查询词典 nonlinearity

The transformed systems need not to have special forms and there are no restrictions on the types of nonlinearity contained in systems. The only requirement is that the two matrice defined in the paper should be a controllable pair at every point.

它不要求线性化微分同胚变换后系统具有特定形式，对系统所含非线性也不作限制，它只要求变换后系统的两个特定函数矩阵在点点均为能控对。

In anomalous dispersion of monomode optical fiber, an optical soliton is evolved from an optical pulse in the fiber when the nonlinearity is balanced by dispersion.

摘要在单模光纤异常色散区，当非线性与色散平衡时，初始注入的光脉冲演化形成光孤立子。

Tuning nonlinearity is decreased by a factor of 2 and hence the variation of phase noise is significantly decreased compared with the VCO that uses a single pair of varactors.

在VCO的谐振腔中使用两对变容管，以牺牲适当的调节范围来换取调节线性度的提高，同时使VCO输出两个波段。

The results show that when gravity wave's propagating in the homogenous winds, the nonlinearity is stronger in the fair wind than in the contrary wind, the background winds change the propagation velocity and path, and when gravity wave's propagating in the homogenous winds, the vertical wavelength decreases, the average upgoing energy flux reduces which implies the ambient winds absorb the energy of the wave, realizes coupling of the different atmosphere layers.

结果表明，当重力波在均匀风场中传播时，非线性效应在顺风场中比在逆风场中更显著，背景风会改变重力波在水平方向的传播速度和传播路径；当重力波在剪切风场中传播时，重力波在垂直方向上平均能流随高度的增高而减少，表明背景吸收了重力波的能量，在重力波向上传播的过程中，实现了大气各层之间的耦合。

The introduction of quark delocalization can be viewed as taking into account either the contribution of excited configurations or the distortion of individual baryon due to mutual interaction, its characteristic is to allow the six-quark system to choose the favorable configuration by its own dynamics automatically; Various quark models extended linear or quadratic confinement potential for 3q system to 6q system directly. Due to the nonlinearity of QCD, quark-quark interaction in color singlet may be different from that in non-color singlet. For example, the contribution of three-gluon exchange to one baryon is different from that to two baryon singlets, and so on.

引入夸克蜕定域效应，既可以看作是考虑了具有较高能量的激发组态的贡献，也可以看作是考虑了重子不碰撞过程中发生了畸变，其特点是让夸克体系自动选取最有利的组态；以往的QCD模型总是将哈密顿量直接从单重子系统推广到双重子系统，但QCD理论是一个非线性理论，处于色单态的两个夸克间的相互作用可能不同于处于非色单态的两夸克间的相互作用。

In the meantime, the difference between a direct integration method and a modality superposition method in the nonlinear solution of large sized shaftings was also investigated. It can be shown that the use of a nonlinear method for solving the kinetics response of a higher dimensional rotor bearing system is both essential and feasible. With regard to the nonlinear kinetics problems of a rotor system the direct integration method is more effective than the modality superposition method. steam turbine, rotor, dynamics, nonlinearity

国内外先后采用非线性油膜力的数值积分方法对转子轴承系统的非线性动力学行为进行了一定研究，但主要集中在简单转子—轴承系统的研究上，在分析上主要采用的是简单离散方法，转子多被简化为刚性转子和Jeffcott转子模型，只能对简单转子—轴承系统的非线性动力学行为进行定性的分析，而对于象汽轮机组轴系这样的高

The nonlinearity due to these resonances plays an important role in the dynamics of highly excited molecular vibrational states.

研究表明，由体系的共振作用引起的非线性效应在分子高激发振动态的动力学中起关键作用。

According to the asymmetry and nonlinearity of the symmetrical valve controlled asymmetrical piston system, in order to improve control precision of the system, the work characteristic of the system is analyzed, then a new control method based on the cerebellar model articulation controller is advanced, and the CMAC compound controller is designed.

针对对称阀控非对称缸系统的不对称性和非线性，为了提高系统控制精度，分析了该系统的工作特性，提出了基于小脑模型神经网络的控制策略，设计了CMAC复合控制器；为验证CMAC复合控制器的有效性，进行了实验研究，并与普通的PID控制器进行比较。

Also, the nonlinearity affects the machine current distortions, torque pulsations, and degradation of control performance.

非线性电压畸变还将引起电机电流畸变，进而导致转矩脉动，影响了整个电机伺服系统性能的提高。

The distortion of electronic cloud of Sb~(3+) under large electric field has dominant effect on the third-order nonlinearity.

提高玻璃的网络连接程度，减少结构缺陷，或向玻璃网络中引入极化率大的离子可有效提高X~(3)。

Researches reveal that students who suffer from corporal punishment tend to resort to violence in their future life.

研究表明遭受过肉体惩罚的孩子倾向于在他们今后的人生中使用暴力。

Total sugar of sarcocarp and chlorophyll of pericarp increased firstly, and then decreased afterward along with altitude; Titratable acidity, ascorbicacid and anthocyanin of pericarp were increased along with altitude; The content of protein increased firstly and decreased afterward along with altitude; Carotenoid of pericarp were decreased along with altitude.

果肉总糖和果皮叶绿素含量随海拔高度升高先升高后降低；可滴定酸、维生素C和果皮花青苷含量均随海拔升高而升高；蛋白质在1720m处最大，1420m处最小；果皮类胡萝卜素随海拔升高而降低。