基于概念格的PM10浓度月变化特征研究

来源 :第十三届中国不确定系统年会暨第九届中国智能计算大会 | 被引量 : 0次 | 上传用户:lrdw149
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
本文利用形式概念分析中概念格的层次化表示方法,给出了PM10浓度的月变化特征的概念格表示,分析了PM10浓度的月变化特征的成因.
其他文献
Uncertainty theory provides a new tool to deal whit the indeterministic factors.The purpose of this paper is to study the maximum flow problem of uncertain network with respect to uncertain loss by us
Consider an (R, Q) replenishment policy in a continuous review inventory systems, where the leadtime for orders is assumed to be uncertain variable instead of random variable, because some unpredictab
In order to rationally address imprecise quantities represented by human language behaving neither like randomness nor like fuzziness, the uncertainty theory was founded by Liu in 2007 and subsequentl
Data clustering analysis is a process classifying a set of data in such a way that data in the same group should be as similar as possible.In crisp clustering, data are grouped into distinct clusters,
建立了以到期利润率、风险损失率为不确定变量的情况下利润最大化和风险最小化的不确定目标规划模型,即不确定环境下期望值目标规划模型和机会约束目标规划模型. 为能简便快速的求解不确定模型,把不确定规划模型转化为其清晰等价形式. 最后通过一个数值例子来说明用不确定规划解决不确定投资问题的有效性.
Nowadays, global economy has raised fierce international market competition and rapid technological change, especially in traditional tangible products made by manufacturing enterprises.For the sake o
考虑低碳经济中碳排放对环境的影响,基于不确定理论,建立了考虑碳排放的不确定需求车辆调度模型.针对模型中的不确定测度的计算,分析了不确定变量为特殊和一般情况时求解模型的方法,并给出了当不确定变量为一般情况时求解模型的混合遗传算法.最后通过数值算例来验证模型和算法的有效性,并讨论了企业不同碳排放偏好对最优解的影响,为企业决策提供依据.
The minimum spanning tree problemis to find a tree that connects all the vertices in a graph with the minimum total weight.It is one of the mosttypical problems in combinatorial optimization and has m
Smart grid has been become a new type of electrical power system.This new system structure physically focuses on expansive capabilities of network operations to coordinate distributed energy resources
本文旨在介绍一种新的、系统的风险分析方法——风险元传递理论.首先,综述了风险管理的历史和研究的趋势,并列出了风险元传递理论提出的必然性;接着详细描述了风险元传递理论研究的主要内容,包括路径、方法、链路和应用四个维度;最后展望了风险元传递理论的应用前景.本文对风险元传递理论的研究成果进行了梳理,将有助于广大专家学者全面了解风险元传递理论.