频率调节

It has following advantages:higher in frequency measuring accuracy,quich in regulation speed,higher in reliability,simple in man machine interface,etc..

提出了一种基于可编程控制器的水轮机调速器，它实现了用可编程控制器模块进行频率测量，具有测频精度高、调节速度快、可靠性高、人机接口简单等优点。

However, the modulating sawtooth waveform 40 typically is more than a hundred millivolt in amplitude and is imposed at the same point 13 in the SOM 10 as the IF beat frequencies which may be only a fraction of a millivolt in amplitude.

但是，调节锯齿波波形40通常是超过100毫伏的幅度，是强加在同一地点13日在一次高级官员会议10击败的中频频率可能只有一小部分的毫伏幅度。

By using this method,9 switching states were ensured during a sampling period of the matrix converter,and the duration of each switching st...

实验结果表明，采用提出的空间矢量脉宽调制优化调节策略，不仅消除了输出电压中的错误脉冲，而且降低了输出电压的总谐波畸变率，在输出频率为15Hz时，THD降低约15%，有效地提高了矩阵式变换器的输出波形质量，保证了系统的安全可靠运行。

What the EEG of EEG change mechanism of 1ADHD children records is cerebrum nerve yuan of integral report activity integrated, reflect cerebrum adjustment action, it is outstanding performance with the sex of law of periodic, section of frequency.

本文就ADHD的EEG探究进展作一综述。1ADHD儿童的EEG变化机制EEG记录的是大脑神经元的整体电活动的综合，反映大脑调节行为，以频率的周期性、节律性为突出表现。

Through proper adjustment to frequency modulation amplitude,the Kerr-effect-induced bias can be effectively reduced.

通过适当调节两光束的频率调制幅度，可有效地实现克尔效应误差的消除。

Driving the bimorph cantilever at one of its eigenfrequencies with an appropriate force feedback allows obtaining an effective Q-factor up to 103 in water from its original amount of ～ 40, that is, the sensitivity can be improved.

当双晶片在它的某一本征频率下被激励，通过调节一个适当的反馈力，它的机械谐振品质因数在水中可以从40增强到103，因此成像灵敏度获得显著改善。

In one embodiment, the signal is produced by spectrally filtering with a low pass filter, with the cross-over frequency being adjustable.

在一个实施方案中，用低通滤波器通过频谱滤波产生信号，该信号具有可调节的交叉频率。

Instead of triggering on each pulse, a phase lock technique examines the relative phase between each oscillator and many of its sync pulses and adjusts oscillator frequency so that the average phase discrepancy is small.

锁相技术靠检查各振荡器和许多同步脉冲之间的相位关系来调节振荡频率，使平均相位偏差很小，而不是用每一个脉冲进行触发。

New concept of active strain energy tuning is employed in order to tune the natural frequencies of the plate.

基于主动应变能调节的概念，可实现对板的固有频率的调整。

The advantages of this kind of filter are small size and easily tunable operation frequencies.

这种结构的滤波器具有体积小和工作频率易于调节等优点。

I am sure after a few weeks of adaptation and familiarization I will have no difficulty in functioning on a daily basis in an English speaking society or in participating fully in graduate studies.

在大学的三年的学习生活不仅给予我自身的充实，更重要的是磨练和培养了我较强的自觉能力和严谨，踏实的作风以及不怕困难的精神，对未来充满了信心！

As the first volcanoes erupted, one of the gases that bellowed out was steam.

在第一批火山喷发时，喷出的气体之一就是水蒸汽。