共振

First, the backward Kolmogorov equation for the conditional reliability function and the Pontryagin equation for mean first-passage time and then- associated boundary and initial conditions are derived based on the stochastic averaging methods for quasi non-integrable, quasi integrable and quasi partially integ...

首先利用拟不可积、拟可积非共振及拟部分可积非共振Hamilton系统的随机平均法分别给出了研究该系统首次穿越问题的提法，包括计算条件可靠性函数的后向Kolmogorov方程及计算平均首次穿越时间的Pontryagin方程及其边值条件。

On the other side, such strong vibration may also become an important factor of abnormal wheel wearing, wheel spalling and rail corrugation of certain wavelengths. An approximate estimation of resonance conditions is given and the influences of ...

本文对轮对纵向共振的形成条件进行了分析，给出了近似计算判据，并对车辆主要参数对共振的影响进行了分析，最后给出了一种抑制纵向振动的建议方案。

Aiming at the mathematic model of shafting crankle coupling vibration based on the subsection continuous mass model,the multidimensional frequeney analysis method is put forward and developed.Combining frequency change with shafting configuration parameter,it's more favorable to have direct analysis.The method...

针对基于分段连续质量模型的轴系弯扭耦合振动数学模型，进一步简化并提出多维频率分析方法，将频率变化与轴系的结构参数联系起来，有利于直观分析，同时给出分析振型、共振频率及共振模态等的方法

We also have done some work about it. In this dissertation, the first, the common fluorescence spectrophotometer is used to study the ion-associated systems of cadmium-phenanthorline-bromophenol blue system and zinc-thiocyanate- crystal violet system.

同时由于目前共振光散射技术在基础理论方面尚不很完善，还需做大量的实验研究和理论探索工作，本文也在共振光散射技术理论方面进行了初步探讨。

In order to study the primary resonance and primary parametric resonance of current-carrying conductor subjected to harmonic excitation and ampere force, the Mathieu-equation of the system is derived first.

研究受简谐激励的二长直电流间载流导线的主共振主参数共振问题，应用动力学方法建立载流导线受外部激励和安培力的Mathieau方程。

However, we know by theoretical analysis that the ion cyclotron resonance heating energy is mainly absorbed by the vertical component of resonant ions.

然而，理论分析指出，离子回旋共振加热的能量主要是被共振离子的垂直分量所吸收。

Examples are helicon discharge , electron cyclotron resonance, and ion cyclotron resonance.

例子有螺旋放电，电子回旋共振，以及离子回旋共振。

Based on the equivalent circuit, the resonance frequency equation is derived and the expression of the resonance frequency is obtained.

在此基础上，得出了振子空载时共振频率方程和振子共振频率的表达式。

Based on the simple global noise source, take the noise which is cared by people into account. Get the sound pressure level after processing the noise sources sound pressure. Educe the allowable value of the upper limit, through linking to the sound pressure level which is permitted. Taking the value into the reliability modals established before, found the diplex integral mathematics modals that is restricted.

考虑约束因素的影响，引入人们所关心的噪声，以结构简单的球形声源为基础，在对声源声压做了相对处理后，得到其声压级，结合许用声压级指标，求得许用频率上限值，将该值代入已建立的防共振模糊可靠度模型，建立有约束防共振模糊可靠度计算的双重积分数学模型。

Finally, a nonlinear dynamic model of vibration friction system with compaction equipment was proposed. Its resonance and non-resonance responses were obtained.

建立了基于振动压路机的振动摩擦系统非线性动力学模型，利用渐进法得到了振动压实过程的共振响应和非共振响应。

I think he's learned how to approach hitters....

Johhny Damon说，『他已是最好的了，再没有人能够比他做的更好，我想他的球技已经完全成熟了，而且他也已经学会了如何去对付和压迫各种打击者。。。。。。

In effect, an 18 foot King Cobra could actually look down onto the average human being.

际上，一个18尺眼镜蛇王其实可以俯视到的平均人。