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The reliability theory is combined with the fuzzy optimization technique, the theories and methods on the symmetrical fuzzy reliability optimization design, the asymmetric fuzzy reliability optimization design and the multi-objective fuzzy reliability optimization design are presented respectively, and then the correspondence direct model solutions, the iterative solutions, the corrected algorithm for iteration method, the level cuts solutions and the searching solutions with limited boundary for the asymmetric fuzzy reliability design are presented respectively.
将可靠性理论与模糊优化技术有机地结合起来,提出了结构对称模糊可靠性优化设计、非对称模糊可靠性优化设计和多目标模糊可靠性优化设计理论与方法,并分别给出了模型的直接解法、迭代解法、迭代求解的改进算法和非对称模糊可靠性优化设计模型的水平截集法和限界搜索法。
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The main objective of this dissertation was to develop methodologies with capability of engineering application for simulating flow in fractured rock using discontinuum models. The study work includes three parts. In the first part, numerical methodology of three-dimensional discrete fracture network model casing on hybrid BEM-channel was presented, and the technique for improve the model's computing efficiency was also studied. Firstly in this part, computer simulation methodology based on the Baechermodel for generating network of discrete fractures was presented, which includes the follow details: probability distributions of fracture density,orientation, trace length, size, and aperture and estimation of their statistical parameters; stochastic models of fracture network; Monte-Carlo's simulation method; numerical simulation procedure and technicality.
给出了离散裂隙网络模型所依据的基本假定;发展了基于Baecher模型的离散裂隙网络计算机随机生成技术:详细地推导了单裂隙渗流和多裂隙相交网络渗流的边界单元法公式,发展了离散裂隙网络中稳态渗流的边界元数值技术,并且讨论了相关的具体数值技术细节,如角点的处理方法,单元的自动剖分等:描述了混合边界元—管流模拟方法及其数值实现;研究了裂隙网络的简化方法,并针对裂隙网络边界元法的特点提出了一种改进的分块三角分解法。
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On this basis a design scheme of the database for SCADA based on the component object model is presented, in which the content and background of IEC 61970 standard is introduced first, then some different component model are assayed , then a design scheme of the database for SCADA based on the component object model is presented, the foreground application of SCADA is connected with the database by components.The new model have some advantages: system have disrelation with develop language ,the peculiarity of COM make the system fit in with different apply program developed with different language;(2) the system can be modified and upgraded easily by means of upgrading the component modules;(3) the system can be enlarged easily by means of adding the new component modules without quiet amendment in old system.
为此,本文介绍了一种基于组件对象模型的SCADA数据库系统设计方案,文中首先介绍了IEC61970标准的内容及产生背景,分析了几种不同的组件模型,在此基础上,提出了一种基于COM组件技术的SCADA数据库设计及访问模式,在此模式下根据SCADA数据库不同的功用划分了不同的组件模块,利用组件连接数据库与SCADA前台应用,基于组件技术的SCADA数据库设计有以下一些特点:(1)与语言无关性,COM的特性决定了此系统上可以应用不同语言开发的应用程序;(2)系统易修改及维护,用户可以通过更新组件模块的方式修改及维护系统;(3)系统易扩展新的功能,用户可以通过开发新的组件方式将新的应用与原系统结合,而不用对原系统做很大的修改。
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In the last part of this thesis, the flow of RSD pulse generator design and the electromotion force are presented, and a design example of high power pulse output is presented.
为了使器件早日走向市场,最后给出了基于RSD脉冲发生电路的设计流程以及对电动力的分析,并以一个例子进行了说明。
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A region superresolution spectrum estimation method based on coventional DFT computation is presented for obtaining one dimensional range profile, which has the advantages of real-time in computation and robustness under clutter and noise background over general superresolution methods. A iterative extropolation method based on both priori knowledge provided by conventional DFT spectrum and matching filtering process of target return data is also presented for range profile processing, which has the advantages of robustness in improving range resolution, suppressing clutter and noise.
在目标一维距离成像谱估计中,提出了以常规DFT为基础的邻域超分辨谱估计方法,它与普通超分辨算法相比,具有实时性强、在杂波与噪声背景中稳健性好的优点;在外推成像处理中,提出了以常规DFT目标结构图像为约束条件并结合目标信号准匹配滤波处理的迭代外推算法,其优点是稳健性好,能适度地提高距离分辨力但保留适度的抗杂波抗噪声能力。
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A system design of reactive ion etcher, which is based on the demand of photonic crystal fabrication, is presented in this paper from the angle of research and experiment. And then the demonstration is also presented.
本文基于光子晶体的实验室制备的需要,从科研和实验应用的角度,提出了一种反应离子刻蚀机的设计方案并对之进行论证。
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Then the best linear unbiased estimate method for interval data of normal distribution, Weibull distribution, extreme value distribution or other location-scale parameter models is presented. The presented method has higher precision, and solves the problem of reliability assessment with small sample of storage life.
在此基础上,提出一种区间数据最佳线性无偏估计方法,并对正态分布、极值分布、Weibull分布等常用的位置一尺度分布进行讨论,该方法能够对产品贮存寿命进行小样本预测和可靠性评定。
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Base on the in-depth analysis into the phase-to-ground fault mechanism and its features, the new concept is presented, which is to change the reference signal for analyzing and processing from the steady signal to the transient signal in a fault case A new principle of the fault feeder line selection with the synthetic logical criterion is presented creatively, which is based on the waveform recognition of the selected time-frequency window.
在深入分析单相接地故障的机理及故障特征的基础上,提出了从基于稳态信号原理转到基于故障暂态信号去分析和处理的新概念;创造性的提出了基于选线时频窗波形识别的综合性逻辑判据的故障选线新原理。
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Up to this time, the major challenge to sign language recognition is how to develop approaches that scale well with increasing vocabulary size In this paper, an approach to large vocabulary, continuous Chinese sign language recognition is presented, which uses subwords instead of whole signs as the basic units Since the number of subwords is limited, HMM based training and recognition of the CSL signal become more tractable and have the potential to recognize enlarged vocabularies Furthermore, the proposed method facilitates the CSL recognition when finger alphabet is blended with gestures About 2400 subwords are defined for CSL One HMM is built for each subword, and then the signs are encoded based on these subwords A decoder that uses tree structured network is presented Clustering of the Gaussians on the state, language model and N best is used to improve the performance of the system Experiments on a 5119 sign vocabulary are carried out, and the correct rate is over 90% for continuous sign recognition
迄今为止,手语识别面临的最大问题是如何解决词汇集易扩充的连续识别提出一种大词汇量连续中国手语识别方法,将词根作为识别基元,由于基元的数目是有限的,因此基于HMM的手语信号的训练和识别变得比较容易处理,可以实现更大词汇量的识别除此之外,所提方法还有利于实现手势语和手指语的混合识别从中国手语中共整理出2 4 0 0多个词根,为每个词根建一个并行的HMM模型,对各数据流的HMM模型进行聚类,确定出手语识别的基元根据这些基元对手势词编码,并建立了树状搜索网格,使用状态结点上高斯密度函数聚类、语言模型和N Best方法提高系统的速度和精度对 5 119个手语词做了实验,连续语句的识别率可在 90 %以上
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The test results obtained by National Defense Underwater Acoustic Metrology center show that, the FOH presented in this dissertation has extremely low acceleration sensitivity and excellent performance, which can completely satisfy the towed linear array application.The main results and the creative points of the present dissertation are as follows:1. A novel FOH structure is presented.
在国防水声一级计量站对(来源:ABe5f5e5C论文网www.abclunwen.com)所研制的拖曳线列阵光纤水听器的综合性能指标进行了全面测试,测试结果表明本论文研制的拖曳线列阵用光纤水听器具有很低的加速度灵敏度和很好的综合性能,已能满足光纤水听器拖曳线列阵的应用要求,这为光纤水听器拖曳线列阵的发展奠定了基础。
- 相关中文对照歌词
- Cuando Limpia El Humo
- I Can't Get Started
- Dear Ms. Leading
- I Can't Get Started
- Ear To Ear
- I Can't Get Started
- Just For Me
- Altered States
- Tye Dye The Night
- Laughing With
- 推荐网络例句
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The receding calculations and experiment analyses in this subject are built on the blood cast of pig tongue.
本研究课题的前期工作是采用猪舌血管铸型模拟人舌而进行的数值计算与实验分析。
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"Each human infection constitutes an opportunity for genetic modification of the virus through reassortment, mutation, or both...."
&每一次人类的感染都暗藏着一次基因修改的机会,无论是通过病毒的整合、突变或者兼而有之。。。。&
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Beside the introduction, concerning the background and meaning of selected title, several studying prerequisites and assumptions, the contents and structure, the train of thought and method, domestic and international research overview and document reviewing, etc. this text divides three chapters altogether, its main content is as follows: the inevitability of developing commercial nonproprietary mutual funds, the superiority analysis of this fund, and what is and how to manage the latent difficulties operating this fund, etc.
除前言对选题背景与意义、研究的若干前提与假设、研究的思路与方法、国内外研究概况与文献回顾以及论文的基本结构等内容进行阐述外,本文共分三章,其主要研究涉及:商业银行发展自营投资基金的必然性,商业银行自营投资基金的优势及面临的问题的分析、对商业银行发展自营投资基金业务的建议,等等。