基于高频GPS和强震仪观测实时监测地表形变 作者:涂锐 著 出版时间:2017年版 内容简介 涂锐著的《基于高频GPS和强震仪观测实时监测地表形变(英文版)》系统地介绍了GPS和强震仪数据融合处理的基本原理和算法模型,主要包括松组合模型、紧组合模型、自适应组合模型、改进的松组合模型、改进的紧组合模型、组合处理中关键技术问题、 基线漂移与地表倾斜的关系以及各传感器观测的特点分析等。对GPS测速增强解算和基于联网模式的强震仪基线漂移校正也进行了分析介绍。 本书可供从事G**灾害*测预警方面的科研、生 产人员参考,也可作为高等学校大地测量与地球物理专业的教材使用。 目录 Chapter1Introduction 1.1Scientificbackground 1.1.1GPSsolutionapproaches 1.1.2Strong-motiondatasolutionapproaches 1.1.3IntegrationofGPSandaccelerometerobservations 1.2Aimsandobjectives 1.2.1Augmentationapproach 1.2.2Integrationapproach 1.2.3Adaptiveapproach 1.2.4Thekeyissuesaboutintegration 1.2.5Therelationshipbetweenbaselineshiftandgroundtiling 1.3Organizationofthebook Chapter2Real-timemonitoringthegroundmotionusingGPSwithrealtimecorrections 2.1Introduction 2.2Methodology 2.2.1Thevelocitydeterminationmodelbasedonbroadcastephemeris 2.2.2Extractingcorrectionsfromthereferencestation 2.2.3Thevelocitydeterminationmodelbasedonreferencestationcorrection 2.2.4Retrievethefinaltruevelocityanddisplacement 2.2.5Thedataprocessingflowoftheaugmentationapproach 2.3Experimentanalysis 2.3.1ComparisonofdisplacementandvelocitybetweenGPSandstrong-motionsensor 2.3.2Comparisonofdisplacementandvelocityresultsbetweendifferentsampleratedata 2.3.3ComparisonofGPSresultsbetweenthesinglestationmethodandaugmentationmethod 2.3.4Comparisonoftheobservationresidualsandinitialtrenddriftcorrection 2.4Conclusion Chapter3Applicationofanet-basedbaselinecorrectionschemeto strong-motionrecordsofthe2011Mw9.0Tohoku earthquake 3.1Introduction 3.2Methodology 3.2.1Selectionofreferencerecords 3.2.2Net-basedcorrectionontargetrecords 3.2.3Detectionofoutlierrecords 3.3Applicationtostrong-motiondataforthe2011Mw9.0Tohokuearthquake 3.3.1Data 3.3.2Selectedreferencerecords 3.3.3Augmentedtargetrecords 3.3.4Outlierrecords 3.3.5Improvementsoverthepreviousempiricalapproaches 3.4Conclusionanddiscussion Chapter4Cost-effectivemonitoringofgroundmotionrelatedto earthquakes,landslidesorvolcanicactivitybyjointuse ofasingle-frequencyGPSandaMEMSaccelerometer 4.1Introduction 4.2Method 4.3Outdoorexperiments 4.4Discussionandconclusions Chapter5Anewalgorithmfortightintegrationofreal-timeGPS andstrong-motionrecords,demonstratedonsimulated, experimentalandrealseismicdata 5.1Introduction 5.2Mathematicalmodel 5.3AnewapproachtocombineGPSandseismicaccelerometerdata 5.4Validationandanalysis 5.4.1Simulateddataset 5.4.2ExperimentalTest 5.4.3Applicationtoarealearthquake:E1Mayor-CucapahMw7.2,2010 5.5Summaryanddiscussion Chapter6Adaptiverecognitionandcorrectionofbaselineshiftsfrom collocatedGPSandaccelerometerusingtwophasesKalman filter 6.1Introduction 6.2Methodology 6.2.1ThemodelfortightintegrationofGPSandstrong-motionmeasurements 6.2.2Theadaptiverecognitionofbaselineshiftsinstrong-motionrecords 6.2.3Theimplementationprocess 6.3Validation 6.3.1Experimentaltestusingashakingtable 6.3.2Applicationtoarealearthquake:2011Mw9.0Tohokuearthquake 6.4Conclusion Chapter7AnimprovedlooseintegrationmethodofcoseismiewavesretrievingfromcollocatedGPSandaccelerometer 7.1Introduction 7.2Overviewofthetraditionallooseintegrationmethod 7.3Theimprovedlooseintegrationmethod 7.4Validationandanalysis 7.5Conclusion Chapter8AnimprovedmethodfortightintegrationofGPSandstrong-motionrecords:complementaryadvantages 8.1Introduction 8.2Methodology 8.2.1UsingGPStoestimatebaselineshiftsforthestrong-motionsensor 8.2.2UsingaccelerationtoconstrainGPSsolutionandambiguity-resolution 8.2.3Theimplementationprocessofthemethod 8.3Validations 8.3.1Analysisofthebaselineshift 8.3.2Analysisofthedisplacementtimeseries 8.3.3Analysisofthezenithtroposphericdelay 8.3.4Analysisofthewaveforms 8.4Conclusionsanddiscussions Chapter9ThestudyofkeyissuesaboutintegrationofGNSSand strong-motionrecordsforreal-timeearthquake monitoring 9.1Introduction 9.2MethodandData 9.3Validationandanalysis 9.3.1Coordinatesystem 9.3.2GNSSsamplingrate 9.3.3Theconstrainofthedynamicnoises 9.3.4GNSSdataquality 9.3.5Convergencespeed 9.3.6Ambiguityresolution 9.4Conclusionsanddiscussions Chapter10Thestudyofbaselineshifterrorinstrong-motionandgroundtiltingduringco-seismicperiodbasedonGPSobservations 10.1Introduction 10.2Extractingstrong-motionbaselineshiftbasedonGPSobservation 10.3ExtractingofgroundtiltinginformationbasedonGPSobservation 10.4Validationandanalysis 10.4.1Experimentintroductionanddataprocessing 10.4.2Resultanalysis 10.4.3Acasestudyoftheearthquakeevent:2011Mw9.0Tohoku-Okiearthquake 10.5Conclusion Chapter11Comparisonofhigh-rateGPS,strong-motionrecordsand theirjointuseforearthquakemonitoring:aeasestudyof the2011nw9.0Tohokuearthquake 11.1Introduction 11.2Datasetsandprocessingapproaches 11.2.1Datadescription 11.2.2Processingapproaches 11.3Resultsandanalysis 11.3.1Comparisonofhorizontalco-seismicmovement 11.3.2Comparisonintime-frequencydomainofthedisplacementtimeseries 11.3.3Comparisonofvelocitywaveforms 11.3.4ComparisonofPwavedetection 11.4Conclusionsanddiscussions Chapter12Synthesis 12.1Conclusions 12.1.1GPSvelocityestimationaugmentationapproach 12.1.2Strong-motionnet-basedaugmentationapproach 12.1.3LooseintegrationofGPSandstrong-motionobservations 12.1.4TightintegrationofGPSandstrong-motionobservations 12.1.5AdaptiveintegrationofGPSandstrong-motionobservations 12.1.6ImprovedlooseintegrationofGPSandstrong-motionobservations 12.1.7ImprovedtightintegrationofGPSandstrong-motionobservations 12.1.8KeyissuesofintegrationofGPSandstrong-motionobservations 12.1.9Relationshipbetweenbaselineshiftsandgroundtilting 12.1.10Comparisonofdifferentsensorsforearthquakemonitoringandearlywarning 12.2Outlook 12.2.1Studytheearthquakeearlywarningmodel 12.2.2Studytheintegrationofmulti-sensoranddataqualitycontrol 12.2.3Developanewsensorandreal-timeapplicationsystem Acronymsandabbreviations References
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