查询词典 oscillations

A new method to detect valve stiction for diagnosis of oscillations was proposed. The method which was easy to implement online could be used for both self-regulating processes and integrating processes, while most of other methods could only be used for neither self-regulating processes or integrating processes.

首先对控制阀粘滞特性进行了详细的定义和描述，在此基础上提出了一种可快速在线实现，并且适用范围较广的控制阀粘滞特性检测方法，克服了目前许多方法只适用于特定方法的局限性。

Such an instability may be relevant to quasi-periodic oscillations in black hole binaries.

这种不稳定性可能与黑洞X射线双星的准周期振荡有关。

These results indicated that complex topographic configuration in the Hengduan Mountains and climatic oscillations in Pleistocene promote genetic divergence of the large white-bellied rat.

川西白腹鼠的起源和种群分化可能与其地形的复杂性和在历史上该地区多次的抬升和气候的波动有关。

We can estimate the quantum mobility according to the expression of SdH oscillations. At the transition point, the relation μB ~ 1 is still valid, which represents a necessity of well-separated Landau bands in the energy spectrum.

根据SdH震荡的数学式，我们可以估计二维电子的量子迁移率，并发现μB ~ 1的关系式在相变点依然成立，此显示能谱上不同蓝道能带间之可解析的必要性。

One of the most important measures that are used to make TWT work stably and reliably is to suppress all kinds of self-oscillations, including BWO. On the basis of the coupled mode theory, considering the effects of attenuator/sever, taper/step phase velocity, voltage gradient of electron beam, etc.

本论文基于耦合模理论，全面地考虑了衰减器/切断、相速渐变/跳变和电子注的电位梯度等的影响，建立了抑制返波振荡的统一的自洽线性工作方程组，包括线路方程、运动方程和电流连续性方程，并给出了相应的边界条件。

Power system oscillations can occur in interconnected systems due to the dynamics of power transfer and may exhibit poor damping under certain conditions.

由于电力系统是非线性的，模型和干扰都是不确定的，寻找少依赖于数学模型因而具有较强适应性的控制策略一直是电力系统稳定控制研究的重要课题。

The results indicate there is a semi-diurnal (or two-high and two-low) tide in the mean-sea-level pressure diurnal oscillations.

研究结果显示松山机场年平均海平面气压日变化曲线有半日潮或两高两低现象。

Accompanied with the spark discharge,the cell voltage presents oscillations within the range of several volts,and the surface morphologies,the element distribution as well as the surface potential distributions of the anodic layer are significantly changed.

在电火花的影响下，镁合金氧化试样的表面形貌、元素分布以及表面电位分布等都发生了显著的变化。

This paper fully discusses the basic principle and experimental methods of determining aircraft longitudinal dynamic stability derivative during using half-model and various oscillations-free oscillation and fored oscillation.

本文较全面地讨论了当采用不同的振动法，即自由振动法和强迫振动法时，用半模型测定飞行器纵向动导数的基本原理和实验方法。

Further on, we will analyse the origin of these oscillations.

我们进一步的工作，是分析这些振荡的起因。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。