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毕业论文（设计）题目：基于单片机的GPS定位系统的设计系部名称：**********专业班级：***********学生姓名：赵月方学号：************指导教师：******教师职称：讲师2013年5月27日摘要GPS技术在军事、通讯、气象、勘探、导航、遥感、大地测量、地球动力以及天文等众多学科领域得到极其广泛的应用，推动了科学技术的迅猛发展，也丰富了人类的科学文化生活。现在，GPS的外型设计已经转向便携式发展，逐步踏入寻常百姓的生活中。所以，对GPS的研究具有十分重要的意义。本文主要研究GPS的定位原理与技术，单片机的编程及其应用，液晶屏的功能及其实现方法，语音系统及其功能应用。制作了一套设计方案，以软、硬件相结合的方式完成整个GPS数据接收和显示以及播音的过程。本课题采用GPS模块SFIR3、单片机AT89C52、液晶显示屏LCD1602、语音芯片WT588设计一款可以实时显示当前所在位置的纬度、经度等信息，并且可以语音报告当前经纬度，并且设定了至少5个地点地址，在这5个地址的范围内可以语音报告所在地址，并且显示相应的代码，通过设计，编程，调试，该定位语音系统工作正常，可以满足基本的课题要求。关键字：单片机,语音芯片,GPS定位,卫星,导航,定位ITheLocationofGPSDesignSystemBasedonMCUAbstractGPStechnologyisinthemilitaryaffairs,suchnumerousdisciplinesdomainsascommunication,meteorologicalphenomena,exploring,navigating,remotesensing,earthmeasurement,theearthmotiveforceandastronomy,etc.getextremelyextensiveapplication,havepromotedtheswiftandviolentdevelopmentofscienceandtechnology,theabundantandhumanevenscientificculturelife.Now,theappearanceofGPSisdesignedandalreadyturnedtoportabledevelopment,stepsfootoncommonpeople'slifeprogressively.SoitisveryimportantforresearchingofGPS.ThispaperstudiestheprincipleandtechnologyofGPSpositioning,microcontrollerprogramminganditsapplication,thefunctionoftheLCDpanelanditsrealizationmethods,voicesystemanditsfunctionapplications.ProducedadesignschemeofsoftwareandhardwareinthewayofthecombinationofthecompletethewholeGPSdatareceivinganddisplay,andtheprocessofthebroadcast.ThissubjectadoptsGPSmoduleSFIR3,monolithicintegratedcircuitAT89C52,LCDdisplayscreenLCD1602,voicechipWT588designacanreal-timedisplaycurrentlocationoflatitude,longitudeandotherinformation,andcanreportthespeechcoordinates,andsetatleastfivesiteaddress,inthefiveaddresswithinthescopeofthespeechinaddresscanreport,andtoshowthecorrespondingcode,throughthedesign,programming,commissioning,thepositioningphoneticsystemworkingproperly,cansatisfythebasicsubjectrequirements.Keyword:SinglechipmicrocomputerVoicechipGPSpositioningSatelliteNavigationOrientationII目录1引言........................................................................................................................................................................12方案选择................................................................................................................................................................22.1方案一.........................................................................................................................................................22.2方案二.........................................................................................................................................................33硬件设计................................................................................................................................................................53.1系统总体结构图........................................................................................................................................53.2单片机引脚连接电路................................................................................................................................63.2.1AT89C52简介.........................................................................................................................63.2.2GPS模块SIRF3简介...............................................................................................................73.3LCD显示电路...........................................................................................................................................83.3.1LCD1602简介.........................................................................................................................83.4WT588语音电路.....................................................................................................................................103.5LM7805稳压电路...................................................................................................................................124软件设计.............................................................................................................................................................144.1程序流程图..............................................................................................................................................144.2单片机串行通信......................................................................................................................................154.3GPS接收语句设计.................................................................................................................................164.4LCD1602流程图.....................................................................................................................................194.5WT588流程图.........................................................................................................................................215系统调试..............................................................................................................................................................245.1单片机下载口调试..........