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- fixed frequency generator 固定频率发生器
- These models use a simulated input transducer that vibrates purely sinusoidally with a fixed frequency. 这些模型采用一个模拟输入探头，以完全正弦波的形式按固定频率振动。
- Improvement of Fixed Frequency Sine Signal Generator by DDS 基于DDS的固定频率正弦信号发生器的改进
- Purpose: Audio frequency general purpose ,driver stage amplifier applications. 用途:用于音频放大,激励级放大。
- The HV9931 is a fixed frequency PWM controller designed to drive proprietary single-stage single-switch no-isolated topology,cascading an input power factor correction(PFC)buck-boost stage and an output buck converter power stage. HVV9931是一个设计用于驱动专利单级单开关非隔离拓扑,级联一个输入PFC降压-升压级和输出降压变换器级的固定频率PWM控制器。
- In the process of maintaining and upgrading 8410 ICP direct reading spectrometer, maintaining and adjusting of -145 V switching power supply of ICP high frequency generator are often required. 摘要在维修和改造8410型电感耦合等离子体直读光谱仪过程中，经常需要对ICP高频发生器中的开关电源进行维修和调整。
- If you touch the string gently, it vibrates at a fixed rate ( in other words, at a fixed frequency), but the distance between the top and bottom of the area in which it vibrates is small. 如果你轻轻地拨动琴弦， 琴按照固定的频率来震动（换言之，其频率是固定的），但它从顶部到底部的震动区域的范围是小的。
- A kind of cost-effective and high performance inverter for portable immediate frequency generator was develoed combining the dual phase-shifted SPWM control strategy with digital SPWM modulator. 将二重移相SPWM控制策略与数字式SPWM调制器相结合,研制了一种适用于便携式中频发电机的低成本、高性能逆变器。
- Voltage and frequency generated by synchronous generator vary along with the wind variation, so the power must be dealt with before it is applied to grid. 同步直驱风力发电系统的定子电压和频率随风速的变化而变化,需要经过一系列控制电路的调整才能并网。
- The tables are firmly fixed to the floor. 桌子都牢牢地固定在地板上。
- The heterodyning principle is well known in nonlinear optics as difference frequency generation (DFG). 在非线性光学领域,超外差原理就是著名的差频产生(DFG)技术。
- The man jacked up his car to fix a flat tire. 那人用千斤顶把他的汽车顶起以修理漏气的轮胎。
- I bought a run-down farm house and plan to fix it up. 我买了一间破败的农舍，打算整修整修。
- High Stability Synthesizer High Frequency Generator 高稳定度频率合成高频信号发生器
- We needed someone to fix the tape recorder. 我们需要有人来修理录音机。
- bipolar high frequency generator 双极高频发生器
- It is proved that the multi-reflection of F-P cavity has little influence on the measurement of vibration with a frequency generally not higher than some dozen kilohertz. 发现透射响应比反射响应有微小延时,证明了F-P腔的多次反射原理对于一般频率不超过几十千赫兹的振动信号的测量没有影响。
- I can fix up you with a used car. 我可以为你提拱一辆旧车。
- I tried to fix the date in my mind. 我试着把那个日期牢记在心。
- helical explosive magnetic frequency generator 螺旋型磁频率发生器
