三维定位结题报告

机械工程与应用电子技术学院测试技术基础课程设计报告中文题目基于labview的声音定位系统英文题目LabVIEW-basedSoundSourceLocalizationSystemdesign姓名刘飞学号12010308同组成员郭宇新12010311指导老师刘增华成绩2015年10月11日2目录第一章绪论...........................................................................................................................51.1研究背景........................................................................................................................51.2研究意义........................................................................................................................51.3研究目标........................................................................................................................5第二章声源定位系统组成及工作原理.....................................................................................52.1声源定位系统组成.........................................................................................................52.2声源定位原理.................................................................................................................52.2.1广义互相关算法分析..............................................................................................62.2.2四元方阵的定位模型和定位算法............................................................................6第三章定位系统中的硬件设计................................................................................................73.1电路图的设计..................................................................................................................73.1.1提出问题.................................................................................................................73.1.2解决问题.................................................................................................................83.1.3电路图设计.............................................................................................................83.2电路图模拟与仿真..........................................................................................................93.2.1放大倍数验证..........................................................................................................93.2.2滤波效应验证..........................................................................................................93.3电路板的焊接与调试....................................................................................................103.3.1元器件的选取........................................................................................................103.3.2电路板焊接...........................................................................................................10第四章LabVIEW在声源定位系统中应用................................................................................114.1基于LabVIEW的前面板设计.........................................................................................114.2程序框图设计.................................................................................................................114.2.1信号采集.......................................................114.2.2信号处理.......................................................124.2.3声源位置的计算....................................................................................................124.3LabVIEW调试.............................................................................................................13第五章方案误差分析及优化改进...........................................................................................1335.1方案误差分析..................................................................................................................135.2方案优化改进...................................................................................................................144摘要声源定位技术有广泛的应用,可应用于可视电话、视频会议、监控系统、智能机器人、语音识别、地震研究、水下目标定位,压力容器的无损检测等.NI公司的图形化编程语言LabVIEW成为当今虚拟仪器开发最流行的一种语言。LabVIEW的最大特点是用图标代码来代替编程语言创建应用程序。LabVIEW有丰富的函数、工具包、软件包、数值分析、信号处理、设备驱动等功能,还有应用于专业领域的专业模块,解决了传统的虚拟仪器系统采用C、C++、汇编等语言存在的编程、调试过程繁琐、开发周期长、对编程人员要求高等问题,广泛地应用于航空、航天、电子、机械等众多领域。本文将重点介绍基于LabVIEW开发一个声源定位系统的设计。关键词：声源定位系统，咪头，labviewAbstractThetechnologyofsoundlocalizationiswidelyapplytovisualtelephone,videoconferencing,monitoringsystem,intelligentrobot,speechrecognition,theresearchofearthquake,targetlocalizationunderwater,nondestructivetestingofpressurevesselsandsoon.LabVIEWisinventedbyINcompanyhasbecomeoneofthemostpopularlanguageinexploitationofvirtualinstrument.ThemostimportantfeatureofLabVIEWisuseiconcodetoreplaceprogramminglanguagestocreatanapplication.LabVIEWhaverichfunctionalitysuchasfunction,toolkit，packages,numericalanalysis,signalprocessing,devicedriversandsoon,besides,italsoappliedtoprofessionalmoduleinareasofexpertise,solvetheproblemsoftraditionalvirtualinstrumentsystem,forexample,useClanguage,C++languageandassemblerlanguagemaketheprogressofprogramminganddebuggingcumbersome,thedevelopmentperiodissolong,sethighdemandforprogrammersandsoon,widelyapplytovariesmodulessuchasaviation,aerospace,electronics,machineryandsoon.ThisarticlewillemphaticintroduceonedesignaboutthesystemofsoundlocalizationwhichaccordingtotheLabVIEW.5第一章绪论1.1研究背景在当今时代，声源定位技术有着非常广泛的应用,如：可应用于可视电话、视频会议、监控系统、智能机器人、语音识别、地震研究、水下目标定位,压力容器的无损检