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ID:36561983
大小:3.34 MB
页数:65页
时间:2019-05-12
《GPS数据处理及其在地壳运动监测中的应用》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、中国地震局分析预报中心硕士学位论文GPS数据处理及其在地壳运动监测中的应用姓名:王武星申请学位级别:硕士专业:固体地球物理指导教师:顾国华2003.6.18中国地麓局分祈预报中心硕士论文摘要AbstractDuringtheperiodofpreparationandoccnrre“flCeofearthquakes,thecrustaroundtheepicenterswillmoveanddeformwithgh粼accumulation.concentrationandintensification.W
2、氇thedevelopmentoftheGPS
3、technologyinGeodesBthemonitoringofthecrustalmovementwithGPShasbecomeaveryimportantapproachtoearthquakeprediction.1抽eCrustalMovementObservationNetworkofChina(CMONOc)callproviderealtimeGPSobservationdataofthecrustalmovementinChinesemainlandwitll“ghaccuracy.Sotheresearchontheprocesso
4、fpreparationandcharacteristicsofstrongearthquakeswithcrustalmovementdataisaveryimlx>rtantaspectofresearchinearthquakeprediction,TheKunlunmountainearthquakewithM8。lonNovember14,2001isagoodearthquakecasefortheresearchoftherelationshipbetweencrustalmovementandstrongearthquakes.Theres
5、earchworkinthispaperisfocused011followingaspect:(1)Thetheory,inadditiontothenewdevelopmentandapplicationintheresearchofearthscience,especiallyincrustalmovementmonitoring,isbriefed.ThentheproblemsandapproachesinthedataprocessingofGpSmonitoringnetworka∞discussed,(2)11leGPSorbitsared
6、eterminedonly稍mthefiducialstationsofCMONOC.Thentheaccuracyofthedeterminedorbitsandtheinfluenceoftbestationselectionareanalyzed.(3)Theselectionofdatumdefinitionsfordisplacement,suitableforearthquakepredictionisdiscussed.Thenthecrustalmovementandtimeseriesofdisplacementsatstationsof
7、continuousobservation撖CMONOCm曲rained.Thentherelationshipbetwinthevariationsindisplacementsandthesla'ongearthquakesisdiscussed.Inordertoanalyzethevariationcharacteristicofthetimeseriesinsomearl%lsandtheperiodicaleharacteristicofthetimeseriesduringthewholeperiod,thewavelettransforma
8、tionisintroduced.拍econclusionsofthisthesis锄asfollows:(1)TheGPSorbitsaredeterminedonlywiththeobservationfromfi如cialstationsinCMONOC.Comparedwiththepreciseorbit,theaccuracyoftheorbitsdeterminationislessthan0.4m.Aftermanyseriesdataofcombinationgroupselectedfrom25fiducialstationsarepr
9、ocessedforthedeterminationoftheor
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