查询词典 algorithms

This paper proposes two different interpolation algorithms for parametric curve. These algorithms are of great value to improve the accuracy and machining speed of numerical control system.

本文介绍了参数曲线的两种不同的实时插补算法，它们在提高数控系统的速度和精度方面具有很好的效果。

In Chapter 4,The convergence of two forms of genetic algorithms base donthe feature of the non-formal selection strategies is proved including themodel of genetic algorithms under the population fitness constraints and somehigher fitness individuals in parent population participating in the comp-etition.

第四章以非形式化选择为特点，给出遗传算法的种群适应值约束下算法模型与父代种群前若干适应值高的个体参与竞争下遗传算法的收敛性。

We will show our algorithms could obtain better performance and more efficient than pervious algorithms.

最后，我们所提出的两个方法，与过去所提出的演算法相比，能够得到更好的效能，且所需要的运算时间大幅减少。

This paper gives a detailed presentation of all the current algorithms for the problems of the five classes,and puts em- phasis on the analysis and comparison of the technique used in those parameterized algorithms.

引言Set Packing问题是在理论和实践中基本的组合问题，是一类重要的NP难问题lj，被广泛应用于调度、代码优化和生物信息学等领域。如在线性调度领域中，算法必须在不知道每个工作要多少时间完成的情况下调度许多的作业。

This paper gives a detailed introduction of principle for three main estimation algorithms for point spread function, and also gives a comparison of the advantage and deficiency among these algorithms.

文中详细论述了三种主要的高斯型点扩展函数参数的估计算法的原理和实现，比较了各种算法的优点和不足之处。

Basing on the concepts and algorithms, some traditional algorithms, e.g. Delaunay triangulation for planar polygonal domain, constrained Delaunay triangulation for planar points and Delaunay tetrahedralization for spatial points, are improved.

通过上述概念和算法，改进了多边形Delaunay三角剖分、平面散乱点集约束Delaunay三角剖分和空间散乱点集Delaunay四面体剖分等基于生长算法的传统数据生成方法。

The study establishes the compression of models and algorithms for vector graphics data on different basis, including on the basis of vector graphic factors of B spline curves in predecessors research; on the basis of rectangle graphic factors in main axis mode; on the basis of the application of Hough transform to polygonal line, ellipse and circle, so the study improves the models and algorithms of compression for vector graphic data.The compression for vector graphic data mainly studies the data of storing graphic factors.

本文研究的内容是：根据对以往各种曲线矢量数据压缩模型与算法的研究，建立了基于B样条的曲线矢量图形要素的数据压缩模型和算法；在前人研究的基础上，建立基于主轴模式的矩形图形要素的数据压缩模型和算法；本文作者将Hough变换应用到折线、圆及椭圆图形要素的矢量数据压缩上，在此基础上改进了基于Hough变换的折线、圆及椭圆图形要素的数据压缩模型和算法。

It gives performance comparison of instantaneous frequency estimation algorithms based on the peak of Wigner-Ville distribution and fourth-order polynomial Wiger-Ville distribution, analyzes the influence of window width to the estimation performance of instantaneous frequency estimation algorithms based on time-frequency distribution.

在不同飞行状态下，给出了基于Wigner-Ville分布、四阶多项式Wigner-Ville分布峰值的瞬时频率估计算法的性能对比，并分析了窗长对瞬时频率估计性能的影响。

On the analysis and contrast based on existing typical algorithms on multiuser detection, two new MUD algorithms are presented for improving computing complexity:"Low complexity polynomial expansion closed" and "Fast equalization by using frequency domain block constant modulus". The performance of the new detectors is analyzed and researched in detail in this paper.

并且在对现有典型多用户检测算法进行分析和对比的基础上，提出了两种新的降低算法复杂度的多用户检测算法："低复杂度多项式逼近算法"和"频域DFT快速分组检测算法"，并对它们的性能进行了详细分析和研究。

The combination of traditional algorithms and morphological algorithms are used to preprocess the target image.

研究了多种目标提取的数学形态学算法，包括击中与击不中变换、边缘检测与形态学梯度等。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。