perturbation

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

在很多物理情况下，系统的哈密顿量由未扰动哈密顿量与扰动势两部分所组成。

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

实例计算表明，单向摄动界法较劳斯判据法更为快速、精确。

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

本发明公开了一种像素扰动驱动方法及其应用的时序控制器。

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

算例表明，本文所提出的随机摄动算法易于实施，且十分有效。

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

仿真结果表明，使用该控制算法系统具有良好的动态性能和稳态性能，对系统参数摄动具有较强的鲁棒性。

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

许多的数值方法和微扰方法被用于研究超短脉冲在光纤中的演化。

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

根据奇异摄动方法，该控制器包括一个神经网络缓慢子系统以及强大的快速控制子系统。

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。

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

干扰是一个单独的额外尖峰信号或神经冲动，刺激小鼠的一个单独的神经元。

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

当系统微扰累积成宏观波动时，系统自组织宏观进化达到物流资金供需平衡。

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

另一类是一般的非自治奇异摄动分数阶微分方程的初值问题。

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

进步不是宣言，也不是空谈。进步不是乔装打扮，也不是玩弄偏见。进步不是扰乱一个感情激动的民族，也不是提出某种承诺。

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

因此，对于任意随机扰动，在已知其概率密度的情况下，使用这种方法可以分析它对相机成像质量的影响。

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

采用模态摄动法，得出求解预应力梁的动力特性的近似求解方法。

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

辐照解放被困分子，允许有针对性的摄动的生物进程。

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

供应系统上游端的压力扰动可导致相当的流量和室压振荡。

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

通过控制微扰动的周向位置可以获得期望的非对称多重涡流场。

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

这在小扰动波动理论的角度上说明了本文所得不同压力下剪切加载模拟结果的可靠性。

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

最后，用带有高频扰动的数值算例来验证提出的算法的有效性。

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

从含时微扰论的角度出发，重新求解了与玻色场相耦合的两态系统的动力学。