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- constant frequency vibration 定频振动
- To drive the two-phase hybrid stepping motor, we adopt constant frequency pulse and subdivides drive circuit with M535, which with low speed vibration and precision orientation. 采用M535驱动器作为步进电机的驱动控制器，采用具有低速振动和定位精度高的恒频脉宽细分驱动电路；
- High frequency vibration generation transient heating. 高频振动产生瞬间加热。
- The ac power produced by APU generator is of constant frequency. APU发电机产生的交流电源是恒频的。
- Suppose the speakers both emit a pure sinusoidal sound wave of constant frequency. 假定两个扬声器都发射恒定频率的纯正弦声波。
- This paper focuses on voltage regulation strategies of 400Hz CVCF(Constant Voltage Constant Frequency) inverter. 本文研究了400Hz恒压恒频(CVCF)中频电源逆变器波形控制策略。
- From now on,we will attempting to adopt more than one method,such as ferrograph analysis and low frequency vibration analysis,and the like. 今后设想用多种方法进行综合监测，在原有基础上再结合铁谱和振动等监测方法.
- For this reason, it has the absolute advantage to adopt the technique of variable speed constant frequency (VSCF). 为了提高风能的利用率,变速恒频(VSCF)风力发电技术有其绝对的优越性。
- In order to improve the passive type features of resonance and low frequency vibration, the active control scheme is applied. 为了改善被动式气压隔振支座的共振与低频之振动特性，研究中更加入了主动控制。
- The VSCF (Variable Speed Constant Frequency) wind power generation is a new technology. 风速仿真是风力发电研究的重要手段之一。
- With suitable controller design, the isolator has the functions which reduce the resonance amplitude and isolate low frequency vibration well. 利用适当的控制器设计，使其具有降低共振幅度且隔离低频振动的功能。
- The APU engine drive the generator in lower speed to produce ac power at constant frequency. APU发动机以低速驱动发电机，从而产生恒频的交流电。
- Otherwise, the timer will use another constant frequency clock like the chipset, BIOS or the power management timer. 否则的话，计时器就将使用其它频率一致的时钟，如芯片组、基本输入与输出系统（BIOS）或电源管理计时器。
- According to the experimental results of absolute test and on-line test,the ultra low frequency vibration table is substituted with the SCM for FBA dynamic test. 通过对比力平衡加速度计的绝对测试和在线测试实验结果,证明自标定机构可以代替超低频标准振动台来进行力平衡加速度计的动态测试。
- Cropping mechanism is a key component for variant frequency vibration cropping,and its excited frequency directly affects manufacturing quality and production efficiency. 变频振动下料机构是变频振动系统的重要执行部件,其激振频率直接影响制造质量和生产效率。
- The decoupled control of active power and reactive power is a key technology of variable speed constant frequency (VSCF) wind energy generation system. 双馈发电机的有功和无功功率的解耦控制是变速恒频(VSCF)风力发电系统的关键技术。
- In order to restrain low frequency vibration of flexible manipulator, hysteretic damping of assembled flexible link is used to restrain the vibration of flexible manipulator. 摘要为抑制柔性机械臂的低频固有振动，该文提出利用组合结构滞迟阻尼效应来提高柔性机械臂的抑振性能。
- A control strategy for piezoelectric transformer backlight inverter based on a constant frequency control and phase control is presented. 以定频控制和相位控制为基础的控制方式被用来控制压电式背光换流器系统在本文中被提及。
- All kinds of circuit topology and power modulation technology for variable speed constant frequency(VSCF)wind power generator system are introduced. 简单介绍了变速恒频风力发电系统中出现的一些常用拓扑结构及功率调节技术。
- His wife was a constant inspiration to him. 他的妻子经常鼓励他。
