perturbation

美 [ˌpɜːrtərˈbeɪʃn]英 [ˌpɜːtəˈbeɪʃn]
  • n.摄动;微扰;不安;烦恼;忧虑;小变异

复数: perturbations

perturbationperturbation

noun

1

忧虑;不安;烦恼
the state of feeling anxious about sth that has happened

2

摄动;微扰;小变异
a small change in the quality, behaviour or movement of sth

temperature perturbations

温度的些微变化

perturbation

频次

  • 1
    N-VAR (尤指不常出现的)小变化
    A perturbation is a small change in the movement, quality, or behaviour of something, especially an unusual change.

    ...perturbations in Jupiter's gravitational field.

    木星重力场的微小变化

  • 2
    N-UNCOUNT (某事引起的)忧虑,不安,烦恼
    Perturbation is worry caused by some event.

    This message caused perturbation in the Middle East Headquarters.

    这则消息在中东总部引起了不安。

noun

1
the act of causing disorder
Synonym: disruption
2
a disposition that is confused or nervous and upset
Synonym: fluster
3
activity that is a malfunction, intrusion, or interruption
the term `distress' connotes some degree of perturbation and emotional upset
he looked around for the source of the disturbance
there was a disturbance of neural function
Synonym: disturbance
4
(physics) a secondary influence on a system that causes it to deviate slightly
5
an unhappy and worried mental state
there was too much anger and disturbance
she didn't realize the upset she caused me
Synonym: disturbance upset

数据来源:WordNet

  1. This message caused perturbation in the Middle East Headquarters .

    这则消息在中东总部引起了不安。

  2. Furthermore , the occasional failure of bone repair may in part be due to perturbation in the activation of local growth factors .

    此外,骨头修理的偶尔的失败可以部分地由于在本地的生长因素的激活的不安。

  3. Numerical Simulation Study on Nonlinear Crystal Growth Process Using Perturbation Method

    扰动法非线性晶体生长过程数值模拟研究

  4. MPPT Algorithm Based on Genetic Algorithm with Perturbation and Observation Control

    基于遗传算法和扰动观察法的MPPT算法

  5. The Best Perturbation Method Based on Genetic Algorithm Applied in Solving Inverse Problem

    基于遗传算法的最佳摄动量法在反问题中的应用

  6. Multi-channel active noise control system using Simultaneous perturbation algorithm is considered .

    使用同步扰动算法设计多通道有源噪声控制(ANC)系统。

  7. A New Composite Particle Swarm Optimization Introduced in Random Perturbation Operation

    一种引入随机摄动操作的新型复合粒子群优化算法

  8. A Study of Valve Dynamics by the Perturbation Method

    用摄动方法研究配气机构动力学

  9. On the numerical simulation of perturbation 's propagation and development in traffic flow

    关于交通流中扰动传播和发展的数值模拟

  10. A New Perturbation Theory of Electromagnetic Fields in Metal Cavity

    理想导体金属谐振腔电磁场微扰理论研究

  11. Positive Real Control for Linear Systems with Independent Coefficient Perturbations

    独立摄动参数不确定线性系统的正实控制

  12. Direct Chaotic System Towards Periodic Oscillation Solution Based on Perturbation Amplitude

    扰动幅度引导混沌系统到周期振荡解

  13. Perturbation theory with asymptotic methods for solving nonlinear problems and recent advances

    非线性问题的摄动理论和渐近方法及其进展

  14. In Chapter 3 , the author uses the method of parameter perturbation .

    第三章中主要运用的是参数摄动方法。

  15. Effect of shear loading perturbation on frictional behavior : an experimental study

    剪切载荷扰动对断层摩擦影响的实验研究

  16. Perturbation Analysis and Estimation of Dynamic Characteristics of a structure with close Natural Frequencies

    具有集聚固有频率的结构的动特性摄动分析和估计

  17. This paper studies the perturbation systems .

    该文研究扰动系统。

  18. Application of linear perturbation model to tidal level forecasting

    线性扰动河流预报模型应用&南京站、镇江站潮水位预报

  19. The stability condition can be determined via the asymptotic perturbation method .

    发展渐近摄动法确定稳定性条件。

  20. 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。

  21. Analysis of perturbation of the multigrid method and Its Applications

    多重网格法的摄动分析及应用

  22. Robust Design of the System with Matrix Elements ' Perturbation with an Observer

    带观测器系统对矩阵元素扰动的鲁棒性分析与设计

  23. These tend to appear with every perturbation in the economy .

    每次经济波动期都会出现这种天使。

  24. Matrix Perturbation Theory in Structural Vibration Analysis

    结构振动分析中的矩阵摄动理论

  25. Effect of perturbation frequency and spray pressure on liquid alloy jet instability

    干扰频率与喷射压强对合金射流的影响

  26. Based on this , the switched systems with nonlinear perturbation is investigated .

    在此基础上,我们又研究该系统在非线性扰动下的稳定性。

  27. Robust Control Problems under Both Controller and Plant Perturbations

    控制器与对象同时摄动的鲁棒控制问题

  28. Perturbation expansion method for boundary-value problems of nonlinear heat transfer

    非线性热传导边值问题的微扰展式方法

  29. Dynamic properties Study on Logistic Map with Stochastic Perturbation

    具有随机扰动的Logistic映射动力学性质研究

  30. Diagnostic analysis of the effect of perturbation pressure on cumulus convection

    积云对流中扰动压力效应的诊断分析