查询词典 perturbation function

Moreover,the radius of focal spot increases with the spatial phase perturbation of the high-power ultraviolet laser.

研究结果表明：当传输距离超过阈值条件时，焦斑半径随传输距离的增大而明显增大，且相位畸变越大，焦斑半径也越大。

The variation of focal spot size with the spatial phase perturbation and propagation distance has been analyzed quantitatively.The results indicate that the radius of focal spot increases with the propagation distance if once the threshold condition fulfilled.

讨论了强紫外激光在空气长程传输中所产生的受激旋转喇曼散射效应对其聚焦光斑形态的变化，定量分析了焦斑半径随入射强紫外激光的空间相位畸变及传输距离的变化。

The results show that the responses are decreased with the addition of viscous energy dissipation brace systems, and traveling wave effect is disadvantage to the structure, and pseudo static displacement is decreasing with the increasing of wave velocity. The approximation results by the first-order perturbation modification based on forcing decoupling method are precise.

结果表明，加粘滞耗能支撑后，结构的反应明显减小；行波效应对结构的反应是不利的，且拟静力项的影响随着波速的增加而减小；基于强行解耦的一阶摄动修正法给出的近似解有很好的精度。

A systematic study of correlation between nose disturbances and evoluted behaviors of asymmetric vortices over slender body models has been conducted. The new flow phenomena have been revealed in which the two-cycle behavior of Cy vs.γ curve for asymmetric vortices flow is continuously changed into one-cycle behavior with increasing of disturbance strength on the model nose tip. This newly found flow phenomenon is important and it provides a physical flow base to the perturbation active control of forebody asymmetric vortices flow.

系统研究并获得了头部人工微扰动的形式、位置和强度与非对称涡响应演化之间的相关关系，揭示了前体非对称涡系随头部扰动强度的变化呈现出由双周期向单周期连续演化的新现象，它为实现前体非对称涡的扰动主动控制提供了流动的物理基础，以此提出了单孔位微吹气扰动主动控制新技术。

The disorder contained can only cause the complexity in the organization, disorder outside organization has the influence to organization complexity, but it cannot cause the organization the complexity, only if it is absorbed and in the organization, can the disorder constitute the complexity; all nature of the complexity is produced because of the disorder in the organization, if there is no the disorder, the organization has no nature such as fortuitousness, randomness, multiplicity and non-linearity, and it is impossible to appear the perturbation, the fluctuation, emerges with phenomenon such as branch, and cannot change suddenly and evolve.

无序只有包含于组织中才能够导致复杂性，组织外的无序对组织的复杂性产生影响，但它不能导致组织的复杂性，只有被组织吸收，成为组织内的无序，才能构成复杂性。复杂性的所有性质都因包含于组织中的无序而产生。没有无序，组织就没有偶然性、随机性、多样性和非线性等性质，就不可能出现扰动、涨落、涌现和分岔等现象，就不能突变和进化。

This study shows that the occurrence of these seiches is likely the result of coupling and resonance between atmospheric perturbation and free mode oscillation of the bay, which has the oscillation of off-shore surface wave as an intermediate media.

研究认为，假潮的发生很可能是大气扰动通过外海表面波作为中间机制，与港湾自由态振动之间产生耦合共振的结果。

The new method was based on the electrochemical fundamental equations and was combined with coulostatie perturbation techniques, i.e.

该方法以电化学基本方程为基础，结合恒电量微扰技术原理。

This paper mainly consists of three parts:(1) Based on the Reddy's higher-order shear deformation plate theory and general von Kármán-type equations, put forward the governing equations of pre- and post-buckled vibration of several hybrid FGM plate forms which have not been studied adequately, triumphantly applying the perturbation technique combined with Galerkin method into equations solving, and get the comparatively simple result forms with complicated deduction at last;(2) As a new type of materials, piezoelectric fiber reinforced composite actuators were applied to optimal vibration control, interrelated informatons be depicted in this paper;(3) During the investigative cource, some factors not been considered adequently in other researches were discussed fully in the postbuckled vibration analysis, such as the temperature-dependent material coefficients, heat conduction and nonlinear vibration characteristic etc.

本文的研究工作主要包括：(1)基于Reddy高阶剪切变形板理论和广义Kármán型方程，给出了几类现有研究成果较少或没有彻底解决的FGM混合板结构的屈曲前和屈曲后振动特性研究的控制方程，成功将摄动-Galerkin混合法应用于求解过程，并给出了各控制方程相对直观且易于计算的解析解形式；(2)单向压电纤维增强复合材料(Piezoelectric Fiber Reinforced Composite，简称PFRC)是一种新型压电材料，本文将其应用到了结构振动控制研究当中，发现通过压电纤维体积含量的选择可以实现混合板结构的优化振动控制；(3)围绕几种有代表性的FGM混合板结构，讨论其屈曲后的振动特性，在分析中同时考虑热传导，材料物性参数的温度相关性，以及机/热/电荷载耦合效应对非线性振动特性的影响，最后给出了大量数值计算结果。

The operator splitting/finite element method with unstructured triangular grids are used to solve the general gas lubrication equation and the perturbation method is adopted to analysis the stability of the coupling system of air film and slider.

论文的计算结果表明算子分裂法能有效克服高轴承数下数值解的振荡问题，可得到合理的气体压强分布和气浮力。

The existence of the radially classical solutions with Dirichlet boundary value in unit ball was investigated. Based on perturbation technique, topological method and comparability theorem, the existence of the radially symmetric solutions for the generalized mean curvature equations with proper presupposition was established.

在单位球内考虑广义平均曲率方程组具有Dirichlet边值条件的径向古典解，运用摄动技巧、拓扑方法及比较原理，在一个适当的条件下，证明了广义平均曲率方程组径向对称解的存在性。

The studies on the developing of new media are very important to the increasing of the area density of HDD and to the implementation of hybrid recoding technology.

光磁混合记录方法，是一种可以突破超顺磁极限的限制，并进一步提高硬盘记录密度和读写速率的一种新型超高密度信息存储方式。

In io, mTOR inhibition promotes T cell anergy under conditions that would normally induce priming.

体内研究中，在正常可激发免疫反应的条件下，抑制mTOR可促使T细胞无能。