利用多普勒频率控制起爆就是方法之一。
Making use of Doppler shift to control explosion is one method.
介绍了用于感应电机起动的离散频率控制方法。
A discrete frequency control method is proposed for thyristorized static switch.
无线设备，使用这种类型的频率控制频率合成。
Wireless equipment that uses this type of frequency control is said to be frequency-synthesized.
铝合金超声铸造；超声波电源；频率控制；功率控制。
Aluminum ultrasound casting; ultrasound power; frequency tracking; power control.
本文为非从事频率控制的人员理解有关内容提供一轮廓性材料。
This paper also provides an outline description helpful to those not working on frequency control to understand relevant materials.
介绍了利用绕线转子异步电动机转子频率控制电机转速的新方法。
A new method controlling the speed of a motor by using the rotor frequency of a wound-rotor asynchronous motor is introduced.
感应电机能量优化控制常根据电机静态模型采用恒转差频率控制。
The energy optimization control of asynchronous machine often uses the permanent slip frequency control according to the electrical machinery static model.
直接数字频率合成技术(DDFS)是一种先进的频率控制技术。
Direct digital frequency synthesis (DDFS) is an advanced technique for frequency synthesis.
感应电机能量优化控制常根据电机静态模型采用恒转差频率控制。
The programfeasibility is further discussed for the slip frequency control of linear induction motor and the control program is proposed.
因此，在理论上，该方案的跟踪精度要优于叉积自动频率控制环。
Therefore, in theory, tracking precision of the proposed scheme will precede CPAFC.
基于输出电压表达式，还提出谐振开关电容变换器的频率控制方案。
A frequency control method for RSC converters was achieved based on the output voltage expression.
通过对试验结果的观察分析，确定了较为理想的振动频率控制曲线。
Through the analysis of experimental results, the ideal vibration frequency curve was determined.
本文基于交叠DFT算法提出了一种新的自动频率控制环结构设计方案。
A new structure of automatic frequency controlling loop based on overlapping DFT algorithm is proposed in this dissertation.
利用这种技术可以方便的实现高精度、连续相位、高分辨率的频率控制。
By means of this technique, the signal frequency can been controlled with facility, accuracy, continuous phase and fine frequency resolution.
按下频率锁定按钮前面板所有频率控制按钮将被禁用，防止意外改变频率。
FLOCK button. Pressing the frequency Lock button will disable all frequency determining controls on the front panel, to prevent accidental changes of frequency.
在几种常见的电机控制方式中，最终选定了转差频率控制方式的变频调速技术。
Slip frequency as a technique of frequency conversion is finally adopted among several control methods of motor.
同时也兼顾到了天线姿态，波束指向的控制；雷达波门，脉冲重复频率控制；
It also discusses the antenna beam control, the radar pulse control, and the clutter-lock on the raw data stage, etc.
本文讲述了频率控制原理，给出了实现电路和测试数据，证明了此方法是可行的。
The frequency control principle is discussed, and the designing circuit and test result given, which prove that the solution works.
频率锁定，按下这个按钮前面板所有频率控制按钮将被禁用，防止意外改变频率。
FLOCK button. Pressing the frequency Lock button will disable all frequency determining controls on the front panel, to prevent accidental changes of frequency.
然后，应用分层估计和前馈补偿原理导出电力系统状态估计和负荷频率控制方程。
Then the principles of hierarchical estimation and feed forward compensation are applied to derive the power system state estimation and load frequency control equations.
本丈对转差频率控制的变频调速系统进行讨论，分析这种控制方式所存在的不足；
This paper discusses the slip frequency control of variable frequency regulating speed system, and analyses the shortage of this control way.
在此基础上讨论了直线感应电机转差频率控制方案的可行性，并给出了控制方案。
This paper deduces the relationship between power factor and slip angle frequency based on equivalent circuit of induction motor in stable state.
基于观测出的状态信息，构成了转差频率控制的转矩速度双闭环新型变频调速系统。
Utilizing the information observed, a new type of slip frequency controlled torque-speed double closed loop system is developed.
介绍了风力发电系统的两种形式和并网运行的频率控制、功率控制、发电机转速控制。
Two kinds of wind power generation systems are introduced as well as the frequency control, power control and rotational speed control of generator in parallel operation.
对其振荡频率控制、信号输出幅度控制以及频率和幅度数显的实现作了较详细的论述。
We described the control of the oscillatory frequent , amplitude and the digital display in detail.
为此，在频率控制领域首次引入了最佳逼近算法，它能给出频率偏差的最小-最大解。
Pell equation and its solution are introduced and also some theorems about minimum solutions of Pell equation are given out.
介绍采用磁电脉冲测速构成转差频率控制的闭环变频调速系统的组成、原理及动态性能。
The paper introduces the composition, principle and dynamical performances of the closed loop VVVF system using magneto electric pulse tacho apparatus to constitute the slip frequency control.
介绍采用磁电脉冲测速构成转差频率控制的闭环变频调速系统的组成、原理及动态性能。
The paper introduces the composition, principle and dynamical performances of the closed loop VVVF system using magneto electric pulse tacho apparatus to constitute the slip frequency control.
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