系统函数

Via the stochastic averaging method, the four-dimensional system is reduced to a two-dimensional one. Through the logarithmic polar transformation , and then Girsanov theorem and Feynmann-Kac formula, the backword differential operator is then obtained. By expanding the eigenfunctions as a Fourier cosine series, the approximate analytic expansion of the moment Lyapunov exponent is then obtained.

首先在经典二元机翼颤振方程加入随机激励，通过随机平均法，Girsanov定理和Feynmann-Kac公式得到关于矩Lyapunov指数的特征值问题，其次采用Fourier余弦级数对特征函数进行正交展开得到系统矩Lyapunov指数的近似解析式。

This method includes fixed cost in generation and transmission cost optimization function and a quadratic programming model is proposed.

该方法在目标函数中考虑了电网的固定成本，形成了以系统发、输电费用最小为优化条件的二次规划模型。

Using Hong(2001)'s method based on Cross Covariance Function and Error Correction Model,we study Granger causality and information spillover s among major global crude oil markets including London,New York,Dubai as well as Tapis and Minas in Southeast Asia.

采用基于协相关函数的Hong(2001)方法和基于协整理论的误差修正模型系统研究了全球原油市场的Granger因果关系与信息溢出。

Stationary process: spectral decomposition of covariance function, spectral decomposition of stationary process, linear time invariant system, ergodic theorem, sampling theorem.

平稳过程：协方差函数的谱分解，平稳过程的谱分解，线性时不变系统，遍历定理，采样定理。

In order to ensure that the ATTL can only be locked on the correct transit time, a coarse cross correlation function peak searching system and the measurement quality testing technique are both implemented in the ATTL.

通过把相关函数粗扫描与跟踪法相结合，并不断对测量质量进行自动检验和采取相应的处理措施，从而可以避免系统锁定跟踪错误的测量值。

Using Hong(2001)'s method based on Cross Covariance Function and Error Correction Model, we study Granger causality and information spillovers among major global crude oil markets including London, New York, Dubai as well as Tapis and Minas in Southeast Asia.

采用基于协相关函数的Hong(200l)方法和基于协整理论的误差修正模型系统研究了全球原油市场的Granger因果关系与信息溢出。

By means of the eigenvalue theory of partial differential equation, the crosswind and vertical sub-Green functions corresponding to different boundary types are derived in a systematic fashion.

利用偏微分方程的本征理论，系统地求得了各类边界条件下Green函数的横风向和垂直分量。

Lastly,the distortion's rules fitted by cubic spline function were used to restore the distortion image captured by the same visual system.

最后，用该样条函数拟合的桶形畸变规律对同一个视觉系统拍摄的变形图像进行恢复。

The logical function was expressed in terms of cubic notation andthe logical operation was carried out cubically through intersection,compatibility and sharp product.

采用立方符号表述逻辑函数，把逻辑运算表示为立方的相交、相容及锐积运算，提出用判断最小项来完成对给定程序的判断和校正，进而实现了计算机辅助逻辑综合，得到了最优的逻辑设计结果，并将此应用于计算机辅助气动系统设计中取得了良好的效果

Then, using the derivatives of the two dimensional normal cumulative distribution function with respect to its variables of parameters, the sensitivity measure of the failure probability of the parallel system or the unconditional up-crossing rate of the combined process can be determined.

最后利用经典的时不变可靠性分析方法确定并联系统的失效概率，并利用二维正态分布函数的导数特性确定失效概率的敏度。

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。