查询词典 algorithms
- 与 algorithms 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Then as to the disadvantage of the TSS native algorithms we bring for word a new algorithms which is bit vector algorithms base on rule length and the result of program show the performance of new algorithms is better than the native one.
在对加标记的改进方法的详细论述的基础上,本文介绍了一种二维分类算法——矩形算法,该算法是目前一种查找性能和空间需求经过优化的二维算法。
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Then as to the disadvantage of the TSS native algorithms we bring forword a new algorithms which is bit vector algorithms base on rule length and the result of program show the performance of new algorithms is better than the native one.
在对加标记的改进方法的详细论述的基础上,本文介绍了一种二维分类算法——矩形算法,该算法是目前一种查找性能和空间需求经过优化的二维算法。
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The topics are divided into three parts: the first part introduced the basic concepts of algorithms, mathematical algorithms and algorithms based on complexity analysis scheduling problem for the second part of the problem and plans to discuss a variety of existing algorithms, and describes the design of commonly used algorithms including sub-rule law, greedy method, dynamic programming, backtracking and branch and bound method, and describes the complexity of the calculation, as well as NP-complete problem the third part of the model on parallel computing and parallel algorithm design techniques.
全书分为3个部分:第一部分介绍算法的基本概念、算法的数学基础以及算法复杂度分析;第二部分针对排序问题和图的问题,讨论各种已有的算法,并介绍常用的算法设计方法包括分治法、贪心法、动态规划法、回溯法和分支限界法,并介绍了计算的复杂性以及NP完全问题;第三部分讲述并行计算模型和并行算法设计技术。
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In the early stage of the genetic algorithms, the three genetic mechanisms are used both in integer part and decimal part, so that the genetic algorithms have stronger global search ability, keep the population diversity efficiently and avoid falling into local extremum. In the later stage of the genetic algorithms, the three genetic operators are used in decimal part, so the genetic algorithms have stronger local search ability and fast convergence ability.
在遗传算法开始阶段,该编码算子进行整数部分和小数部分的遗传操作,使得遗传算法在早期具有很强的全局搜索能力,避免陷人局部极值;在后期进行小数部分的遗传操作,使得遗传在后期具有很强的局部搜索能力,能够很快地搜索到全局极值。
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It is a valuable resource for anyone wanting to understand the mathematical foundations of geometry, rasterization and lighting techniques. The FAQ for the comp.graphics.algorithms Usenet group also contains useful material.
对于希望理解图形学几何,光栅化和光照技术的数学基础的人来说,这是本有价值的书。comp.graphics.algorithms Usenet组的FAQ也有很多有用的信息。
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Research on basic algorithms of Computer Graphics has deep significance, because each application generally need numerous call of the basic algorithms. The speed and quality of generating a picture are tremendously affected by that of generating each line or curve. This paper researches the basic algorithms of Computer Graphics including the algorithms of drawing and clipping of lines and curves both on the square grid and the hexagonal grid.
对计算机图形学基础算法的研究具有重要意义,因为在具体应用中,每一幅图形都由成百上千条直线和曲线构成,这样对于每一条直线或曲线的处理速度和质量就极大地影响着整幅图形的处理速度和质量,本文的工作是对计算机图形学中的基础算法进行研究。
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This article in by has in the foundation which the method studies, is easy in view of the standard genetic algorithms in the solution Vehicle Routing Problems to appear precociously, is easy to fall into the partial optimal solution shortcoming, makes the improvement to the traditional genetic algorithms, proposed the multi- populations genetic algorithms.
本文在已有方法研究的基础上,针对标准遗传算法在解决车辆路径问题上容易出现早熟,容易陷入局部最优解的缺点,对传统的遗传算法进行改进,提出了多种群遗传算法(Multiple_population Genetic Algorithms)。
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The constructing process of the algorithms itself indicate that they are brevity and have definite geometric meaning, scientific iterative terminal criterions and no strict requirement to function. Finally, some digital experimentation is presented to indicate the algorithms application in solving the problem of maximum of function, transcendental equation,integer programming and so on. The results indicate that the algorithms have more global and more adaptability compared to traditional algorithms and have more calculating efficiency and more scientific iterative terminal criterions compared to some present popular artificial intelligence algorithms.
算法的构造过程本身表明了该算法简单明了、几何意义明确、迭代终止准则科学、对函数的要求较低;最后举了几个数值试验的例子以说明该类算法在求函数的最值,解超越方程以及整数规划等问题中的应用;数值试验的结果标明该算法比单纯由"微分"思想演化而来的传统算法有更好的全局性和对问题的更广泛的适应性,比现在流行的一些人工智能方法有更高的运算效率和更适当的迭代中止准则。
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2Based on the nonlinear theory, we found the reservoir seismic nonlinearprediction and evaluation method technology, it is constituted by three nonlinearmethods and the technologys of the fracture prediction, the seismic inversion and thereservoir synthesis prediction evaluation: The seismic nonlinear prediction ofreservoir fracture is one new method which is composed with the phase spacereconstruction, the nonlinear parameters pick-up technology and the syntheticprediction evaluation method. The reservoir seismic high resolution nonlinearinversion is a new seismic inversion way which the BP algorithm is embeded in theauto-adapted genetic algorithms interior to have the predominances of neural networktechnology and genetic algorithms, it adopts the new embedded GA-BP mixalgorithms and the nonlinear mapping technology, and realizes the inversionautomatically, obtains the high resolution seismic inversion profile. The reservoirseismic nonlinear synthesis prediction and evaluation is a new method which iscombined organically of genetic algorithms and adaptive neural fuzzy inferencesystem, it will optimize the new seismic attribute space which are processed to take the input, uses the new adaptive mix algorithm which GDand LSE(least-square estimation) mix algorithms of ANFIS network insert to the GAinterior and taboo search algorithms is added to the intercrossed operation place,the simulation of the evaluation parameters is used quantitative evaluation guide lineto the reservoir quality and oil-gas distribution.
2基于非线性理论,创建了储层地震非线性预测与评价方法技术,它是由裂缝预测、地震反演和储层综合预测与评价等三大非线性方法与技术组成:储层裂缝地震非线性预测是由相空间重建、非线性参数提取与预测技术及综合评价方法组成的一种新型裂缝预测方法;储层地震高分辨率非线性反演是将BP算法嵌入自适应遗传算法内部所构成的集遗传算法和神经网络技术优势于一体的新的地震反演方法,它采用嵌入式新的混合算法及非线性映射技术,自动实现反演,获得高分辨率地震反演剖面;储层地震非线性综合预测与评价是由遗传算法与自适应神经网络—模糊推理系统有机地相结合而产生的储层预测与评价的新方法,它将优化处理所形成的新地震属性参数空间作为输入,采用将ANFIS网络中的混合算法嵌入到GA算法内部与禁忌搜索算法加在交叉操作处产生新的自适应混合算法,将综合评价参数作为储层品质和含油气性的定量评价指标。
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To demodulate the OFDM signals accurately, channel estimation algorithms are adopted. This paper examines the slow-fading estimation algorithms based on block pilot arrangement: LS and LMMSE algorithms, as well as the fast-fading channel estimation algorithms based on comb-type pilot arrangement: linear and transform domain interpolation algorithms.
本文分析了导频分布的两种方案:1块状导频分布,对基于块状导频分布方案的慢衰落信道估计算法:最小平方和线性最小均方误差算法进行了计算机仿真,比较了二者的估计性能,以及各自的优缺点;2梳状导频分布,对基于这种分布方案的快衰落信道估计算法进行了研究,对两类经典算法:线性插值法和基于变换域的插值法分别进行了理论分析和计算机仿真。
- 推荐网络例句
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Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.
在对危险的南部地区访问时,他斥责什叶派民兵领导人对中央集权的挑衅行为。
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In fact,I've got him on the satellite mobile right now.
实际上 我们已接通卫星可视电话了
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The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.
世纪伟人邓小平的富民思想,是邓小平经济理论体系中的重要组成部分,是我国经济建设根本任务的一个重要方面。