基于GIS的环境噪声数据分析及图形化处理技术研究

发布时间：2018-01-13 08:02

本文关键词：基于GIS的环境噪声数据分析及图形化处理技术研究　出处：《东北石油大学》2015年硕士论文　论文类型：学位论文

【摘要】：环境噪声数据分析及图形化处理技术,在控制和治理噪声方面发挥着重要的作用。本课题环境噪声数据分析及三维图形化表征算法研究,它源于黑龙江省自然科学基金项目:“基于虚拟仪器技术分布式环境噪声自动监测方法研究”(项目编号:F201227)。主要任务是对系统各噪声监测点的数据进行采集、分类存储,然后按特征提取数据进行分析处理,最后进行噪声数据图形化再现。作为论文的基础研究内容,环境噪声数据分析与图形化表征理论基础,首先分析了ArcGIS平台中MapObjects和ArcGl S Engine开发工具及ArcObjects组件功能;其次,针对环境噪声数据分析理论基础,分析了环境噪声数据来源、阐述了ArcGIS中噪声数据库构建机理,选择了LabVIEW虚拟仿真验证平台;最后,针对环境噪声数据图形化表征方法,论述了建模方法、建模软件选择及SketchUp软件平台;作为论文的核心研究内容,环境噪声三维声场图形化表征算法构建,针对点声源三维声场衰减规律和声源定位典型算法研究的基础上,提出了点声源空间立面近场辐射算法构建机理及其数学描述关系,然后针对空间插值四种算法进行研究和优选;作为论文的主要研究内容,环境噪声图形化表征系统设计与实现,以ArcGIS为平台,针对噪声信息数据管理与查询,系统属性数据库的构建,通过噪声图形再现系统设计与实现,完成了三维噪声声场模型建立及色彩渲染;作为论文的实验内容,针对创新内容单一点声源声场对空间立面噪声近场辐射图形表征优化算法进行了仿真验证与误差分析,理论上4个监测节点以不等边四边形布设是一种优化模式。实验结果表明:四监测点非均匀布设优化算法能够实现近场噪声对单体立面辐射最大点的精准定位。
[Abstract]:Environmental noise data analysis and graphical processing technology play an important role in noise control and control. It originated from the Natural Science Foundation of Heilongjiang Province: "Research on distributed Environmental noise automatic Monitoring method based on Virtual instrument Technology" (item No.: F201227). The main task is to collect the data of the noise monitoring points of the system. Classification storage, then extract the data according to the characteristics for analysis and processing, and finally carry on the noise data graphical reproduction. As the basic research content of the paper, environmental noise data analysis and graphical representation theory foundation. Firstly, the development tools of MapObjects and ArcGl S Engine and the function of ArcObjects component in ArcGIS platform are analyzed. Secondly, according to the theoretical basis of environmental noise data analysis, the source of environmental noise data is analyzed, the construction mechanism of noise database in ArcGIS is expounded, and the LabVIEW virtual simulation verification platform is selected. Finally, aiming at the graphical representation method of environmental noise data, the modeling method, modeling software selection and SketchUp software platform are discussed. As the core research content of the thesis, the 3D acoustic field graphical representation algorithm of ambient noise is constructed, based on the research of the attenuation law of 3D sound field of point sound source and the typical algorithm of sound source location. The construction mechanism and mathematical description of the near field radiative algorithm for the vertical plane of point sound source are proposed, and then four spatial interpolation algorithms are studied and optimized. As the main research content of this paper, the design and implementation of the graphical representation system of environmental noise, based on ArcGIS, aiming at the noise information data management and query, the construction of the system attribute database. Through the design and implementation of the noise graphics reproduction system, the 3D noise sound field model and color rendering are completed. As the experimental content of the paper, the simulation and error analysis of the optimization algorithm for the spatial elevation noise near field radiation pattern representation are carried out for the single point sound source sound field of the innovative content. In theory, the four monitoring nodes are arranged in unequal quadrilateral, and the experimental results show that the non-uniform layout optimization algorithm of the four monitoring points can accurately locate the maximum radiation point of the single vertical surface by near-field noise.
【学位授予单位】：东北石油大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：X839.1

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