perturbation

perturbation

美 [?p?:t?'be??n]  英 [?p?:t?'be??n]

  • n.攝動;擾動;微擾;憂慮
  • 網絡擾亂;干擾;動搖

詞形變化

復數:perturbations  

反義詞

同義詞

英漢雙解

n.
1.
[u]
憂慮;不安;煩惱the state of feeling anxious about sth that has happened
2.
[c][u]
攝動;微擾;擾動;小變異a small change in the quality, behaviour or movement of sth
temperature perturbations
溫度的些微變化

英漢解釋

n.
1.
【天】攝動;【物】微擾
2.
狼狽,不安,焦慮
3.
慌張,動搖;混亂
4.
引起不安[混亂]的事物;引起動搖的原因

英英解釋

n.

例句

In many physical situations, the Hamiltonian of the system is composed of an unperturbed Hamiltonian and a perturbation.

很多物理情況下系統哈密頓擾動哈密擾動部分組成

An example shows that the result by the perturbation bounds method is superior to that of the Routh Criterion.

實例計算表明單向勞斯判據更為快速精確

The invention discloses a pixel perturbation driving method and a time schedule controller applied by the method.

發明公開一種像素擾動驅動方法及其應用時序控制器

The examples show that the random perturbation method is both easy to be carried out and extremely efficient.

表明本文提出隨機算法易于實施十分有效

The result showed that this algorithm has better dynamic and stable property, and good robustness against parameter perturbation.

仿真結果表明使用控制算法系統具有良好動態性能穩態性能系統參數具有較強魯棒性

Many numerical methods and perturbation methods are used to understand the evolution of ultrashort pulses in single-mode fiber.

許多數值方法方法用于研究超短脈沖光纖演化

On the basis of singular perturbation approach, the controller consists of a NN slow subsystem and a robust-based fast control subsystem.

根據奇異方法控制器包括一個神經網絡緩慢子系統以及強大快速控制子系統

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

情愿眼睛滿反抗煩亂神色

The perturbation was a single extra 'spike, ' or nerve impulse, introduced to a single neuron in the brain of a rat.

干擾一個單獨額外信號神經沖動刺激一個單獨神經

when the perturbation accumulated into macro fluctuation, balance could be achieved by macro-evolution of the system self-organization.

系統累積宏觀波動系統組織宏觀進化達到物流資金供需平衡

The other is the initial value problem about the general, the non-autonomous singular perturbation of fractional differential equations.

一類一般自治奇異分數微分方程初值問題

It is not pretense nor play on prejudice. It is not the perturbation of a people passion-wrought nor a promise proposed.

進步不是宣言不是空談進步不是喬裝打扮不是玩弄偏見進步不是擾亂一個感情激動民族不是提出承諾

Therefore, the method can be used for analyzing the effect of random perturbation with known probability density on imaging quality.

因此對于任意隨機擾動已知概率密度情況使用這種方法可以分析相機成像質量影響

The mode perturbation method is applied to deduce the approximation analysis technique for dynamic characteristics of the prestressed beam.

采用得出求解預應力動力特性近似求解方法

Irradiation liberates the trapped molecule, permitting targeted perturbation of a biological process.

輻照解放分子允許針對性生物進程

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

供應系統上游壓力擾動導致相當流量振蕩

Moving the perturbation location along the circumference gives an expected flow fields with a series of asymmetric vortices .

通過控制擾動位置可以獲得期望非對稱多重渦流

It means that the results of the shear simulations under different pressure are reliable when relating to the theory of linear perturbation.

擾動波動理論角度說明本文所得不同壓力剪切加載模擬結果可靠性

And the feasibility of this algorithm is demonstrated in a computational experiment with high-frequency perturbation.

最后用帶有高頻擾動數值驗證提出算法有效性

With the time-dependent perturbation theory, the dynamics of a two-level system coupled to an Bose field is revisited.

角度出發重新求解玻色耦合系統動力學

On this basis, the project tries to analyze what measures should be taken by the plane in the weak perturbation to avoid the danger.

在此基礎課題嘗試分析擾動飛機應當采取哪些措施避免危險

The perturbation effect of the earths magnetic field on the orbital elements of a charged satellite is further studied.

研究地球磁場帶電赤道衛星軌道影響

The wave performance and its criterion of occurrence have been obtained by using perturbation theory and numerical method.

應用理論數值方法求得位移波形位移產生判別準則

this paper builds a dynamic model of a biped robot with Lagrangian method, then disturb and perturbation is extracted from the model.

本文利用拉格朗日建立雙足步行機器人動力學模型從中提取出干擾

To James, steady attention was thus the default condition of a mature mind, an ordinary state undone only by perturbation.

對于James來說穩定注意力成熟個體普遍特征普通狀態打破只能源于混亂

His real perturbation of mind would be best covered and pass concealed under a disguise of pretended lunacy.

假裝瘋狂掩護心神真正不安可以巧妙遮蓋起來

Based on perturbation of the stiffness and mass of a structure, the transfer function of the structure with an MTMD is derived.

基于結構剛度質量建立設置MTMD結構傳遞函數

Thus, the soliton perturbation theory is of importance for the research into more real nonlinear systems.

因而孤子理論研究實際物理系統具有實用價值

Moreover, an explicit and closed form of stability bound on perturbation parameter is provided and some other cases are also discussed.

進一步估計參數穩定定量表示以及討論其它情形

Perturbation Theory III. Transition Probability. Wavepacket. Degeneracy.

理論III躍遷幾率簡并

Preliminary findings are presented regarding Visi-Pitch settings in relation to automatically derived perturbation values (jitter).

初步調查結果提出關于訪問間距設置自動產生擾動抖動)。

Third, various meetings and Manpower to provide projector, digital camera equipment perturbation, arrogance car, station wagon.

各類會議統籌提供投影儀數碼設備旅行車

As the fingers are moved toward the center, this automatic averaging shows slight perturbation.

隨著手指中央這個自動計算平均值顯示微小波動

The singular perturbation algorithm is proposed to reduce the system dimension .

采用奇異算法使系統

We apply our result to a class of integral-differential equations with impulse perturbation for estimation.

最后所得結果用于研究脈沖積分-微分方程估計

The bubble type micro-pump of the invention is low in energy consumption and does not cause the problem of pH-value perturbation.

發明氣泡式微耗能不會使液體產生擾動問題

The gradients of the objective function with respect to the parameters are obtained through perturbation method.

目標函數相對參數梯度擾動計算

The range of the vortex also has impact on the perturbation kinetic energy and its change rate.

擾動范圍擾動動能大小變化存在一定影響

Here we present a dynamic systems-level study of cell fate change in murine ESCs following a well-defined perturbation.

這里我們提出一個動態系統以下一個明確水平細胞胚胎干細胞命運變化研究

For the visible parts, their rough location are done advanced, and then the perturbation model into the rough results is added in .

可見衛星軌道部分進行粗略定位然后加入模型進行精確求解