配置法

The static performance, steady gain and frequency responses of the control system are very similar to those of 4WS The direct yaw moment control is integrated with the front steering angle control using pole assignment Simulation results show that the integrated system can present an ideal yaw rate response with a small side slip angle at the center of gravity.

通过静态特性、输入前馈稳态增益、频率特性和时域响应仿真比较，显示该控制与四轮转向控制的特性十分相似。从理论上而言，横摆力矩控制可以取代四轮转向系统。提出并建立了极点配置法设计的前轮转角控制和横摆力矩控制的集成模型。

At last,the boundary collocation method is used to calculate the energy release rate.

最后，用边界配置法计算了能量释放率。

The new method is valid and high precision through the comparison with the boundary collocation method and the traditional method.

通过实例计算，将其结果与边界元配置法及工程简化方法相比较，证明了该方法是实用的，并能保证计算结果的精度。

New Prgress of Collocation Method,Boundary Element Method,and Moving Finite Element Method Forthe Evolution Model of a Basin

中文题名发展方程初边值问题的配置法，边界元法新进展及油气盆地发育史的数值模拟新方法

Many typical problems are studied and compared with boundary collocation method, traditional finite element method and analytical methods. The results indicate that the method is accurate and simple for stress intensity factor computation and is easy to be used in practical engineering.

文中作了大量的裂纹应力强度因子计算，与边界配置法、传统有限元法以及解析法进行了系统的比较，结果表明该方法用于应力强度因子计算不但精度较高，而且简便易行，便于工程实际应用。

On the basis of the theory of least-squares collocation, the approach used to define a local covariance function is described.

从最小二乘配置方法的原理出发，描述了最小二乘配置法中经验协方差函数的确定方法。

This paper overviews the various algorithms for least square collocation, discusses the matrix QR decomposition, derives the relationship between QR decomposition and generalized inverse matrix, and obtains least square inverse used for calculating matrix. In addition, the estimation formula for least square collocation by QR decomposition and its accuracy formula are derived. A case study is conducted using gravity anomaly test and calculation to demonstrate that the QR method is correct and valid in least-square collocation calculation.

分析了目前采用的最小二乘配置法解算方法，在讨论了矩阵的QR分解方法的基础上，推导得出了矩阵QR分解与广义逆矩阵的关系，得出了可以直接利用QR分解求解矩阵的最小二乘逆，并推导了应用QR分解求解最小二乘配置的估值计算公式和精度估算公式，最后通过重力异常实例进行了计算，得出矩阵的QR分解用于最小二乘配置解算的正确性和可行性。

On the problem of model parameter determination, the singularity distribution method is used to derive the expressions for numerically calculating the added mass arised from vibration of the structure under three-dimensional case; The aero-dynamic damping ratio is identified from the testing data based on the methods of empirical mode decomposition, improved random decrement and Hilbert transformation; The reduced-order spectral representation method is also deduced in this chapter based on the technique of proper orthogonal decomposition.

在模型的参数计算上，采用奇点配置法推导了三维情形下结构振动诱导流场附加质量的数值计算方法；联合采用经验模态分解、改进的随机减量法及Hilbert变换对索穹顶结构的气动阻尼进行了识别分析；推导了基于本征正交分解的降阶谱解法。

Second, compared with direct tensor product in multi-dimensional space, which suffers from the exponential increase of the number of sampling points with the number of variables, the Sparse Grid technique decreases the number of collocation points dramatically while the accuracy is guaranteed, and further reduces the computational complexity.

其次，为了避免通常用于多维空间的直接张量积随机配置法所带来的采点数随空间维度指数增长的缺点，采用稀疏网格采点技术，在保证建模精度的同时大幅度减少了配置点数目，从而进一步降低了随机配置法的计算复杂度。

The methods for the recovery of gravity filed from satellite altimetry are summarized and studied and the geoid and gravity anomaly grided in 2.5′×2.5′ size over china are recovered from multi-satellite altimetry data. Two methods are used to recover gravity.

6总结并研究了由测高数据恢复海洋重力场以及分离海面地形的方法；利用多代卫星测高资料，以测高轨迹海面高剖面梯度采样为基础数据，分别由垂线偏差法和最小二乘配置法反演了2.5′×2.5′中国海域的重力异常和大地水准面差距；然后采用移去-恢复由高斯滤波方法从平均海面高中分离出15′×15′中国海域的动力海面地形。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了