perturbation怎么读

英式音标：[ˌpɜ:təˈbeɪʃn]

美式音标：[ˌpɜrtərˈbeɪʃn]

perturbation基本解释

n. [数][天] 摄动；不安；扰乱

perturbation的意思释义

n.

忧虑；不安；烦恼；摄动

变形

复数：perturbations

英英释义

n.

an unhappy and worried mental state

同义词：disturbanceupset

(physics) a secondary influence on a system that causes it to deviate slightly

activity that is an intrusion or interruption

同义词：disturbance

a disposition that is confused or nervous and upset

同义词：fluster

the act of causing disorder

同义词：disruption

perturbation用法及例句

词组短语

perturbation method[化]微扰法，微扰理论

perturbation theory微扰理论；摄动理论

perturbation equation扰荡方程，扰动方程

双语例句

用作名词(n.)

The effects of WOB fluctuation of drill string on the wellbore trajectory are analyzed by using stochastic finite element method and perturbation equation.

借助随机有限元方法和摄动方程初步分析了钻压波动对井眼轨迹的影响。

例句参考

Perturbation theory for linear operators

Introduction to Perturbation Techniques

Self-consistent perturbation theory of diamagnetism. Mol Phys 27: 789-807

Many-Body Perturbation Theory and Coupled Cluster Theory for Electron Correlation in Molecules

Second‐order perturbation theory with a complete active space self‐consistent field reference function

Phonons and related crystal properties from density-functional perturbation theory

Electron Correlations in Narrow Energy Bands. V. A Perturbation Expansion About the Atomic Limit

Contribution of triple substitutions to the electron correlation energy in fourth order perturbation theory

Different forms of the zeroth-order Hamiltonian in second-order perturbation theory with a complete active space self-consistent fie...

perturbation词源

perturbation (n.)

late 14c., from Old French perturbacion \"disturbance, confusion\" (14c.) and directly from Latin perturbationem (nominative perturbatio) \"confusion, disorder, disturbance,\" noun of action from past participle stem of perturbare (see perturb).

perturbation相关例句

1. This study illustrated that the theorem could be also applied in a case where the sources and sinks are on the circle by means of the regular perturbation method.

经典圆定理只证明了奇点位于圆外的情况，本文用正则摄动法证明了源和汇位于圆上时，圆定理也是适用的。

2. Through the symbol computer algebra, a fourth order perturbation solution for the one dimentional stable coupled flows of elastic fluids in the deformable porous media.

用计算机代数系统进行符号运算，求得了可变形多孔介质中弹性流体一维定常耦合渗流问题的四阶摄动解。

3. 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.

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。

4. This paper presents an iterative method for separating singular perturbation control systems.

文章提供了一种奇异摄动控制系统的迭代分解方法。

5. Of necessity a man must be altogether in a state of perturbation who wants any of these things; and besides, he must often find fault with the gods.

想要这样一些东西的人必定会完全处在一种烦恼不安的状态，此外，他一定会常常抱怨神灵。

6. In chaos theory, the smallest initial perturbation can result in a huge change downstream.

在混沌理论中，较为微小的初始混乱可能导致后续巨大的下游变化。

7. In this paper, a second order direct perturbation method for eigensensitivity analysis of arbitrary non defective system is developed.

本文发展了一种任意非亏损系统特征灵敏度分析的二阶直接摄动法。

8. From the perturbation equation of the shaker stability, the conditions of self synchronous stable running are derived.

利用振动筛的稳定性扰动方程得到了同步稳定运转条件。

9. The Bohr condition for quantum transitions and the Einstein law for photo-electric effects are approximate results of perturbation.

跃迁的玻尔条件和光电效应的爱因斯坦定律都是微扰近似的结果，在强激光引起的跃迁中不成立。

10. Superconvergent perturbation method in quantum system is briefly introduced.

简单介绍了量子系统中的超收敛微扰法。

11. Then the mass sensitivity is obtained by combing perturbation theory.

然后根据微扰理论推导乐甫波传感器的质量敏感度。

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12. The elastic characteristics of corrugated shells are obtained by using the perturbation and power series method.

采用摄动法和幂级数方法，得到了波纹壳的弹性特征。

13. The harmonic, sub-harmonic and multi-harmonic response of the premixed flame to acoustic perturbation was observed.

预混火焰对声波扰动的谐波、分谐波和高阶谐波响应并存。

14. With the method of non-linearity scale, the singular perturbation solution for a class of two order different equations is discussed, involving small parameter in the two order derivative.

利用非线性尺度法讨论了在高阶导数含有小参数的一类二阶微分方程的奇异摄动解。

15. It is well know that the convergence of the perturbation method isnot guaranteed for large variation.

众所周知，对于较大的偏差，扰动法无法保证解的收敛性。

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16. According to perturbation theory for degenerate energy level, a system of two coupled quantum dots has two energy levels-symmetric state energy level and anti-symmetric state energy level.

根据简并态徽扰理论，单量于点的一个能级分裂为系统的两个能级，即对称态和反对称态。

17. This paper gives the elastic differential equation of collapse of perforated casing, and a general formula for reduction factor of elastic collapsing by perturbation method.

建立了射孔段套管弹性抗挤性能分析控制一般方程，并采用摄动理论给出了的孔段套管弹性抗挤能力降低系数一般计算公式。

18. The paper put forward a method based on resonant cavity perturbation principle to measure the hydrogen wetness in generator.

本文提出了基于谐振腔微扰测量发电机氢气湿度的方法。

19. In this paper, the differential quadrature domain decomposition method is applied to a kind of nonlinear singular perturbation problems.

应用微分求积区域分裂法求解非线性奇异摄动问题。

20. Apply the compensator online for adjusting the PID parameter of the controller, to attenuate the parameter perturbation, nonlinear and outer disturbance of the system.

将神经网络自适应补偿器与PID控制器并联，补偿系统参数摄动、非线性和外界扰动对系统控制性能的影响，提高系统的鲁棒性和抗干扰能力。

21. The leading principle in itself wants nothing, unless it makes a want for itself; and therefore it is both free from perturbation and unimpeded, if it does not disturb and impede itself.

指导的原则本身除了需要自己之外，再不要任何东西，所以它是免除了打扰，不受阻碍的，只要它不扰乱和阻碍自己。

22. The Free-Parameter Perturbation Method together with Spline-Method are applied to study the nonlinear local stability of the dished shallow shell under uniformly distributed loads, i.

将自由参数摄动法与样条函数拟合法结合起来，研究了碟形扁壳在均布载荷作用下的非线性*部稳定问题，即壳体的起始失稳区域，以及该区域与几何参数的关系等问题。

23. The perturbation technique is employed to solve this problem. The correlation of the entire solidification time under the third boundary condition. 3 .

用奇异摄动法对冰球的凝固进行了近似分析求解，得到了第三类边界条件下凝固解的表达式。

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24. The system under consideration involves state time delay, nonlinear perturbation and parameter uncertainties.

系统包含状态时滞，非线性扰动和参数不确定性。

25. The discontinuity of a tuning post in fin line is firstly analyzed with mode matching method and perturbation technique.

首次应用模式匹配法和微扰法对鳍线侧边调谐螺杆不连续性进行了分析，并进行了实验研究。

26. In this paper, the small signal port characteristics is established by the \"perturbation signal feedback injection method\", which lays a foundation of the system stability analysis.

本文在对系统进行适当简化的前提下，采用“扰动信号反馈注入法”建立了系统的小扰动端口特性，为系统的静态稳定性分析奠定了基础。

27. The paper used singular perturbation method to separate the Two-link Flexible Manipulator system into slow sub-system and fast sub-system and designed controller using Sliding Mode Co.

本文中采用奇异摄动方法将双连杆柔性机械臂系统分解为慢变和快变两个子系统，并对慢变子系统采用滑模控制方法设计了控制器。

28. There are many perturbation factors on Zhalong wetlands , they include climate, flood pulsing , fire, project construction, farming and grazing .

扎龙湿地的扰动因子有气候、洪水、火、水利工程、农业活动等因子。

29. Sensitivity analysis under weaker conditions is dealt with in this paper and the relationships among the contingent derivates of the other proper perturbation mappings are investigated.

给出了更弱条件下的灵敏度分析，并且对其它真扰动映射的切导数之间的关系进行了分析。

30. The elastic characteristics of circular corrugated plate are obtained by using the perturbation and power series method.

采用摄动法和幂级数方法，得到了波纹图板的弹性特征。

31.He was making no attempt now to conceal his perturbation.

他已经不再企图掩饰自己的惶恐不安了。

32.A perturbation in pressure at the upstream end of the feed system could result in sizable oscillations in flow rate and chamber pressure.

供应系统上游端的压力扰动可导致相当的流量和室压振荡。

33.Because of the perturbation, Mars experiences some torque.

因为有微扰，火星就受到一些转矩的作用。

34.We must seek two main approximation methods of solution, the variation method and perturbation theory.

我们必须寻求两个主要的近似解法、变分法和微扰法。

35.secular perturbation

长期摄动

38.Unwillingly she met his eyes, defiance and perturbation on her face.

她极不情愿地看着他的眼睛，满脸反抗和烦乱的神色。

40.He was altogether a fine example of great mental perturbation.

几个月来他第一次喝了那么多白兰地兑苏打水，活脱脱是一副心烦意乱的模样。

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