周期矩阵

In this paper, first, a method of fundamental frequency transformation for chaotic systems is proposed based on the concept of frequency domain analysis in the periodic orbit theory of chaotic attractors and on the matrix principle.

文中基于混沌吸引子周期轨道理论的频域分析概念和矩阵分析原理，提出了一种混沌系统基波频率变换方法。

Lastly,two sorts of splitting of definite positive matrix areformed,one of which is combined with U-transformation to put forward aniteration process for the sort of periodic structures.

构造了正定矩阵的两种分解格式，由此对于一类周期结构提出了一种酉变换迭代算法。

The mode field of photonic crystal fiber structured with hexagon symmetry hole cladding was analyzed by coupled-mode, and the effective indexes of base mode of different wave length were got. The characteristics of this photonic crystal fiber grating were computed and simulated by coupled-mode method and transmission matrix method. Moreover, the differences were compared between conventional fiber grating and photonic crystal fiber grating on their reflection spectrum and delay.

利用多极法对包层空气孔为正六边形对称结构光子晶体光纤的模式场进行了分析，计算出不同波长下基模的有效折射率，结合使用模式耦合理论和传输矩阵法对基于光子晶体光纤的布拉格光栅特性进行了计算和仿真，对比了常规单模光纤所成光栅与相同光栅周期的光子晶体光纤布拉格光栅反射谱及时延特性之间的差异。

According to the lateral deflection equation of the wall frame-structure ,an exact flexibility matrix is developed first and, then, the natural period and vibration mode of the wall-frame structure is defermined in this paper. According to actual earthquake action, the structural response is calculated with statical analysis.

本文在框架-剪力墙侧移公式的基础上建立结构的柔度矩阵，确定结构的自振周期和振型，采用静力方法按实际的地震作用分布计算结构的作用效应，然后采用振型分解反应谱法对结构进行抗震分析。

Because the governing equations have the relationship of translation symmetry, the displacement fields and the electrical potential fields can be represented by Bloch theorem to get the periodical structural governing equations.

将应力和电位移场以位移和电位场表示，即可利用层与层间的位移、应力、电位和电位移必须连续等条件求得转换矩阵，再满足上下表面的边界条件即能求得出压电周期叠层板波传频谱。

The system is uncoupled by using modal matrix approach.

应用模态矩阵方法将系统解耦，并根据碰撞条件和由碰撞规律所确定的衔接条件求得系统的周期运动及其稳定条件。

From her Pyramid she brings the matrix full circle, Creatrix and destroyer All in One.

从她金字塔里，她产生充满周期的矩阵，女性创造者和破坏者全部在一里。

From her Pyramid she brings the matrix fullcircle, Creatrix and destroyer All in One.

从她金字塔里，她产生充满周期的矩阵，女性创造者和破坏者全部在一里。

Circle, Creatrix and destroyer All in One.

从她金字塔里，她产生充满周期的矩阵，女性创造者和破坏者全部在一里。

For most matrix of A,the linear diffrentiable equations with quasi-periodic finitely differentiable coefficients are reducible.

证明了对大多数的矩阵A，一类系数为有限次可微的拟周期线性常微分方程组是可约的。

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。