遗传地

Considering the difference of the use of clustering algorithms caused by the diffference of data distribution, on the base of the analysis of Kmeans algorithm, fuzzy Cmeans algorithm and genetic algorithm, a new algorithm was brought forward based on the genetic algorithm and the improved neighbor function criterion. In view of the intrinsic connection of the special and the advantage of genetic algorithms wholesearch strategy, to a certian extent, this new algorithm solve the problem about the uncompact and irregular data distribution.

考虑到空间数据分布特性差异造成聚类算法采用的不同，在比较分析K均值算法、模糊均值算法和遗传算法的基础上，提出了改进的近邻函数准则，并有机整合形成遗传算法与改进近邻函数准则的新算法，综合了遗传算法的全局性概率搜索的优点，并考虑到空间数据内在的连接方式，在一定程度上较好地解决了数据的非致密非规则分布问题。

Aiming at a typical complex electromechanical system—temper mill, the study takes its main driving control system as object of study, works out such a difficult problem that many parameters are coupled mutually, hard to be set and configurated in complex electromechanical system, and makes the performance goal of the control system be optimal in the adjustable ranges of parameters.

分析了遗传算法和模拟退火算法寻优性能和各自的不足与局限性，将两种算法巧妙地结合起来加以修正、取长补短构成新的退火遗传算法，提高了算法的整体寻优性能；并以典型的复杂机电系统—平整机为研究对象，以其主传动速度控制系统为切入点，应用退火遗传算法，解决了复杂机电系统中多参数、相互耦合、难于整定和组态的难题，使控制系统的性能指标在参数可调范围内达到最优。

The genetic behavior of these QTLs were investigated accordingto the performance of backcrosses.

5对以IR24为遗传背景的一套籼型渗入系进行了三地两年的详细考察，初步确认了各渗入系中所携带的渗入片段对抽穗期、株高、穗数、实粒数、总粒数、千粒重、单株重和结实率等性状的影响，并初步定位了11个重要农艺性状和产量性状QTLs，估算了这些QTLs的遗传效应，并在回交和测交中进一步确定了这些QTLs的遗传行为，讨论了渗入系在QTL精细定位与杂种优势机理研究中的应用。

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。

A single machine scheduling problem with batchs setup time depending on sequence is proposed. The math model to minimize setup times is upbuilt. An improved adaptive hybrid genetic algorithm is brought up for solving this scheduling problem. Several operators are redesigned according to the characteristic of this scheduling problem. Follow job optimization recombination crossover is advanced for transmitting the good character to the offspring. To improve the mountain climbing ability of the genetic algorithm, the mutation is replaced by a local optimization algorithm.

提出了一种具有序依赖setup time的单机器批量生产调度问题，以总的setup time最小为目标建立了该生产调度问题的数学模型，设计了一种改进的自适应混合遗传算法求解该生产调度问题，对遗传算法的交叉和变异算子均按照该调度问题的特点进行了改进，提出一种&紧后任务选优重组交叉算子&，该算子能将调度排序上的优良性状很好地遗传到下一代群体中。

When relevance judgment is absent, a voting algorithm is designed to replace the NIST relevance assessors. It generates the pseudo-relevance judgment needed by the trec_eval program, the standard TREC evaluation tool. The objective function in evolution process is tuned according to various considerations.

在有相关性判定的遗传算法中，通过谨慎地选择遗传算子和遗传算法的形式以提高算法的全局和局部搜索能力，并避免早熟现象，取得了比手工调整结果更好的检索效果。

This paper pointed out that the essential of geoherbs is continuers quantities variation at population level, geoherb's populations are different in gene frequency with the others'; geohersm are quantitative trait loci controlled by multi-gene or combination with multiple-gene and major gene at individual level.

指出道地性的遗传本质在居群水平通常是个量变的过程，它与种内其他非道地药材区别主要表现为居群内基因型频率的改变；在个体水平表现为微效多基因控制的数量遗传，或是微效多基因和主基因联合控制的数量性状。

An adaptive genetic algorithm in conjunction with multi-population genetic strategy, entropy-based searching technique with narrowing down space and the quasi-exact penalty function was developed to solve the optimization problem. The proposed method culd successfully balance the efficiency against precision, and close the optimal solution quickly and stability.

一个自适应的遗传算法被用于求解上述优化模型，该算法采用多种群遗传策略、信息熵控制的空间减缩搜索技术以及拟精确罚函数方法，较好地平衡了效率与精度之间的关系，从而能够快速而稳定地逼近最优解。

In chapter 2, we proposed a fractal image coding method based on genetic algorithms. The searching scheme problem of domain block in fractal image coding is well solved by applying a robust genetic algorithm with well-selected populations and revised genetic operators. Experimental result has show that it can increase fractal image coding speed by this method.

第二章在简介分形图象编码和遗传算法的基础上，提出了基于遗传算法的分形图象压缩编码方法；通过有目的选择初始群体、改造遗传算子等手段，较好地解决了分形图象编码中的定义域块搜索策略问题，大大提高了分形编码的速度。

A pairwise comparison of paternity studies of bird populations in relation to genetic variability as determined by minisatellite band sharing coefficients among unrelated individuals was used to test the prediction that females should engage more frequently in extra pair copulations in populations with a greater amount of genetic variation.

小卫星共有谱带系数(minisatellitebandsharingcoefficient)可确定无亲源关系个体之间的遗传变异性，对与遗传变异性有关的雄性个体的父亲进行了成对比较以检验如下假说：在具有较多遗传变异的种群中，雌性个体更经常地进行配偶外交配。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。