经过位置优化，在不同扰动频率下都可得到良好的消声效果。
After optimization of the placement, good effect of noise reduction is obtained at different disturbing frequencies.
裂面形貌扰动频率越小，振幅对裂腔分节临界形态比的影响越显著。
When the frequency is small, the amplitude has an obvious effect on the critical aspect ratio.
两光波扰动频率的大小关系会影响不稳定增益谱的谱宽、峰值和形状。
The shape, width and peak of the power gain spectra of modulation instability will be influenced by the size relationship of the perturbation frequencies of the two waves.
研究表明，当扰动频率低于多壁碳纳米管的临界频率时，振动模态是同轴的；
The analysis shows that when the frequency is lower than the critical frequencies of the shells in MWCNT, the vibration mode is almost coaxial.
这两个特征扰动的扰动频率与压气机转速成正比，与转子转动频率的相对频率分别等于5和8；
The frequencies of these disturbances are approximately in proportion to rotor speed and the relative frequencies are 5 and 8 respectively in terms of rotor rotating frequency.
随着某一扰动频率增大，增益谱的谱区数及变化规律将随两光波所处的光纤色散区的不同而不同。
With increase of one of the perturbation frequencies, the number of the spectral regions and its variation will be different for different dispersion regimes.
该模型对扰动频率非常敏感，扰动频率满足一定条件是动力扰动下洞室发生层裂屈曲岩爆的必要条件；
The model is sensitive to disturbance frequency which is an essential factor for rock burst occurrence, and is insensitive to disturbance amplitude.
对于不同的来流速度与不同的人工扰动频率与波数，一系列的实验研究提供了一组初始扰动的增长曲线。
The initial instability development has been investigated for different modes of artificial disturbances and oncoming wind speeds.
如果探测器与火星保持静止，那么它向地球发出的信号将会产生频率畸变。由此，我们可以推算出火星轴线的扰动率。
If the rover were not moving, the frequency distortions of its signals to Earth would reveal the rate of wobbling in Mars's axis.
但当科学家们开始将这些数据分布在地图上观察时，他们发现了一些模糊的黑点，表示无线电频率的扰动。
But when scientists started looking at the data overlaid onto a map, they saw dark spots of fuzz, indicating radio frequency interference.
在线预测系统扰动后的稳态频率，有利于扰动后系统频率稳定性评估和紧急控制。
On line predicting obtaining power system post disturbances steady frequency is beneficial for frequency stability assessment and emergency control.
笔者指出，当入射引力波和高斯束不同频率时，高斯束谐振系统产生的一阶扰动光子流没有观测效应。
This paper points out that the first-order perturbation photon flux produced by this system has not observed effect when GWs is different from frequency of Gaussian beam.
如果只考虑磁扰动的贡献，不同值的振动模的频率变化仅只是涨落磁场能谱的函数。
For the magnetic perturbation contribution, we obtain the frequency shift of modes with different degree as a function of the spectrum of fluctuating magnetic field.
似正常振荡阶段的振荡频率和衰减时间被称为似正规模，与初始扰动无关，主要由黑洞的参数决定。
The frequencies and damping time of the quasinormal oscillations called "quasinormal mode" (QNM) are determined only by the black hole's parameters and independent of the initial perturbations.
风的扰动主要包括风速、频率等的变化，并受不同林木密度和复杂地形下的风场分布的影响。
The disturbance of wind mainly means the variety of speed and frequency of wind, and it's affected by forest density and the distribution of wind field under complex landform.
系统保留了传统串级控制系统克服内回路扰动、提高系统工作频率的优点。
The system has retained the advantages of traditional cascade control systems, which consist of overcoming inner-loop disturbances and increasing the working frequency of the system.
利用波扰动方程，分析研究了声表面波器件频率-温度敏感性与石英晶体各向异性参数之间的关系。
The temperature sensitivity of the frequency as a function of quartz crystal anisotropy is presented by the perturbation equation due to the temperature change.
潮汐谱峰对应的频率一般与其定义值有偏离，说明它们经常处在被扰动的状态。
The frequency corresponding to each tidal component often shows a deviation from its definition value.
通过该方法可以确定非平稳的电能质量扰动信号的时间、频率和幅值信息；同样也可以精确的检测出谐波的幅值和频率。
It can detect time, amplitude and frequency of the power quality disturbances and also detect amplitude and frequency of harmonics by this method.
利用耦合模理论分析了在双锥光纤耦合区中声光的相互作用，讨论了在不同耦合区半径下扰动周期与声波频率的关系。
The acoustooptic interaction in biconical optical fiber was analyzed based on coupled mode theory, and the relationship between perturbation period and flexural wave frequency was discussed.
描述了用EPROM实现晶闸管电压线性触发原理，讨论了用锁相环解决数字触发的频率扰动问题。
The principle of voltage linear digital triggering of thyristor by EPROM is described and it is discussed to solve the frequency disturbance on digital trigger by phase locked loop .
表观相速度扰动程度随频率减小而增加，直至出现大扰动。
Disturbance degree of the apparent phase velocity increases with decrease of frequency until a maximum one occurs.
电力系统基波幅值、相位、频率扰动是最基本的电能质量扰动。
Amplitude deviation, frequency deviation and phase deviation are basic power quality disturbances.
重点讨论了扰动是正弦函数形式时，耦合强度、频率、波数、初始相位差对光孤子传播的影响。
This paper focuses on the perturbation which takes the sine form. The effect of amplitude, frequency, wave number, and initial phase difference on the propagation of optical soliton is investigated.
直流侧电流扰动反映到交流定子侧，也将发生频率偏移。
And the resulted AC current on the DC side will have the similar frequency shift when transfers to the stator of the generator.
根据表面质点响应中瑞利波和反射体波能量分配分析表观相速度扰动机制，讨论振源、测点、洞穴三者相对位置及频率对表面波表观相速度影响。
Mechanism of disturbance of apparent phase velocity is analyzed from distribution of energies of Rayleigh waves and the reflected body waves in the responses.
基于共振声谱法，研究了同轴孔隙性圆柱扰动体引起圆柱谐振腔共振频率的偏移。
In this paper, the problem of the acoustic resonant frequency shift of a cylindrical cavity with a coaxial porous sample is discussed on the basis of the resonance acoustic spectroscopy.
在DVD聚焦伺服系统中，光盘翘曲会导致产生与光盘转动频率相同的周期性扰动。
In DVD focus servo system, the skew of the disc induces periodic disturbance whose frequency is the same with the rotation frequency of the disc.
本文提出了一种基于频率及负荷扰动的水轮机调节方法。
A control strategy on the basis of both frequency and load signals for water turbine is proposed and described in this paper.
本文提出了一种基于频率及负荷扰动的水轮机调节方法。
A control strategy on the basis of both frequency and load signals for water turbine is proposed and described in this paper.
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