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- acoustic frequency generator 声频发生器
- The higher the acoustic frequency is, the stronger its directivity is. 而且所有声频均有指向性,声频愈高,指向性愈强。
- Hot firings show that the frequency of the oscillating shock is close to the acoustic frequency. 热试结果表明,振荡激波的频率与声频相近。
- Application of CTS telemetry technology in the acoustic frequency and spectrum logging tool. CTS遥传技术在声频谱测井仪器中的应用
- acoustic frequency signal generator 声频信号发生器
- Purpose: Audio frequency general purpose ,driver stage amplifier applications. 用途:用于音频放大,激励级放大。
- 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。
- 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。
- Of or relating to acoustic frequencies above the range audible to the human ear, or above approximately20, 000 hertz. 超过人耳能听到的范围或超过大约20,000赫兹的,与超过人耳能听到的范围或超过大约20,000赫兹的声音频率有关的
- 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。
- acoustic frequency measuring instrument 声频测量仪器
- 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。
- High Stability Synthesizer High Frequency Generator 高稳定度频率合成高频信号发生器
- 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。
- helical explosive magnetic frequency generator 螺旋型磁频率发生器
- frequency generator frequency doubler 频率发生器倍频器
- high frequency generator for endoscopy 内窥镜用高频发生器
- Opened the show with an acoustic set. 不用电子乐器开始演出
- intermediate frequency generator 中频信号产生器