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- constant frequency cyclotron 常频回旋加速器
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- PSM (Pulse Skip Modulation) is a novel modulation. This kind of modulation mode operates in constant width and constant frequency mode (CWCF) which differs from the fore both. 脉冲跨周调制模式(PSM, Pulse Skip Modulation)是一种全新的调制模式,异于PWM和PFM,是一种恒宽恒频(CWCF)的调制模式。
- Y. Hatanaka, “Zero-Current-Switching High Frequency Inverter With Constant Frequency Power Control,” Power Conversion Conference, Yokohama, No. 19-21, Apr. 1993, pp. 265-270. 黄少崴，“新型零电流切换脉波宽度调变蓄电池充电器”，昆山科技大学电机工程系硕士论文，2005年。
- Huliehel, F. A., F. C. Lee and B. H. Cho, “Small-Signal Modeling of Single-Phase Boost High Power Factor Converter with Constant Frequency Control,” IEEE PESC, pp.475-482, 1992. 方嘉隆，“高效能主动式功因修正器电路研制”，国立中山大学电机工程学系硕士论文，民国九十五年。
- 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；
- His wife was a constant inspiration to him. 他的妻子经常鼓励他。
- Abstract: Wind power generation system should adopt the variable speed constant frequency (VSCF) control strategy in order to maximize the use of wind energy. 中文摘要: 为了最大限度地利用风能，风力发电系统应采用变速恒频控制策略。
- Most bats produce a complicated sequence of calls,combining constant frequencies and frequency modulation components. 大多数蝙蝠通过混合恒定频率和变频组合，产生一个复杂的叫声序列。
- In terms of pitch, bats produce echolocation calls with both constant frequencies and varying frequencies that are frequently modulated. 关于音调，蝙蝠用恒定频率和频繁调整的变化频率发出回声定位的叫声。
- Her constant complaining just sticks in my craw. 她那不断的诉苦真使我受不了。
