查询词典 asymptotic convergence

It shows that the typhoon depression lasted for five days on land was because of a strong and wide convergence zone between two high pressures,together with the strengthening of southwesterly jet and its movement direction determined by the maximum wind speed by the subtropical high and the southwesterly.

其结果表明：两高间强而宽广的辐合带和西南急流增强使台风低压在陆上连续5d不消，副高、西南急流在低压区形成的最大风速中心位置决定台风低压移动方向。

For example,,,where .2.Convergence of the iterative method: firstly I give a new upper bound for the spectral radius of iterative matrix , where is a double strictly diagonal dominant matrix.

迭代法的收敛性分析：首先给出了一般迭代阵谱半径新的上界估计，其中矩阵为双严格对角占优矩阵，是一种比严格对角占优更广泛的矩阵类。

The stabilityand convergence of the proposed scheme are proved. Numerical results demonstrateits spectral accuracy in space, and coincide with the theoretical analysis well.

我们还给出一些数值结果，它们显示了该方法在空间方向的谱精度，并与理论分析相吻合。

The simulation results show that GA can improve the convergence speed effectively and avoid the trap of local optimums.

仿真结果表明，用遗传算法优化BP神经网络的权值收敛速度快，并有效解决了BP算法易陷入局部最优的问题。

This structure can decrease spherical aberration coefficients, and improve the convergence of three beams without deteriorating of the focusing performance.

分析表明这种结构减小了透镜像差，并且解决了缩小束间距引起的球差系数和放大率上升的问题。

The convergence by use of ellipsoid function is more quickly than that by use of spherical functions as basic function.

提出了基于椭球函数适配的最小能量误差近似的声全息变换方法，解决了拉长体声源声场重建时，采用球函数适配近似收敛性差的问题。

Results CT scan directly showed that the main signs of peripheral pulmonary adenocarcinoma were deep lobulation sign,spiculation sign,spiculate protu-berance sign,vacuole sign or air bronchogram,pleural identation sign,vessel convergence sign,mediastinal lymph node enlargement and metastasis into distant organs.

结果 CT扫描直接显示，51例周围型肺腺癌主要CT征象是分叶征，毛刺征，棘突征，空泡征或空气支气管征，胸膜凹陷征，血管集束征等。

Aimed at the typical defects of sample resource lacking and easy local optimal convergence, in this paper, a new way of inserting ANN into genetic algorithm is implemented, which make full use of the nonlinear solution calculation ability of ANN and the full field optimal solution seeking ability of GA. The method optimized the tube stagger spinning parameters.

针对神经网络中样本资源紧张，易于收敛于局部优解的问题，本文将神经网络模型嵌入遗传算法中，充分利用了神经网络的非线性求解能力和遗传算法的全局寻优能力，实现了对错距旋压工艺参数的智能优化。

As the trough of D, E and the slot F (it belongs to the other end of spiral) of the sealing surface of convergence, there is a triangle similar to a positive gap a'b'c ', so D, F, E will also be connected.

由于在槽D、E与槽F相衔接的密封面上，也存在着类似于正面的三角形缺口a'b'c'，所以D、F、E也将相通。

Further, the convergence analysis and stability criterion will be derived and the computer simulation will justify our analysis.

更进一步，推导出它的收敛分析及稳定条件，并在电脑模拟得到验证。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。