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We develop our research on fuzzy pattern recognition from three aspects: one is the technique of fuzzy pattern recognition based on modified templet method, another is the measure based on fuzzy clustering, and the third is fuzzy neural network.

本文从三个方面开展对模糊模式识别方法的研究,即:基于改进样板法的模糊模式识别方法、基于模糊聚类的识别方法和模糊神经网络方法

Main research contents as follows:(1) The four destruction models and respective stability analysis methods are discribed in this paper, whose working mechnism and calculating methods are given. In addition, some defects of every method are also discussed ;(2) On the basis of traditional active soil pressure method and expirical siol pressure method , the calculating model of the laternal earth pressure which is a tetragon with the largest value in the center side is addressed.

主要工作如下:(1)本文给出了复合土钉墙的稳定性分析方法,该方法介绍了复合土钉墙的四种破坏类型,分析了每种破坏类型的受力机理,并给出了相应的计算方法和计算方法中的一些不足;(2)在传统的主动土压力和经验土压力的基础上,建立了土钉墙中间大、上下小的四边形状分布的侧向土压力的计算模式。

In addition, some defects of every method are also discussed ;(2) On the basis of traditional active soil pressure method and expirical siol pressure method , the calculating model of the laternal earth pressure which is a tetragon with the largest value in the center side is addressed.

主要工作如下:(1)本文给出了复合土钉墙的稳定性分析方法,该方法介绍了复合土钉墙的四种破坏类型,分析了每种破坏类型的受力机理,并给出了相应的计算方法和计算方法中的一些不足;(2)在传统的主动土压力和经验土压力的基础上,建立了土钉墙中间大、上下小的四边形状分布的侧向土压力的计算模式。

It has been proven that the textural information can be used to classification by means of test.

本文首先分析了遥感影像分类方法和纹理提取方法的研究现状,接着对地统计学的基本原理进行了论述,在这一理论的基础上,对变差函数应用于遥感影像的纹理描述和提取进行了论证和实验说明;并就一些具体应用问题如计算窗口大小、计算方向和计算步长的选择等问题进行了讨论,提出了一种自适应的确定纹理计算窗口大小的方法;同时,在现有算法的基础上提出了一种新的纹理计算方法――加权变差函数法。

First, the time series model of the random road roughness running by construction machinery is built up based on the measured data of the random road roughness and by means of the basic theory and method of the time series analysis. A real-time parameter estimation method of fuzzy weighted recurrence least square algorithm is represented through analyzing the conventional recurrence least square algorithm. Then, the new recurrence algorithm and the on-line tuning method of the weighted matrix are given out, and computer simulation is performed.

首先,以实测的地面随机不平度数据为依据,应用时序分析的基本理论和方法,建立了工程机械行驶地面随机不平度的时间序列模型,并在分析传统参数估计方法递推最小二乘算法的基础上,提出了模糊加权递推最小二乘算法的参数实时估计方法,给出了在此基础上的递推算法及加权矩阵的实时在线整定方法,并对其进行了计算机仿真研究。

A method for determination of mercury in blood using a thiourea mixed extraction method has been ...

本文针对常规分析方法存在的不足,研究建立了硫脲混合液提取测定血样中汞的新方法,样品预处理不需要加热消解,且由于硫脲混合液与汞生成稳定化合物,可有效地减少常规预处理方法在样品预处理和测定过程中汞的吸附和挥发损失,方法的回收率高、重现性好、简便、快速、分析费用低。

After analyzing the merit and lack of 9I model, the main idea is proposed: to distill some basic topological relations from 9I model, of which the composite topological relations of complex objects are made up. In detail, the composite topological relationships between region and region, line and line, line and region are particularly discussed;(2)Analyze the characteristics and inner relations of cadastral features. According to the expressional model of complex topological relations, the author discovers the possible topological relations between parcels, parcel lines and parcel points. In addition, sum up the general topological relationship rules of cadastral data.(3) Then the topological relations model is extended to the spatio-temporal data. Time in cadastral database and change semantic are discussed. It's redefined that spatio-temporal topological relations is composed of time, location, status and event relation. Spatio-temporal topological relationships can be represented by extended 4I model. Taking cadastral parcels as example, there are different possible spatio-temporal topological relationships between parcels when they are extended, shrunken, split, merged or others. Thus, some deductions are drawn that, for example, if parcels have be coexisting for some time they are impossible to be overlapped. Furthermore, the parents of parcels alternated and their possible change types can be detected by their spatio-temporal topological relationships.(4) Before carrying out the experiment, the calculation method must be designed.

具体研究工作及成果如下:(1)根据点集拓扑理论中与拓扑空间相关的概念,本文对空间的点、线、面进行了重新定义,以区分对象的复杂性;分析了9I模型在表示简单对象方面的优点,以及在表达复杂对象上的不足,阐述了本文的研究思路和解决方案,并以复杂的面面、线线和线面为例详细探讨了复合拓扑关系的表达方法;(2)分析了地籍权属数据和地类数据的内涵、特点和要素之间的联系,根据复杂对象的拓扑关系表达模型,本文讨论了宗地、界址线、界址点之间,图斑、线状地物、零星地类之间可能存在的拓扑关系和形式化表达方法,归纳总结了地籍对象的拓扑关系满足的约束性规则;(3)将拓扑关系的研究延伸到时空领域,从地籍对象的时态性出发,本文阐述了地籍数据中时间的含义和变化语义描述的需要;从时间、位置、状态、事件等之间的拓扑关系方面,重新系统性地进行了时空拓扑关系的定义;研究了一维时间和二维空间的集成表达方式,以宗地、界址线为例,分析了变更前后不同时间区间里可能的拓扑关系,探讨了时空拓扑关系对时空变化操作类型和变化语义的推理方法和意义;(4)为实现空间拓扑关系的查询分析等应用,本文研究了空间拓扑关系的计算方法

In chapter 1, an up to now synthetically evaluation is given on the research ways and conclusions about jet in cross-flow. Considering the shortage of previous research ways and techniques (the instantaneous flow field and vortices field can not be properly get), in addition to the deficiency of corresponding conclusion (mainly concentrate on the analysis of time-average but little on structures of flow and action of vortex), the research way and content is draft out in this part. Though PIV, the time-average, instantaneous flow field and vortices field can be get, that will unveil the coherent vortex and its course of generation, development and evolvement, with the assistance of K-ε model and Hybrid Finite Analytic Method , which will proof-test the experiment result and bring some complementary, more profound research about the 3-D characters can be done. Using some fundamental topological theory and principle on flow analysis, with anglicizing of vortex structure, a reasonable description is the topological characteristic of near field in JICF given.

首先在第一章中对横流中湍射流的以往研究方法和研究成果给予了综合的评述,针对横流中湍射流旋涡结构以往研究中研究方法的局限性(不能很好得到流动的瞬态流场及涡量场)和相应研究成果中存在的不足(大都集中在时均特性的分析,对流动的内部结构和旋涡的运动阐述很少),明确了本文的研究方法和研究内容:通过PIV流动测量显示技术得到流动的时均及瞬态流场、涡量场,来揭示横流中湍射流的时均、瞬态流场、涡量分布特性,和各种具有拟序结构性质的复杂涡系的产生、发展及演化过程;结合湍流k-ε双方程模型及相应的HFAM计算方法,对于实验进行相互验证和补充,从而更为充分地研究各种旋涡的三维特性;利用拓扑分析的一些基本原理及相关规则,依据对各种旋涡结构的分析,做出对射流近区流场拓扑性质的合理描述。

An optimization design scheme is crucial for torpedo, however, there has been no any such method recognized so far. This paper presents a method for torpedo lineshape optimization design based on the iSIGHT. In this method, the optimization strategies of simulated annealing algorithm and continuous quadratic planning method are adopted, and the fluid analysis software Fluent is integrated to calculate the fluid parameters of torpedo body lineshape. The comparison of the optimization results obtained by both the presented and the traditional methods shows that the torpedo lineshape optimization method based on the iSIGHT is satisfactory and feasible.

寻找最优设计方案是鱼雷设计的重中之重,针对目前鱼雷优化设计领域还没有一套公认的优化设计方法这一现状,提出了一套基于iSIGHT的工程设计优化方法,将这款商业软件应用于鱼雷线形优化设计中,采用了模拟退火算法+连续二次规划法的优化策略,集成流体分析软件Fluent对雷体线形的流体参数进行了计算,并与传统优化方法结果相比较,结果表明,基于iSIGHT的优化设计方法在鱼雷线形优化设计中是可行的,能够得到令设计人员满意的鱼雷线形优化方案。

This paper has summarized four kinds of methods of constructing new sequences with required complexity: constructing method, trace function method, Bent function method and chaos method.

通过分析,我们总结了构造复杂度特性好的序列的方法大致有四种,构造法、迹函数方法、Bent函数方法、混沌方法等。

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And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时,论述了一体化管理体系构建中的几个主要问题,包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。

If you're huffing and puffing at any point during the run, slow down and make sure you can take deep breathes.

如果你任何时候在跑步过程中气喘如牛,降低速度并且确保你能够深呼吸。