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灰色不确定性
相关语句
  grey uncertainty
     In this method, the uncertainty of system risk is attributed to grey uncertainty of system, the variables of system performance function are treated with grey probability distributions and the system hazard is quantified with grey\|stochastic risk.
     在该方法中 ,作者将风险率的不确定性归因于系统的灰色不确定性 ,将系统性能函数变量的分布处理成灰色概率分布 ,并用灰色 -随机风险率来量化系统失效的风险性 .
短句来源
     In this method, the non-sudden environmental risk is attributed to stochastic uncertainty and grey uncertainty of environmental system. The variables influencing on environmental capacity and the consumption of environmental discharge are treated with grey probability distributions, and the non-sudden hazard of environmental system is quantified with the level of environmental risk expressed in the form of grey probability.
     将非突发性环境风险归因于环境系统的随机不确定性和灰色不确定性 ,将影响环境容量和环境负荷耗用量的变量的分布处理成灰色概率分布 ,并用具有灰色概率形式的环境风险度来量化环境系统的非突发性失效风险性 .
短句来源
     Directing towards the grey uncertainty of probability itself,the concepts of grey probability,the grey degree of grey probability,grey probability distribution,grey probability density,grey expectation and grey variance are defined based on the theory of probability and grey system approach. The Dempster Shafer theory and Dempster's and Shafer's approachs to inference,that can be used to estimate the parameters of grey probability distribution,are introduced.
     针对概率本身的灰色不确定性 ,基于概率论和灰色系统理论方法 ,定义了灰色概率、灰色概率的灰度、灰色概率分布、灰色概率密度、灰色期望及灰色方差等基本概念 ,介绍了可以用于灰色概率分布参数估计的D S理论及其参数统计推断的Dempster方法和Shafer方法
短句来源
     Characteristics of grey uncertainty existing widely in water resources system is discussed. From the general concept and expression of risk,the concepts of grey risk probability, grey risk degree and their calculation models are put forward combining grey system theory with risk analysis theory.
     针对水资源系统中广泛存在的灰色不确定性的特征 ,从水资源系统风险的一般概念和表示方法出发 ,将灰色系统理论和风险分析理论相结合 ,提出了水资源系统灰色风险率、灰色风险度的概念 ,并导出了相应的计算公式 .
短句来源
     However,this mode has two big problems in its quality assurance system′s dynamic network,namely lack of information and grey uncertainty which is hard to predict.
     在这种生产模式下的质量保证系统动态网络中一个很大的问题就是少数据、贫信息难以预测的灰色不确定性问题。
短句来源
  gray uncertainty
     The first two models are built on the one-dimension gray problems; the later four models are built on two-dimensions, three-dimensions and four-dimensions gray problems. The object (gray uncertainty complex problem), which is applicable to them, is different because of the diversity of their chief behavior.
     这六种模型分别定义了一维或多维灰色问题的信息处理过程及计算方法,前二种模型是针对一维灰色问题所建立的模型,后面四种模型则是分别针对二维、三维和四维灰色问题所建立的模型,它们所适用的对象(灰色不确定性复杂问题)所具有的主行为因素是不一样的。
短句来源
     Authors analyzed uncertainties of error and tolerance, found that it is feasible to describe it by gray uncertainty theory, and solved dimension chain through gray mathematics equation.
     作者分析了误差和公差的不确定性,发现它们可用灰色不确定性描述,并应用区间灰数数学方程来作了尺寸链的求解。
短句来源
     Therefore, it also proves that it is correct to apply gray uncertainty to describe error and tolerance.
     这也证明了应用灰色不确定性来描述误差和公差是正确的。
短句来源
  “灰色不确定性”译为未确定词的双语例句
     This paper sets forth the feasibility and the advantage of the fuzzy set theory, gray system principal, evidential theory and unascertained number in the aspect of solving the problem of the uncertain factors.
     通过阐述各类不确定性信息的特点,分别采用模糊集合论、灰色系统理论、证据理论以及盲数理论等,对电网规划中的模糊不确定性信息、灰色不确定性信息以及既具有模糊不确定性又具有灰色性的不确定性信息和同时具有多种不确定性的信息进行描述和处理。 着重讨论了模糊集合论和盲数理论处理电网规划中不确定性信息的可行性和优越性。
短句来源
     The concepts of grey probability, grey probability distribution, grey probability density, grey expectation and grey variance are defined based on the theory of probability and grey system approach. The method of grey\|stochastic risk for system risk analysis is established.
     本文基于概率论和灰色系统理论方法 ,定义了灰色概率、灰色概率分布、灰色概率密度、灰色期望及灰色方差等基本概念 ,针对系统的随机不确定性和灰色不确定性 ,建立了风险分析的灰色 -随机风险率方法 .
短句来源
     The concepts of grey probability, grey probability distribution, grey probability density, grey expectation and grey variance are applied based on the theory of probability and grey system approach. Directing towards stochastic and grey uncertainties of environmental system, a method for determining the level of non-sudden environmental risk is presented based on the concept of grey probability.
     以概率论和灰色系统理论方法为基础 ,利用灰色概率、灰色概率分布、灰色期望及灰色方差等基本概念 ,针对环境系统的随机不确定性和灰色不确定性 ,建立了基于灰色概率的非突发性环境风险度的量化方法 .
短句来源
     In this paper,an uncertainty optimization system model USMO-1 to permitted speed of NC processing in RPM was put forward,the method of precision inspection was introduced. The programming was authorized with MATLAB6.5 language.
     对快速原型制造中的数控加工容许速度进行了研究 ,运用泛灰色不确定性系统理论 ,建立了加工容许速度与加工半径的不确定性系统优化模型USMO— 1,给出了精度检验方法。
短句来源
     Based on uncertainty system with universal Grey mathematics,an uncertainty system model USM-1to fatigue limits prediction was put forward,the method of precision inspection was introduced.
     分析疲劳强度估计的现状后,运用泛灰色不确定性系统理论,建立了疲劳强度估算的不确定性系统模型USM-1,给出了精度检验方法。
短句来源
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The concepts of grey probability, grey probability distribution, grey probability density, grey expectation and grey variance are defined based on the theory of probability and grey system approach. The method of grey\|stochastic risk for system risk analysis is established. In this method, the uncertainty of system risk is attributed to grey uncertainty of system, the variables of system performance function are treated with grey probability distributions and the system hazard is quantified with grey\|stochastic...

The concepts of grey probability, grey probability distribution, grey probability density, grey expectation and grey variance are defined based on the theory of probability and grey system approach. The method of grey\|stochastic risk for system risk analysis is established. In this method, the uncertainty of system risk is attributed to grey uncertainty of system, the variables of system performance function are treated with grey probability distributions and the system hazard is quantified with grey\|stochastic risk. The grey\|stochastic risk can be transformed into ordinary stochastic risk and computed using advanced first\|order second\|moment method. An example of application is given.

本文基于概率论和灰色系统理论方法 ,定义了灰色概率、灰色概率分布、灰色概率密度、灰色期望及灰色方差等基本概念 ,针对系统的随机不确定性和灰色不确定性 ,建立了风险分析的灰色 -随机风险率方法 .在该方法中 ,作者将风险率的不确定性归因于系统的灰色不确定性 ,将系统性能函数变量的分布处理成灰色概率分布 ,并用灰色 -随机风险率来量化系统失效的风险性 .最后 ,将灰色 -随机风险率转换成一般的随机风险率 ,进而用改进一阶二矩法进行计算 .作为算例文中给出了该方法应用于嘉陵江苍溪段有机污染风险率的估算

The concepts of grey probability, grey probability distribution, grey probability density, grey expectation and grey variance are applied based on the theory of probability and grey system approach. Directing towards stochastic and grey uncertainties of environmental system, a method for determining the level of non-sudden environmental risk is presented based on the concept of grey probability. In this method, the non-sudden environmental risk is attributed to stochastic uncertainty and grey uncertainty of...

The concepts of grey probability, grey probability distribution, grey probability density, grey expectation and grey variance are applied based on the theory of probability and grey system approach. Directing towards stochastic and grey uncertainties of environmental system, a method for determining the level of non-sudden environmental risk is presented based on the concept of grey probability. In this method, the non-sudden environmental risk is attributed to stochastic uncertainty and grey uncertainty of environmental system. The variables influencing on environmental capacity and the consumption of environmental discharge are treated with grey probability distributions, and the non-sudden hazard of environmental system is quantified with the level of environmental risk expressed in the form of grey probability. The level of environmental risk can be transformed into ordinary probabilistic environmental risk and computed using advanced first-order second-moment method. An example of application for calculating the risks of organic pollute in the Cangxi reach of the Jialing River is given. The results can fully reflect and quantify the stochastic and grey uncertainties influencing on environmental quality.

以概率论和灰色系统理论方法为基础 ,利用灰色概率、灰色概率分布、灰色期望及灰色方差等基本概念 ,针对环境系统的随机不确定性和灰色不确定性 ,建立了基于灰色概率的非突发性环境风险度的量化方法 .将非突发性环境风险归因于环境系统的随机不确定性和灰色不确定性 ,将影响环境容量和环境负荷耗用量的变量的分布处理成灰色概率分布 ,并用具有灰色概率形式的环境风险度来量化环境系统的非突发性失效风险性 .最后 ,将具有灰色概率形式的环境风险度转化成一般的系统失效风险率 ,进而用改进一阶二矩法进行计算 .作为算例给出了该方法应用于嘉陵江苍溪段有机污染风险度的估算

The river water environment system is a system with many uncertainties. The risk assessment quantifying the influence of uncertainties on river water quality have been paid attention to widely. However, the most of research on risk assessment for river water quality confined to quantify stochastic uncertainty of the river water environmental system using the method of statistics. The research on quantifying the risk due to grey uncertainty of the river water environmental system is done less. Based on the...

The river water environment system is a system with many uncertainties. The risk assessment quantifying the influence of uncertainties on river water quality have been paid attention to widely. However, the most of research on risk assessment for river water quality confined to quantify stochastic uncertainty of the river water environmental system using the method of statistics. The research on quantifying the risk due to grey uncertainty of the river water environmental system is done less. Based on the theory of probability and grey system approach, the concepts of grey probability, grey probability distribution, grey probability density, grey expectation and grey variance are defined in this paper. The concept of grey stochastic risk for water quality concentrations exceeding the standard values is presented to quantify the influence of stochastic uncertainty and grey uncertainty on river water quality. The assessment models of grey stochastic risk for water quality concentrations exceeding the standard values are established. In the assessment model for the individual parameter, the contaminant concentration is modeled as a random variable with a grey probability distribution and the risk for contaminant concentration exceeding the standard value is expressed with grey probability-the grey stochastic risk for water quality concentrations exceeding the standard values. In the model of comprehensive assessment for multiple parameters, the river water environmental system is considered as the reliability system to undertake useful function, and the result that the concentration of anyone of water quality parameters exceeds the standard value shows that the useful function of river water environmental system cannot be guaranteed. Lastly, the comprehensive risks for water quality concentrations exceeding the standard values are computed by using the approach of reliability system. An example of application to evaluate the grey stochastic risks for heavy metals concentrations exceeding the standard values in the Yellow River at the Huayuankou section is given. The results provide more information and are satisfactory.

提出了量化影响河流水质的随机不确定性与灰色不确定性的水质超标灰色随机风险率概念 ,建立了水质超标灰色随机风险率评价模型。在水质单项参数评价模型中 ,将河流污染物浓度变量的分布处理成灰色概率分布 ,将污染物浓度超过水质类别标准值的风险率处理成灰色概率 ,即水质超标灰色随机风险率。在水质综合评价模型中 ,河流水环境系统被考虑为担任某一使用功能的可靠性系统 ,而任意一种水质参数超标意味着河流水体使用功能已不能得到应有的保证 ,也即表明水体综合评价超标 ,最后借鉴系统可靠性分析的理论和方法计算水质综合超标率。该方法应用于黄河花园口断面重金属污染风险评价。

 
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