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crossover
相关语句
  交叉
    SELECTING CROSSOVER SITE WITH UNEQUAL PROBABILITY IN GENETIC ALGORITHMS
    交叉位置非等概率选取的遗传算法
短句来源
    Simplex Crossover Operator for Genetic Algorithm
    遗传算法的单纯形交叉算子
短句来源
    Solution of VRPTM Using Mixed Genetic Algorithm of Improved Crossover Arithmetic Operators
    利用改进交叉算子的混合遗传算法求解VRPTW
短句来源
    Through evaluation function . we adjust crossover and mutations' probability self-adaptive in order to improve search efficiency and stability of the algorithm.
    然后,针对柔性作业车间调度问题中的特点以及遗传算法的搜索历史,我们通过评价函数自适应的调整交叉概率和变异概率来提高算法的搜索效率和算法的稳定性。
短句来源
    But,genetic algorithms using ordinal strings must use special crossover operators such as PMX,OX and CX,instead of general crossover operators.
    但是,序号编码的遗传算法不能在任意两条染色体的任意位置进行交叉,必须使用PMX,CX和OX等特殊的交叉算子,这些算子实施起来都很麻烦且效率不高.
短句来源
更多       
  交叉
    SELECTING CROSSOVER SITE WITH UNEQUAL PROBABILITY IN GENETIC ALGORITHMS
    交叉位置非等概率选取的遗传算法
短句来源
    Simplex Crossover Operator for Genetic Algorithm
    遗传算法的单纯形交叉算子
短句来源
    Solution of VRPTM Using Mixed Genetic Algorithm of Improved Crossover Arithmetic Operators
    利用改进交叉算子的混合遗传算法求解VRPTW
短句来源
    Through evaluation function . we adjust crossover and mutations' probability self-adaptive in order to improve search efficiency and stability of the algorithm.
    然后,针对柔性作业车间调度问题中的特点以及遗传算法的搜索历史,我们通过评价函数自适应的调整交叉概率和变异概率来提高算法的搜索效率和算法的稳定性。
短句来源
    But,genetic algorithms using ordinal strings must use special crossover operators such as PMX,OX and CX,instead of general crossover operators.
    但是,序号编码的遗传算法不能在任意两条染色体的任意位置进行交叉,必须使用PMX,CX和OX等特殊的交叉算子,这些算子实施起来都很麻烦且效率不高.
短句来源
更多       
  “crossover”译为未确定词的双语例句
    Calculation of the Strong and Weak Coupling Crossover Points of Lattice Gauge Theory with Mean Field Approximation Method
    平均场近似方法计算格点规范理论的强弱耦合过渡点
短句来源
    Adaptive Crossover Rate and Mutation Rate in Genetic Algorithms
    具有自适应交换率和变异率的遗传算法
短句来源
    A New Crossover Operator for TSP
    一种新的求解TSP问题的杂交算子
短句来源
    Assessment of Individual Bioequivalence in 3-sequence 3-period Crossover Designs Using Generalized P-value
    3×3设计中个体生物等效性评价的广义P-值法
短句来源
    Each subpopulation evolves separately with different crossover and mutation probability, but they exchange individuals in the elitist archive.
    构成每个岛的子群体以不同的杂交概率和变异概率各自独立的演化 ,但是每隔一定的代数它们要交换外部集中的个体 .
短句来源
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  crossover
At each iterate, by reduplication, crossover and mutation, a finite set of points can be used.
      
For the genetics algorithm, chromosome coding, fitness function, parameters selection, and the basic genetics operation including selection, crossover and aberrance, are described.
      
Eight young, healthy male volunteers were exposed to two 24 h periods of continuous wakefulness during the crossover experiment.
      
Numerical investigation of aerodynamic performance influenced by circumferentially pre-swirling coming flow on the crossover and
      
Numerical investigation is implemented on aerodynamic performance inside the crossover and de-swirling cascade of a multistage centrifugal compressor.
      
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Using the naive mean field approximation method, We calculate the β values of the strong and weak coupling crossover points of seveval kinds of pure gauge field actions with U(1), SU(2), SO(3), SU(3) gauge groups in the lattice gauge theory, and illustrate especially the tricks for Calculating the Manton action with mean field approximation method. The results are in good agrement with that of Monte Carlo simulation.

我们用朴素的平均场近似方法计算了U(1)、SU(2),SO(3)、SU(3)格点规范理论几种纯规范场作用量强弱耦合过渡点的β值。特别说明了用平均场近似方法计算Manton作用量的技巧,计算结果与现有的Monte Carlo摸拟结果符合得较好。

For SU(2) lattice gauge theory, Manton action is studied by means of improved variational method. When the second correction is taken into account, the data of the internal energy per plaquette are in good agreement with the Monte Carlo data. Then the specific heat curve is made, from which a quite correct value of β at crossover point (βc) is obtained.

本文用改进变分法对SU(2)格点规范理论的Manton作用量进行了研究。结果发现,精确到三级贡献的平均元格内能曲线与Monte Carlo数据符合得较好,从进一步求出的比热曲线中,能得出较准确的比热峰值(9c)。

This entensive review on clinical trials for applied statistictians is intended to outline the problems in the application of statistical principles and methods to clinical research, biases in medical research, and the challenges progress, prospects and difficulties of clinical trials. The prominent place occupied by clinical trials is stressed. The first part of the paper consists of (1) introduction, (2) biases in clinical research, (3) ethical issues, (4) the design for clinical trials, its subconsisting...

This entensive review on clinical trials for applied statistictians is intended to outline the problems in the application of statistical principles and methods to clinical research, biases in medical research, and the challenges progress, prospects and difficulties of clinical trials. The prominent place occupied by clinical trials is stressed. The first part of the paper consists of (1) introduction, (2) biases in clinical research, (3) ethical issues, (4) the design for clinical trials, its subconsisting of crossover designs, sequential treatment assignment, and phase combination design. The part II will focus on the analytic aspects of clinical trials.

我们已经进入医学发展速度空前的新时代,新知识、新疗法、新的诊断工具与程序、新的预防措施层出不穷.这是由于科学的研究方法和传统的医学方法相结合而形成的.涉及人体的临床试验不仅因素复杂,而且常常面临伦理问题;但任何一种医学上的进展,最后都难免至少是部份地要依靠临床试验来证实. 本文的主要目的是向从事应用统计的读者介绍“临床试验”(clinical Trials)的地位与内涵;医学研究中的偏性;将试验设计与统计分析的基本原则与方法应用于临床医学研究遇到的问题、机会、进展和困难.具体内容分两篇.本篇包括:1,引言;2,医学研究中的偏性;3,伦理问题;4,试验设计,包括对传统方法的讨论、序贯平衡、不同阶段(Phse)相结合.下篇包括生存质量分析;依从性和Meta分析等.

 
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