summary is maken according to main evaluation standards and evaluation methods of the structure vibration comfort between inland and outland. 3.;对国内外结构振动舒适性的主要评价标准和评价方法做了较为系统的总结。
- In this paper, the research results of structure vibration control and damping material preparation by making use of material piezoelectricity in recent years are described. 概述了近年来利用压电效应控制结构振动和制备阻尼材料方面的研究成果。
- It is demonstrated that the attenuation law of vibration wave of blasting accord with expression of Sadaovsk Formula under even ground,whereas the topography affect greatly propagation of vibra. 论文结合广东岭澳核电站二期工程爆破负开挖振动监测,通过现场实验和理论分析较系统地研究了地形地貌对爆破振动波的影响。
- After introducing the research and development of Predictive Control and Structure Vibration Control, We analyze the basic theory and prepotency of Model Algorithm Control (MAC) . 介绍了目前预测控制和结构振动控制的发展和现状，同时分析了模型算法控制的基本理论优势。
- Firstly, the flexibility projection error (FPE) procedure is employed to localize the damage, which can accurately locate the damage only using lower modal date of the structure vibration. 第一阶段，用柔度投影法进行损伤定位。柔度投影法能够仅用结构的低阶振动测试数据进行准确定位。
- The phase-locked loop circuit consisting of MM74HC4046M CMOS chip and the loop-coil detector form the LC vibration circuit,that converts the LC vibration wave into square waves for microprocessor processing. 由MM74HC4046M构成的锁相环电路与环形检测线圈一起构成LC震荡电路,并将LC震荡波形转换为单片机可使用的方波;
- In these tests, integral energy dissipation system can suppress structural vibration with satisfaction displacement. 试验结果表明:组合耗能体系对位移有良好的减振效果;
- Therefore, MTMD is suitable for controlling structural vibration with variable frequencies. 因此，MTMD适用于控制频率变化的结构振动。
- Speciality in consultation field: Hydraulics, flow-induced structural vibration, structural dynamic reliability and dynamic optimization design. 水力学，结构流激振动、结构动力可靠性及动态优化设计.
- Exciting results are obtained when this control algorithm is applied to the structural vibration reduction with periodic and pseudo-periodic signals. 此种方法，对于周期扰力以及拟周期扰力激起的结构振动响应都有很好的控制效果。
- The energy variational formulation of structural vibration systems is introduced and the design sensitivity equation is developed using the adjoint variable. 利用连续介质动力学理论，得到基于能量变分法的设计灵敏度方程。
- A feedforward adaptive control system based on ARX model description has been developed and applied to the control of structural vibration excited by Pseudo-periodic signals. 摘要发展一种基于ARX模型描述的实时自适应前馈控制系统，并将其应用到具有拟周期扰力的结构振动控制中。
- Application and analysis on pilot detecting technology of mine structure and gas with vibration wave 矿井构造与瓦斯的震波超前探测技术应用分析
- To better forecast and control the structural vibration and noise of naval vessels and other kind of ships,the energy finite element method was introduced. 为了解决舰船结构的振动噪声预报及其控制问题,以能量密度为变量,获得了薄板结构受激励产生弯曲振动时的能量密度控制方程,并得到了控制方程的有限元解。
- The vibration of a thin elastic spherical shell in a bubbly layer is analyzed theoretically so as to investigate the effect of bubbly layer on structural vibration. 对气幕中弹性薄球壳的振动进行理论分析，以探讨气幕对结构振动的影响。
- The two halves of the structure didn't marry up. 该结构的两部分未配合好。
