简介：本文重点介绍了地壳形变GPS点的选址、埋设及建设。说明了区域的自然地理特点和地震地质构造情况,选埋工作的实施情况以及对埋石和观测工作的建议等。

简介：监视任何结构的表演要求批评的点的位置的变化的即时大小。不同技术能被用于这个目的，一个出现优点和劣势。这种技术基于放系统(GPS，GLONASS和未来伽利略)的卫星似乎为长时期结构至少很有希望。GPS特别地提供能与高精确性追踪动态排水量的采样率。它的服务能力独立于大气的条件，温度变化和监视目标的可见性。这篇论文调查双频率GPS接收装置的大小的可靠性和精确性。一台线性电磁的马达沿着一个给定的方向移动一个目标。位置的变化与他们由GPS接收装置记录了的估计相比，其天线位于参考书目标。比较基于足够地长的记录。

简介：InthispaperthemethodofcombiningtheBursamodeltointegrateseveralregionaltimeseriestoderiveaunifiedglobaltimeseriesisintroducedindetail.Then,anexampletakenfromCMONOC(CrustalMovementObservationNetworkofChina)isusedtotestifthecombinationmethodisfeasible.Theprecisionoftheintegratedtimeserieswiththecombinationmethodisbelow2mm(North),3mm(East),thatissameastheresultsfromthedirectintegrationofthetimeseriesandtheprecisionofthebaselineisbelow6mm,whichprovesthatthecombinationmethodcanbeusedtointegrateseveralregionaltimeseriestoderiveaunifiedglobaltimeseries.

简介：介绍了利用公用移动网络来实现前兆观测数据的远程接收方案，并介绍了接收软件的开发及系统的配置。

简介：TheGlobalPositioningSystem(GPS)isanewmethodtomonitorthecrustaldeformationforearthquakeprediction.Nowafour-dimensionalcrustaldeformationmonitoringnetworkapplyingGPStechniqueshasbeenestablishedinNorthChina,whichisanimportantseismicmonitoringarea.Resultswithhighprecisionhavebeenachievedinthefirstmeasurementsinceaseriesofadvancedmethodsandmeasureswereadopted,andthusagoodfoundationhasbeenlaidforfutureresearchesonearthquakepredictionandgeodynamics.

简介：WesimulateGPShorizontalvelocityfieldintermsofrotationsofcrustalblockstodescribedeformationbehavioroftheChinesemainlandanditsneighboringareas.31crustalblocksareboundedprimarilyby~30Quaternaryfaultswithdistinctgeometriesandvariablelong-termratesof<20mm/a,and1683GPSvelocitiesweredeterminedfromdecade-longobservationsmostlywithanaverageduncertaintyof1?2mm/a.WedefineGPSvelocityatasitebythecombinationofmotionofrigidblockandelasticstraininducedbythefaultthatislockingduringaseismiccycle.ModelvelocitiespredictedfromthepreferableblockmodelmatchwellwiththeGPSvelocitiestoanuncertaintyof~1.7mm/a.Theslipratesinferredfromthismodelisinarangeof6?18mm/aforthemajorfaultsinTibetanditsmarginsand1?4mm/aineasternChina,consistentwithgeologicalobservations.Ournumericalsimulationsuggeststhatthecrustalblocksdeforminternallyatalevelof~10×10-9/a,quitesmallincomparisonwithsignificantdeformationlocalizedalongfaultzonesof50?100kmwide.Weconcludethatthepatternofcontinentaldeformationisnotcontinuous-likebutblock-like,andthetenetofplatetectonicsmaybeapplicabletocharacterizetheactivedeformationinAsia.

简介：Verticaltotalelectroncontent(VTEC)timeserieswereobtainedfrom22GPSstationsneartheepicenteroftheLushanearthquake.Inthispaper,wehaveadoptedaslidingaveragemethodtodetectandanalyzeanomalousVTECassociatedwiththeearthquake.Theresultsshowthatsignificant,negativeionosphereVTECanomaliesappearedoverthe5daysbeforetheearthquake,andonthedaywhenearthquakeoccurred.ThemaximumvalueofVTECanomaliesthatexceededthelowerboundreached20TECU.ThespatialdistributionofVTECanomaliesshowedaconjugatestructure,whichshiftedtothemagneticequator,andsubsequentlymovedwestwards.

简介：本文以福建省地壳运动观测网络为基础,简要说明在福建GPS基准网建设过程中项目的立项问题,并对省级GPS基准网的选址、基建、仪器选型与安装调试、数据处理等进行了说明。本文还对省级GPS基准网的应用需求和发展前景进行了阐述。

简介：为了适应高采样率、高分辨率、高精度的新型地磁仪器对磁偏角和磁倾角观测的需要，应用GPS测定了改造后的兰州地磁台的7个观测墩（一个临时观测墩）至2个方位标志的方位角，共取得了13个方位角参数，使兰州地磁台在地磁偏角测量或仪器验收比测中可供6套仪器同时观测，并可做到全天候观测。

简介：文章介绍了用ASHTECHZ-12CGRS双频GPS接收机建立厦门市城市控制网的实践,着重讨论了网的布设方案和平差过程,并进行了精度评价和分析,最后介绍了建立城市GPS控制网,提高其测量精度的体会。

简介：GPS应用已成为现代地震研究领域中的一个重要组成部分,已经深入到我国地震研究领域中的各个学科.本文介绍了GPS在形变、测震、电磁、地震预警和地震观测仪器授时中的应用现状,并对GPS在地震研究中应用的发展趋势进行了展望.

简介：为监测北东和北西向断裂带的活动性以及水口库区因蓄水所诱发的地壳形变,而在福建沿海建立的由12个测点组成的GPS监测网,迄今为止,进行了2次联测,一次在1995年,一次在1997年。本文对这2次的观测概况、数据处理以及精度分析作了较详细的介绍,并对福建沿海地壳水平位移场特征及其动力学机制进行了探讨。

简介：利用福建地壳形变GPS基准台选台过程中,在4个站址上得到的24h连续观测数据,计算并分析了各站址背景噪声信噪比,认为福州、南平、泉州、龙岩所选点址适宜建站,并提出背景噪声信噪比计算结果可用于评价仪器性能和站址安静程度,反映台网的监控能力,为观测台网的建设提供参考依据

简介：随着GPS观测及数据处理技术的发展,GPS定位技术在地球动力学方面的应用越来广泛,本文介绍国内外利用GPS定位技术在地球动力学方面的应用现状,着重介绍了GPS精密定位技术在福建地壳形变监测方面的应用现状和取得的初步成果。

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简介：ThefaultzonealongthenorthernmarginofWestQinlingRangeisamajoractivefaultzoneinthekeyseismicmonitoringareainthesoutheasternpartofGansuProvince.Inordertostudythecurrentactivitycharacteristicsofthisfault,GPSmonitoringnetworkhasbeenarrangedalongbothsidesofthefaultand3measurementshavebeenmadefrom1996to1998.Theresultindicatesthatobviousdifferentialmovementexistsalongthenorthandsouthsidesofthefaultandtheeastwardmovementonthesouthsideis3.8mm/alargerthanthatonthenorthside.IntheGPSnetwork,theshortenedsideisgenerallyinthetrendofEWandtheextendedsideisbasicallyNWtoSE.TheprincipalcompressionalstresstrendinthisareaisaboutEWandthesinistralmotionisobviousintheeasternpartofthefault(nearWushan).Themeasuredresultsalsoindicatethatthedisplacementratehasdecreasedby50%andthecompressionalstrainhasincreasedby100%ascomparedthedataof1997～1998withthoseof1996～1997,whichshowst

简介：Inordertostudythecharacteristicsofcrustaldeformationaroundtheepicenterbeforethe2016M_S6.4Menyuanearthquake,theGPScontinuousstationsoftheperiodfrom2010to2016wereselectedaccordingtotheobservationdataofthetectonicenvironmentmonitoringnetworkinChineseMainland.Thedeformationcharacteristicsofthecrustbeforetheearthquakewerediscussedthroughinter-stationbaselinetimeseriesanalysisandthestraintimeseriesanalysisintheepicentralregion.Theresultsshowthatatrendturnofthebaselinemovementstatearoundtheepicenterregionoccurredafter2014,andthemovementafter2014reflectsanobviousdecreasingtrendofcompressionaldeformation.Duringthisperiod,thestressfieldenergywasinacertainaccumulationstate.Sincethebeginningof2014,theEW-componentlinearstrainandsurfacestrainrateweakenedgraduallybeforetheearthquake.Itshowsthattherewasanobviousdeformationdeficitattheepicentralareainthepasttwoyears,whichindicatesthattheregionaccumulatedahighdegreeofstrainenergybeforetheearthquake.Therefore,therewasasignificantbackgroundchangeintheareabeforetheearthquake.Theresultsofthestudycanprovidebasicresearchdataforunderstandingtheseismogenicprocessandmechanismofthisearthquake.

简介：TheHori’sinversemethodbasedonspectraldecompositionwasappliedtoestimatecoseismicslipdistributionontheruptureplaneofthe14November2001MS8.1KunlunearthquakebasedonGPSsurveyresults.TheinversionresultshowsthatthesixslidingmodelscanbeconstrainedbythecoseismicGPSdata.Theestablishedslipsmainlyconcentratedalongtheeasternsegmentofthefaultrupture,andthemaximummagnitudeisabout7m.Slipontheeasternsegmentofthefaultrupturerepresentsaspurelyleft-lateralstrike-slip.Sliponthewesternsegmentoftheseismicrupturerepresentsasmainlydip-slipwiththemaximumdip-slipabout1m.Totalpredictedscalarseismicmomentis5.196×1020N?m.Ourresultsconstrainedbygeodeticdataareconsistentwithseismologicalresults.

简介：本文简述了GPS测量技术,重点介绍了福建地壳形变GPS观测网利用GPS定位技术在地壳形变监测方面及其在地球动力学方面的应用,并取得了有重要意义的科学成果。

简介：利用1999～2001年中国大陆GPS最优综合观测解资料,借助改进的负位错模型,研究南北地震带及其邻近区域活动块体与其边界断裂的构造变形特征,获取高应力应变积累的闭锁区段及可能与强震孕育有关的背景信息.分析表明:祁连山断裂带与海原断裂和日月山断裂交汇区、日月山断裂南段与拉脊山断裂、宗务隆山-西秦岭北缘断裂交汇部位;盐源-丽江地块及NE向延伸至川滇交界的安宁河、则木河断裂交汇区及其临近区域;鲜水河至安宁河断裂北段以及与龙门山断裂交汇部位、滇西南边界的永德龙陵-澜沧-勐遮断裂及其北段与怒江断裂交汇区域可能具有高应变能积累背景.而阿尔金断裂中段、海原断裂东段、库玛断裂东端、红河断裂中东段与元谋-绿汁江断裂及小江断裂的交汇区域也可能存在一定程度的应变积累背景.