邻域

We use a size changeable adjacent field to describe the topological structure of 3D unorganized points in our algorithm. It can offer essential dynamic information for tessellation and points normal.

算法采用可以控制大小的邻域作为空间散乱数据点的拓扑关系的几何描述，为网格划分和点的法向量的几何描述提供了必要的动态几何信息。

The optimization of total cost and the satisfaction degree of customers are the target of the bonsai distribution model.

在分析对比了当前求解车辆路径问题的主要算法后，选择用模拟退火算法结合邻域搜索法对所构建的模型进行求解。

The feature points from two images were extracted by Harris corner detector, then the corresponding feature point pairs were got by the cross-correlation of the gray scale around the feature points, and the mismatched pairs were eliminated based on the Eulerian distance of the transformation parameter vector.

提出了一种基于特征点的图像拼接算法，首先利用Harris角点检测提取两幅图像中的特征点，用特征点邻域灰度相关性将特征点进行匹配，并在此基础上根据变换参数向量的欧式距离对误匹配进行剔除，进而实现图像拼接。

Third, the median of minimum uncorrupted pixel set is used to restore noise pixel, in order to eliminate its neighborhood noise impact.

采用最小无污染点集合的中值恢复噪声点，消除了其邻域噪声点的影响。

By theoretical analysis, the closed-loop control system is proved to be semi-global uniformly ultimately bounded, and the output tracking error converges to a neighborhood of zero.

通过理论分析，证明了闭环控制系统半全局一致终结有界，跟踪误差收敛到零的一个邻域内。

It is also proved that the proposed algorithm could guarantee the closed-loop system to be uniformly ultimately bounded and the output converges to a small neighborhood of zero, so that ship linear path-keeping control can be implemented.

该算法保证了闭环系统的信号是一致最终有界的，使得系统输出收敛到零的一个较小邻域，从而能够实现船舶的直线航迹控制；而且，该算法不需要高频增益符号的任何信息，还解决了可能存在的控制器奇异值问题。

Owing to Wei-Norman decomposition＇s application being confined in a little time area, in order to obtain the Unitary evolution matrix at any time, a small division of time is proposed in this paper, and Wei-Norman decomposition is used in every small division to obtain the unitary evolution.

由于Wei-Norman分解适用的范围是小时间变化的邻域，为了求出量子系统在任意时刻的幺正演化矩阵，根据量子系统的特性，提出了对量子系统的控制时间进行分段，利用Wei—Norman分解来获得每段小时间的幺正演化矩阵。

In the fifth chapter of this paper,by using convolution techniques,we investigate theδ-neighborhoods of a subclass R~b and R~ of univalent functions.

在第五章中，我们通过卷积来研究了单叶函数一类子族R~b和R~的δ-邻域。

In Chapter 2, we first introduce the related content of vector field, degenerate equilibrium and its bifurcations.

在第二章，我们首先一般地介绍了向量场、退化奇点及其邻域内发生的分岔等相关内容。

This paper firstly proposed some clarity-evaluation-functions of out-of-focus blurred image,they are the sum of square of gray-level gradient vector module,the sum of Roberts-gradients,and the sum of Laplacian operator.

本文首次提出了用图像灰度梯度向量模方和、Roberts梯度和与拉普拉斯(8邻域微分)算子和作为由于离焦产生的模糊图像的评价函数。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。