查询词典 vibration generator

The scrambling and complexity of some vibration signals of a turbine generator set rotor at different scales is studied by means of the technology.

利用该技术对发电机组转子振动信号置于不同尺度下，观测其不规则性和复杂性。

The existing research status, the developing trends and the application prospects for hydro generator units of vibration

同时结合使用北京英华达EN900振动监测故障诊断仪在自一里水电站的真机试验

The debugging of the network's communication is fulfilled after thenetwork's link. The function of the system is validated through theprocess and analysis of the vibration signal generated by signal generator.

完成了整个网络的连接，对单节点和中央计算机之间的通讯进行了测试；并且对利用振动信号发生器模拟产生的振动信号进行了分析和处理，验证了系统的功能。

The results show that electromagnetic vibration of hydropower generator rotors exhibits nonlinear characteristics, including the jumping phenomenon of amplitude-frequency curve and the obvious soft characteristics.

结果表明，动态偏心条件下水轮发电机转子的电磁振动呈现非线性特征，幅频曲线在一定条件下将出现跳跃现象，系统呈现明显的软特性。

The electromagnetic damper studied in this paper belongs to a special kind of coreless generator, which is used for the energy absorption and dissipation in order to weaken vibration.

本文研究的电磁阻尼器是一种特殊结构的空心杯发电机，它主要用于对能量的吸收和耗散，达到减振消能的目的，是具有很高单位耗能的能量吸收元件。

When hydroturbine generator runs in steady state,oil film stiffness and dampingcan greatly affect the unit s vertical vibration.

水轮发电机稳态运行时，油膜刚度与阻尼对机组的垂直振动有着重要影响。

A fault diagnosis mothed for hydro-generator units has been put forward according to their vibration frequency spectrum characteristics.

摘要针对水轮发电机组振动的频谱特点，提出了基于小波包分析的水轮发电机组振动的故障诊断方法。

The Laser Doppler vibrometer and signal generator are controlled by computer through GPIB bus, in order to make the system more automatic and compatible. A synchronous method for exciting signal and data acquisition is advanced and put into practice in the process of microstructures'free damping vibration.

通过GPIB总线控制激光多普勒测振仪的控制器和信号发生器以提高测试过程的自动化程度，使建立的自动化测量系统具有良好的通用性和可扩展性，并提出了自由衰减法测试的激励信号和数据采集卡同步采集的实现方法； 3。

In chapter 1, the existed problem and current research on vibration of hydropower house with large-sized Francis turbine generator unit are introduced.

文中各章节主要内容如下：第一章介绍了大型混流机组厂房的振动问题及研究现状。

In this paper, the finite element method was applied to the vibration characteristic analysis for the upper bracket and head cover of a certain large-scale hydropower generator unit.

采用有限元法对某大型水轮发电机组的上机架和顶盖结构进行了振动特性分析，得到了结构的自振频率和相应的振型，结果表明：顶盖产生共振的可能性较大，应加以预防。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了