分算法

N体问题周期解的变分算法

Calculous of Variations Algorithm for Periodic Solutions of N-Body Problems

求解非线性悬梁方程行波解的变分算法&MountainPass算法

A variational numerical method for finding the traveling waves of nonlinear suspension beam equations - the mountain pass algorithm

浅谈AutoCAD的用户定制固定p-剖分算法

On Users Setting of AutoCAD Stationary p-Subdivision Algorithm

Delaunay三角剖分算法是构建数字高程模型（DEM）的主要算法。

The algorithms of Delaunay triangulation are the main algorithms when establishing DEM .

本文提出了一种新的带特征的约束条件的散乱数据Delaunay三角剖分算法。

A new algorithm for Conforming Delaunay triangulation in 2-D is presented .

根据互相关因子算法和绝对差分算法的基本原理，利用Matlab实现了倾斜信息提取。

According to the basic principle of cross-correlation algorithm and the sum of absolute difference algorithm , the tilt information is extracted by Matlab .

带约束的动态Delaunay三角剖分算法研究

Research on Dynamic Delaunay Triangulation Algorithm with Constrained Edge

这一算法依赖于Hilbert第17问题的一系列经典研究结果以及实闭域上量词消去的柱形代数剖分算法。

The algorithm is based on a series of research results of Hilbert 17th problem and Cylindrical Algebraic Decomposition .

内腔双纵模He-Ne激光器相邻模偏振的反常非正交现象计算二维静电场的非正交有限差分算法

Working frequency of laser in SAR non orthogonal finite difference method for computation of the two dimensional electrostatic field

一种改进的快速Delaunay三角剖分算法

Fast Improved Delaunay Triangulation Algorithm

以MPI为编程环境，讨论了时域有限差分算法（FDTD）的子区域划分方法和虚拟拓扑的建立；

In the program basis of MPI , the modeling of sub-regions for FDTD and virtual topology are developed .

改进的统一于NIP的多边形三角剖分算法

Improved nip triangulation algorithm of arbitrary polygons

基于图的任意域内点集的Delaunay三角剖分算法

A graph based algorithm for generating the Delaunay triangulation of a point set within an arbitrary 2D domain

隐式TVD有限差分算法区域分裂并行实现

A parallel implementation of an implicit TVD finite difference algorithm using the domain decomposition method

本文通过采用时域有限差分算法（FDTD），利用周期电磁结构中场所满足的周期性，引入周期边界条件，将计算空间限制在一个周期内。

In this paper , a method based on finite-difference time-domain ( FDTD ) arithmetic is used to analyze the dispersive characteristic of PS.

经典Delaunay四面体化方法是对给定节点集凸包的四面体网格剖分算法，当待剖分域为非凸时不能保证其边界一致性（亦即某些边界丢失）。

Classical Delaunay Tetrahedralization method usually produces a triangulation mesh that forms the convex hull of the point on the boundary .

结果表明，Kalman滤波算法和二阶差分算法均能较好地实现对日观测卫星三轴姿态角和姿态角速度的估计。

The results indicate that both Kalman filtering algorithm and second difference algorithm can be used to well estimate the attitude angle and attitude angular velocity of the satellite .

给出了一种新的基于Delaunay三角形化的任意多边形边界内散列数据的优化三角剖分算法。

This paper presents an algorithm based on the Delaunay strategy for optimal triangulation of data points scattered in 2D region with polygonal boundary .

在充分挖掘AutoCAD图形中简单多边形自身隐含的垂直与共线关系的基础上，提出一种新的基于直角顶点判定和凹凸顶点判定的简单多边形剖分算法。

A new decomposition algorithm of simple polygon based on determination of right-angled vertices and convex-concave vertices is presented by fully mining vertical and lined relationship of polygon itself in AutoCAD .

将有源器件Gunn管的非线性集中模型直接编入时域有限差分算法，分析了有源天线的时域瞬态响应。

Transient responses of an active integrated antenna are analyzed by the FDTD algorithm incorporating the nonlinear lumped model of the Gunn diode .

在Delaunay三角剖分算法的基础上，通过引入黎曼度量矩阵完成了曲面非结构网格生成，并给出了黎曼空间下的近似外接圆准则。

Based on the algorithm of Delaunay triangulation , introduce a metric tensor to complete the surface triangulation . And the definition of the cavity in a Riemannian space is given .

对CRM应用分析系统中采用的几种聚类分算法进行结果比较，提出了整合遗传算法与改进近邻函数准则的新算法，并加以应用。

Further analysis of the CRM applications used in the system sub-algorithms of several clustering results are compared with the proposed integration of genetic algorithm to improve nearest neighbor function criterion , the new algorithm , and applied .

根据冲压模具形状特点，对由CADCAM系统建立的冲压模具的多裁剪参数曲面数学模型，提出了一种符合冲压成形有限元分析需要的三角形和四边形混合网格剖分算法。

According to the character of die shape , based on the mathematical model of multiple trimmed parametric surfaces , which is created by CAD / CAM system , an algorithm for generate mixed mesh of triangles and quadrilaterals for finite element analysis is presented .

基于相位差分算法估计脉冲群频率时，对LFM信号，首先需要解线调处理，文中给出了基于分数阶Fourier变换的LFM信号调频斜率的估计算法。

When using the frequency measure method based on phase difference , we need demodulate LFM signal , and the parameter estimate arithmetic of LFM Signal based on Fractional Fourier Transform ( FRPT ) is brought forward .

针对制件规模受快速成形设备工作空间限制及后处理时粘接精度难以保证的实际问题，系统地提出了基于STL文件的任意形状阶梯剖分算法。

To solve the problem of limitation caused by large size of product in rapid-prototyping field and the difficulty of combining , a method for ladderlike division for model based on STL file format was given .

在分析自然光下CCD相机获取图像中噪声的特点的基础上，发现被测目标经测量场中特定纹理背景调制后，可以采用差分算法提取图像中的目标及其位置。

In order to extract the object , a background with stripes texture has been set up in the measure field . Differential algorithm to find the object and its position in the image can be used according to analyze he characteristic of the noise image .

本文提出一种用于计算多柱体散射问题的区域分解时域有限差分算法（DD-FDTD）。

A novel domain decomposition FDTD method ( DD-FDTD ) is presented for solving multi-cylinder scattering problem .

对以往传统的Delaunay三角剖分算法做些改进，编写了该网格划分实现源程序，并对网格形状作优化和光滑化处理，实现对网格密度的自动控制；

Then , some improvements are made to the traditional delaunay triangulation arithmetic , and a routine has been compiled , some optimization and smooth are made to the grid shape , the automatic control to the grid density is also realized .

由于ROF算法既能有效抑制斑点噪声又能较好的保持图像细节信息，因而，本文采用ROF全变分算法做去噪处理，并添加了局部保真项，得到了较好的去噪结果。

ROF algorithm can effectively suppress speckle noise while preserving image detail , and thus , we use ROF full variation algorithm to remove the noise and add a local fidelity term , to get a better denoising result .

将描述船体粘性绕流的完整的Navier－Stokes方程简化为部分抛物线模式，辅以Coles速度剖面和Head渗入方程，应用流线坐标系中的积分－差分算法，求解绕船体三维边界层的流动参数。

A numerical approach of determining flow parameters of thick three dimensional boundary layer on ship hulls is presented by using the partly-parabolic mode of simplified Navier-Stokes equations with Coles velocity profiles and Head entrainment equation and with orthogonal curvelinear coordinates and the integral-differential computation .