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genetic operation
相关语句
  遗传操作
     3, genetic operation.
     3、进行遗传操作
短句来源
     Float encoding genetic algorithm (FGA) is adopted for genetic algorithm, and corresponding genetic operation(selection, crossover and mutation) are designed.
     对多极值函数的全局优化问题 ,采用十进制浮点数对遗传算法进行编码 ,综合设计出相应的选择、交叉与变异遗传操作 ,得到浮点数编码的遗传算法 (Float encodingGeneticAlgorithm ,FGA) .
短句来源
     Research on the Mechanism of Real-coded Genetic Operation
     实数编码遗传操作机制的研究
短句来源
     A Genetic Algorithm Based on Uniform Design Paralleled with Genetic Operation
     均匀设计和遗传操作并行的遗传算法
短句来源
     The paper applies genetic algorithms to optimizing the decision of logistics supply, describes the structure of genetic chromosome and applicable function, moreover designs genetic operation and does simulative experiment.
     本文应用遗传算法优化物流配送决策,并描述该优化决策中的遗传染色体结构和适应度函数,设计相应的遗传操作,并进行仿真实验。
短句来源
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  遗传算子
     Genetic algorithm is used in the machine self-learning of SADS, initial fuzzy relation matrix is used as initial value, fitness function and genetic operation is designed, and genetic operation is improved.
     将遗传算法用于SADS的机器自学习中,直接用初始模糊关系矩阵作为初始值,设计适应度函数和遗传算子,并对遗传算子进行改进。
短句来源
     Comparing Partheno-Genetic Algorithm(PGA) with Traditional Genetic Algorithm(TGA) in their encoding methods,genetic operators,computing procedures and individual fitness,this paper points out that the function of crossover operators of TGA using ordinal encoding methods is implied in the genetic recombination operators of PGA and that every offstring of PGA remains most of the genetic features of its parent,though PGA is partheno-genetic and its genetic operation has essential difference from TGA.
     通过对单亲遗传算法 ( PGA)和传统遗传算法 ( TGA)的编码方式、遗传算子、运行过程和适值计算等方面的比较分析 ,指出尽管 PGA采用单亲繁殖方式 ,其遗传操作与 TGA有着本质的区别 ,但 PGA的基因重组算子隐含了序号编码 TGA的交叉算子的功能 ,PGA的子代个体保留了父代个体的大部分遗传特征。
短句来源
     The BLAST similarity score matrix and an absolute alignment block weighed fitness evaluation function are adopted. The characters and gaps composed matrix, which is convenient for genetic operation as well as individual evaluation, are also adopted to coding the chromosome of population.
     避开遗传算法通常所采用的遗传操作算子,设计了独特的遗传算子(插入删除算子和合并分离算子)、基于BLAST相似度评分方法和完全比对块加权的个体适应度值评价函数,采用了便于插入和删除操作以及相似度评分的基于字符和空位矩阵的染色体编码方案。
短句来源
     CEGA follows the basic principle of genetic algorithm,but implements cooperative mutation of genes during genetic operation to raise efficiency of genetic operators.
     这种算法沿用了遗传算法的基本思想 ,但在遗传操作过程中实现基因的协同变异 ,以提高遗传算子的搜索效率。
短句来源
     Partheno-genetic algorithm (PGA) repeals crossover operators of traditional genetic algorithms (TGA) while it has the reproduction manner with only parent. Comparing with TGA, the genetic operation of PGA is simpler; the initial population of PGA needs not be varied;
     单亲遗传算法(PGA)取消了传统遗传算法(TGA)的交叉算子,代之以仅在1条染色体上操作的基因重组等遗传算子,简化了遗传操作,提高了计算效率,并且不要求初始群体的多样性,也不存在"早熟收敛"问题.
短句来源
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  遗传操作的
     A Mixed Algorithm Training Neural Network Based On Genetic Operation
     一种基于遗传操作的神经网络混合训练算法
短句来源
     A Real-coded Genetic Algorithm with Genetic Operation Combination
     一种组合遗传操作的实数编码遗传算法
     Because the evolution unit and the best - function unit are parallel while they are working, and most of the genetic operation is completed by hardware, the speed of compression is very high.
     由于进化单元和最优函数单元是并行工作的,而且遗传操作的大部分都由硬件完成,故压缩速度很高。
短句来源
     Analyzing the theory of image restoration, and the completed steps of genetic operation are given.
     分析图像恢复的基本原理 ,给出遗传操作的具体步骤。
短句来源
     Degree-constrained Multicast Routing Algorithm Based on Genetic Operation
     基于遗传操作的带度约束的多播路由算法
短句来源
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  “genetic operation”译为未确定词的双语例句
     And in order to create the creative products , GP is used in creative design by using the genetic operation and dealing with the tree structure.
     根据创新设计与IGP存在的共同点,将IGP引入产品创新设计的实现上,利用GP的操作,对遗传程序树进行处理,以产生创新性的设计造型。
短句来源
     PEGA make up for their lacks and genetic operation of PEGA is much simper than traditional genetic algorithm.
     与传统的遗传算法相比 ,PEGA算法弥补了它们的不足之处 ,简化了遗传算法。
短句来源
     Study of Genetic Operation of the Survival of the Fittest
     遗传算法优胜劣汰算子研究
短句来源
     From the contrative curve between the probability of genetic operation and the optimal result, the value of crossover and mutation probability are determined.
     而分别改变变异概率、交叉概率,则可以得到两种遗传概率与优化结果的关系曲线,最后在此基础上确定基本遗传算法的优良参数。
短句来源
     The third chapter of this thesis gives the important ingredients of PFNN_FG: the parametric feedforward neural network, fuzzy sets at the input and output layer and the chromosomal representation of the variant Sigmoid function parameters and fuzzy set parameters as well as the genetic operation.
     通过改进SNNS的内核,加入了新的学习算法PFNN_FG,新的参数化传输函数Act_Variandt_Sigmoid和模糊π函数Act_Fuzzy_Pi。
短句来源
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  genetic operation
This algorithm uses the quotient as the fitness of each individual and employs pseudo-relaxation method to adjust individual solution when it does not satisfy constraining condition any more after genetic operation.
      
In addition, the implementation of the model has a regular structure, so that circuits can be reconfigured very quickly through a genetic operation.
      
Since this plasmid has both pBR322 and SCP2* replicons, it may provide a novel and useful method for genetic operation in E.coli and Streptomyces.
      
It first generates a new group of individuals through genetic operation such as reproduction, crossover, mutation, etc, and than simulated anneals independently all the generated individuals respectively.
      
Then choose the individual according to the adaptation function value and do genetic operation (reproduction, crossover and mutation), so as to produce offspring with more adaptation function value.
      
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This paper reviews some current progress in molecular biology of plant cold hardiness.Duringcold development,endogenous levels of ABA increase,gene-expression changes and cold acclimation-in-duced protein(CAIP)synthesize,and cold-regulated gene(CoR Gent)is separated and cloned.The func-tions of CAIPs and CoR Genes are discussed,too.Using anti-freezing protein genes from polar fishes,transgenic plants have been got by genetic operation.The genes expressed in tomato have increased its coldresistance.The...

This paper reviews some current progress in molecular biology of plant cold hardiness.Duringcold development,endogenous levels of ABA increase,gene-expression changes and cold acclimation-in-duced protein(CAIP)synthesize,and cold-regulated gene(CoR Gent)is separated and cloned.The func-tions of CAIPs and CoR Genes are discussed,too.Using anti-freezing protein genes from polar fishes,transgenic plants have been got by genetic operation.The genes expressed in tomato have increased its coldresistance.The future is marvellcus in genetic engineering on plant cold hardiness.

本文综述了植物抗寒研究在分子水平上的某些最新进展.在植物抗寒力发育过程中,其内源脱落酸(ABA)水平提高,基因表达改变,冷驯化诱导蛋白质产生,冷调节基因得到分离和克隆。讨论了冷驯化诱导蛋白、冷调节基因的可能功能;利用外源极地鱼类的抗冻蛋白基因进行遗传操作得到转基因植株,抗冻蛋白基因在西红柿等植物中表达以及植物抗寒基因工程的前景.

This paper introduces a procedure for rapid isolation of plant DNA from tender endosperm of seedplant with the method of improved " Chlorform-ISO-Amili. alcohol" The materal is easy to pestleand have higher content of DNA. The method is simple and convenient to operate and is applicable torapid preparation of plant DNA for the experiments of genetic operation , laboratory and so on.

本文介绍以种子植物幼嫩胚乳为材料,用改良的氯仿-异戊醇快速提取方法提取植物总DNA。这种材料和方法,细胞磨碎容易,DNA收取量大,操作简便,适用于遗传操作及教学实验等方面的DNA快速制备。

A novel global optimal method-numeric genetic algorithm(NGA) is proposed in this paper.NGA can deal with the optimization of continuous variables. NGA can alsofind global optimal in the presence of many local optimal and is especially suitable to deal with complicated nonlinear problem. Individual and population are varied by genetic operations to gradually adapt the environment. Besides crossover and mutation, a new genetic operation-memory is proposed in this paper to shrten the calculating...

A novel global optimal method-numeric genetic algorithm(NGA) is proposed in this paper.NGA can deal with the optimization of continuous variables. NGA can alsofind global optimal in the presence of many local optimal and is especially suitable to deal with complicated nonlinear problem. Individual and population are varied by genetic operations to gradually adapt the environment. Besides crossover and mutation, a new genetic operation-memory is proposed in this paper to shrten the calculating time. The stability constants of trichlorosalicylic acid and its complexes of copper and iron have been calculated by using NGA.

提出了一种新的全局优化方法──数值遗传算法。该法可以处理连续变量参数的优化问题,能在很多局部较优中找到全局最优点,特别适合处理复杂的非线性问题。该法通过遗传操作不断改变个体和群体,使之逐渐适应环境;除新设计了交配和突变数值遗传操作外,本文还提出了记忆遗传操作,从而加快了运算的速度。采用这种算法,测定了新型化学发光材料的重要中间体──三氯水杨酸的酸常数及其与铜和铁的配合物的稳定常数。

 
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