算法化

The nonlinear hyperbolic conservation laws of the transient flow of the media in gas pipeline are hard to he solved, so, the control conservation laws are constituted of mass, momentum arid energy conservation laws, TVD/Godunov hydrid algorithm is used to simulate the transient flow in gas pipeline, and the traditional splitting approach processing nonlinear convection in momentum equation is dismissed ,the convection tern; is directly processed, in the way, the stablization of the algorithm and emulating accuracy of the transient flow are greatly improved.

针对管道中介质瞬变流动的非线性偏微分方程组难以解析求解的问题，由质量、动量、能量三个偏微分方程构成的控制方程组，应用TVD/Godunov混合算法数值模拟天然气管道中气体的瞬变流动，摒弃了传统的差分方法时动量方程非线性时流项的线性化处理，而直接处理非线性对流项，从而大大提高了算法的稳定性和管道瞬变流动的仿真精度。

This paper discusses how to get digital iatrical images; how to make the digital images' coordinates unitarily processing; how to compute the pathological eigenvalue of the blood cells and then signing the misshapen cells in detail. In this paper, improvement on the existing image edges detecting algorithm is put forward.

分析了如何获取医学图像，如何对数字图像进行坐标归一化等处理，如何计算红细胞的病理特征量从而实现对畸形细胞的标记等一系列算法，同时，提出了对现有的图像边缘检测算法的改进。

In chapter 2 and chapter 3,the nonoverlapping DDMand overlapping DDM based on natural boundary reduction for 2-D exteriorHelmholtz problem are studied respectively,the convergence and the conver-gence rate of these algorithm are discussed,some numerical results are given.

其次，分别研究二维Helmholtz方程外问题的基于自然边界归化的非重叠型和重叠型区域分解算法，分析了这些算法的收敛性和收敛速度，并给出了数值算例。

Under the background of the nonstructural data mining model,this paper proposed a text classification algorithm based on the discovery feature sub-space model, TCDFSSM algorithm.

在非结构化数据挖掘结构模型，即发现特征子空间模型的运行机制下，提出了一种新的文本分类算法——基于DFSSM 的文本分类算法。

Compared with methods appeared in literatures, our algorithm, with high accuracy, sensitivity and correctness, complete adaptively the correct distinction between interferential fringes and backgrounds. In chapter four, methods for the computer operatable description of line and region features are discussed, which contains: Computation curve's curvature in quantity, Fringes' separation distance , Contour's smoothness of region, Similarity of varied curves.

在第三章中，本文研究的是以线条为直接目标的图象分割方法——条纹抽取，在研究分析了许多条纹抽取方法以后，针对激光全息焊点缺陷检测这一课题中的复杂数字光学图象LHII条纹抽取进行了多方面的研究，主要有：分别从点对应、邻域特性对应推导并提出了几个信息分离算法；结合光学图象形成方面的知识，提出了变周期余弦分割二值化方法；结合当前条纹走向、毗邻条纹走向及可靠条纹点约束条纹跟踪，在许多方面，改进并发展了常规的条纹跟踪算法，实现了无人-机交互的全自动条纹跟踪抽取。

There are two well-known shortcomings within K-Means algorithm prevailingly used in data clustering and other center-based clustering algorithms-the number of clusters must be known beforehand and the dependence of the algorithm performance on the initialization of the initial centers.

在聚类中广泛应用的K-Means算法及其它基于中心的聚类算法有两个共同的缺陷－需要预先确定类数目且随机初始化中心引起性能不稳定。

The work of this present paper mainly includes the investigation of the structure of KDD system, the study of the basic concepts of rough set theory, the research of the questions in the heuristic reduct finding algorithms based the rough set theory used in the data reduction and the discretization in the field of KDD, and the development of the system which is used to study the algorithms of the rough set.

论文的主要工作是了解知识发现的体系结构，学习粗糙集理论的基本概念，研究基于粗糙集理论的约简算法在知识发现领域中进行数据约简和离散化两个方面存在的问题，开发用于粗糙集理论算法研究的实验平台。

During the design procedure of the algorithms, a LabVIEW tool-kit for radar signal processing is worked out, which can greatly improve the design efficiency of subsequential algorithms and facilitate the performance analysis of new algorithms.

在雷达信号处理算法设计过程中，作者利用LabVIEW编写了雷达信号处理的相关工具包。LabVIEW图形化层次化的编程，基于数据流驱动的设计，极大的方便了后继改进算法的设计和性能指标分析。

The key techniques involve linearly composing atomic synopses, recursively embedding atomic synopses, reduction between algorithms and localizing algorithms and etc.

采用的关键技术有线性组合、递归嵌套、算法简化和算法局部化。

The experimental results are in good agreement with the theory. Compared to Grover's unsorted search algorithm, Hogg's algorithm has its unique advantage.

与Grover未分类数据库搜索的量子算法比较，Hogg量子高结构化搜索算法具有它独特的优势。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新