查询词典 soliton

By using the pseudo 3-D fKdV equation and division of four regions, theoretical mean wave resistance s and time change rates of the regional mean energy of the precursor soliton generation in a straight channel with arbitrary section are given theoretically.

利用准三维的fKdV方程和四区间划分法，理论给出了任意截面的直渠道中先锋孤立子生成的理论平均波阻和区间平均能量的时间变化率。

Various static and dynamic effects such as soliton excitations, polaron excitations, exciton self-trapped and nonlinear breathers are observed in the simulation.

许多不同的效应如孤子、激子、极化子与非线性的呼吸震动可在模拟中见到。

The soliton hierarchies associated with the modified second order polynomialeigenvalue problems can be factorized into the commuting x- and 〓-constrainedflows, the r-matrices and classical Poisson structures for the x- and 〓-constrained flows are constructed.

与修正的二阶多项式特征值问题相联系的孤立子方程族可以被分解为相互交换的x-和〓-约束系统，本文求出了约束系统的r-矩阵和经典Poisson结构。

Chapter one involves a survey of the fundamental knowledge and achievement obtained by foregoers on the subjects for the purpose of the later parts in this dissertation, including the introduction of the history and development of mathematics mechanization, brief review of the history and status in quo of the fractional calculus and soliton theory.

第一章介绍了论文的基础知识以及前人工作的成果：包括介绍数学机械化的思想与应用的情况；回顾分数微积分的历史和所应用的领域；简单介绍孤立子研究的历史、发展与成果。

These conclusion are of important significance in selecting fiber parameters and initial lanched power reasonably to use MI to realize the production of the high speed soliton with narrower width.

研究发现，五阶非线性下的调制不稳定性不仅可在异常色散区产生，而且也可在正常色散区产生，据此提出了利用正常色散区的调制不稳定性产生暗孤子的方法。

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。

Soliton interaction with chirp from optical source in nonlinear monomode optical fibers is studied numerically by using slit-step Fourier transform method in detail.

本文采用分步傅氏变换法对非线性单模光纤中源啁啾孤子相互作用进行了详细的数值研究。

The objects of study in this paper are some dissipativeSchrodinger equations,including a third order nonlinear Schrodinger equation with fiberloss term which derives from the propagation of optical soliton in a monomode fiber,theweakly damped Schrodinger equation in dimension three,the nonautonomous Ginzburg-Laudau equation and so on.

本学位论文的研究对象是一些耗散型的非线性〓方程，包括描述单模光纤中光孤立子传播的三阶〓方程，三维弱阻尼〓方程和非自治Ginzburg-Landau方程等，研究内容涉及这些方程的整体解的存在唯一性，整体吸引子的存在性，吸引子的正则性，吸引子的维数估计，吸引子的流形逼近，周期解和全局周期吸引子的存在等等。

While the transmission of laserpulse in plasma forms pulse compression, soliton and paired solions, and densitycavitation of electron and ion and so on.

而激光脉冲在等离子体中的传播过程中同样出现了脉冲压缩、产生孤子以及孤子对、形成电子和离子的密度空泡等现象。

This is a new kind of photoinduced phenomenon and it is a one-photon process.(2)A bipolaron is split into two polarons by photoexcitation.This photoinduced splitting converts a charge carrier into two spin carriers.(3)When the hopping effect is included, the energy of a soliton-antisoliton pair can be lower than that of single polaron in conducting polymers with degenerate ground state.

这是一种新的单光子过程光致现象；（2）通过光激发，一个双极化子可以分裂成两个极化子，这种光致分裂效应将一个荷电载流子转换为两个自旋载流子；（3）对具有简并基态的导电聚合物，如果计及跃变常数的变化这一效应，孤子-反孤子对的能量可以低于单个极化子的能量。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。