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1、GPS_RTK_在数字地形图测绘中的应用论文本科学生毕业论文GPSRTK在数字地形图测绘中的应用摘要全球定位系统全面建成和发展使导航和测绘行业发生了一场重大深刻技术革命GPS测量技术用于生产作业,其作业模式从静态测量、快速静态测量、后处理高精度动态测量、发展到动态初始化(OTF)厘米级实时RTK测量作业RTK技术是GPS定位技术的一个新的里程碑它不仅具有GPS技术的所有优点而且可以实时获得观测结果及精度,大大地提高了作业效率,并开拓了GPS新的应用领域,给测绘工作者带来了极大的方便。本文介绍了GPSRTK的发展历史、发展前景以及工作原理,并对徕卡GPS
2、RTK在测量中的工作模式、数据链的结构、技术特点、作业步骤、点校正方法以及影响RTK成果精度因素等方面进行了讨论,同时进一步讨论了GPSRTK在数字地形图测绘应用中的控制测量、碎测量等方面的应用。用双基站比较法进行精度分析研究出减小误差提高精度的方法.最后,通过具体工程实例证实了GPSRTK技术能大大提高工作效率、减轻劳动强度、成果质量可靠等优点。关键词:GPSRTK图根控制测量数字测图原理精度分析ABSTRACTTheglobalpositioningsystemGPScomprehensivelycompleteswiththedevelopmen
3、t,causedthenavigationandthemappingprofessionhashadasignificantprofoundtechnologicalrevolution.TheGPSsurveytechnologyusesintoproducethework,itsworkpatternfromthestaticsurvey,thefaststaticsurvey,thepost-processinghighaccuracydynamicsurvey,developstothedynamicinitializationOTFthece
4、ntimeterlevelreal-timeRTKsurveywork.TheRTKtechnologyisaGPSlocalizationtechnologynewmilestone,itnotonlyhastheGPStechnologyallmerits,moreovermayreal-timeobtaintheobservationresultandtheprecision,greatlyenhancedtheworkefficiency,andhasdevelopedtheGPSnewapplicationdomain,forsurveyed
5、anddrewtheworkertobringenormousconvenient.ThisarticleintroducedGPSRTKthedevelopmenthistory,theprospectsfordevelopmentaswellastheprincipleofwork,andtoLeicafrequencyGPSRTKinthesurveyworkingpattern,thedatachainstructure,thetechnicalcharacteristic,GPSRTKtheworkstep,andsoonRTKachieve
6、mentprecisionfactorhascarriedonthediscussion,simultaneouslyfurtherdiscussedGPSRTKintheapplicationofdigitalterrainmappingofthecontrolsurveyandsoontheaspectapplication.comparedwithtwo-baseprecisionanalysismethoddevelopedtoreducetheerrortoimprovetheaccuracyofthemethodprovedGPSthrou
7、ghtheconcreteprojectexampleRTKthetechnologytobeablegreatlytoenhancetheworkingefficiency,toreducethelaborintensity,theachievementqualityisreliableandsoonthemerit.Keyword:GPSRTK;MappingControlSurvey;LayOut;DigitalMapping;Principle;AccuracyAnalysis目录摘要IAbstractII第1章绪论11.1论文的目的和意义11
8、.2论文相关的研究现状21.3论文的主要内容2第2章RTK测图原理32.1全球定位技术的发展现