D_InSAR技术在城市轨道交通变形监测领域的应用_刘运明

doi10．3969/j．issn．1672-6073．2014．04．015·27420148D－InSAＲ11121．1001012．100037D-InSAＲ、、、、。SBAS-DInSAＲ6D-InSAＲ。D-InSAＲ。D-InSAＲSBAS-DInSAＲP225U231．1A1672-6073201404-0062-051。、、、[e-mail]、。。。、12、、、、。、、。GPS、、、。、、、。1D-InSAＲGPS、。1D-InSAＲ、、、、、、、26D－InSAＲ1D-InSAＲGPS、GPSD-InSAＲ、、、、、、、、、。。6D-InSAＲD-InSAＲ。2D-InSAＲD-InSAＲtopo、flat、atm。20D-InSAＲ41D-InSAＲ“”、“”、“”2PS、StaMPS、IPTA、STUN3SBAS、CPTA4PSSBASESD。D-InSAＲ。SBAS-DInSAＲD-InSAＲ。SBAS-DInSAＲ、。SBASSAＲ。SAＲSAＲ。。。。。SBAS-DInSAＲ1。1SBAS-DInSAＲt0…tnNSAＲMN/2≤M≤NN－1/2。tA、tBSAＲjtB＞tAxΔφjx≈tBx－tAx=4πλdtBx－dtAx1λSAＲdtBxdtAxt0LOSdt0x=0tBxtAxdtBxdtAxNA=Δ2NSAＲΔMAM×N136·27420148261SAＲ+1－10。M≥NAN=A#ΔA#=ATA－1AT33DEM、。1SAＲ。ATA。LAN－L+1N≤M。SBASSVD。AM×NA=USVT4UM×NAATu1VN×NATAViSM×NAATλi。M＞NAＲAATＲM－Ｒ0。AA+A+=∑Ｒi=11λ槡iviui5^=A+δ。、。36、、、、29km19—2。620083—4。120094—56。6。32008—20096。32008—2009526ENVISATSAＲSＲTM490mDEM116°10'32.6″～116°47'14.5″39°40'31.5″～40°07'55.8″20036—20108。SBAS-DInSAＲSBAS2007—2008、2008—20092007—200964～6。4SBAS-DInSAＲ2007—2008SBAS-DInSAＲSBAS-DInSAＲ27。46D－InSAＲ5SBAS-DInSAＲ2008—20096SBAS-DInSAＲ2007—200922008—2009SBAS-DInSAＲmmSBAS-DInSAＲ－2.7－2.90.2－0.7－0.3－0.3－3.0－0.6－2.4－2.71.5－4.2－3.32.2－5.5－3.32.4－5.8－0.74.1－4.80.72.6－1.9－0.73.8－4.5－0.36.2－6.6－0.38.5－8.82.03.9－1.9－2.30.3－2.6－18.0－13.6－4.4－32.0－28.0－4.0－100.0－84.9－15.1－85.0－87.32.3－62.0－55.9－6.1－79.3－87.58.127－15.1mm。6372008—2009SBAS-DInSAＲENVISATASAＲ30mSAＲSBAS-DInSAＲ。4、。D-InSAＲ、GPSSBAS-DInSAＲSBAS-DInSAＲ61D-InSAＲSBAS-DInSAＲ2ENVISATASAＲ6ＲADAＲSAT-2、TerraSAＲ-XCOSMO-SkyMed1、3、5m3D-InSAＲD-InSAＲ。1.PSInSAＲD.2009.2.D-InSAＲD.2008.56·274201483.InSAＲD.2010.4..SBAS-InSAＲJ.20102282-895.SBAS_InSAＲD.2012.6.InSAＲD.2011.7.SBAS-InSAＲD.2011.8CasuF.ThesmallBaselinesubsettechniqueperformanceassessmentandnewdevelopmentsforsurfacedeformationanalysisofveryextendedareasD.200952-55.9BerardinoPFornaroGLanariＲSANSOSTIE.AnewalgorithmforsurfacedeformationmonitoringbasedonsmallbaselinedifferentialSAＲinterferogramsIEEETransactJ.GeoscienceandＲemoteSensing200240112375-2383.10LＲiccardoCFrancescoMMariarosariaetcAnoverviewofthesmallbaselinesubsetalgorithmADInSAＲtechniqueforsurfacedeformationanalysispureandappliedgeophysicsJ．PureApplGeophys.2007164637-661.D-InSAＲTechnologyAppliedintheFieldofDeformationMonitoringinUrbanＲailTransitLiuYunming1MaQuanming1ChenDayong1XuYuming21．BeijingUrbanConstructionExploration＆SurveyingInstituteBeijing1001012．BeijingMTＲConstructionAdministrationCorporationBeijing100037AbstractD-InSARtechnologyisanewtypeofspacegeodetictechniques,characterizedbyitsall-day,all-weather,andwiderangeobservationabilitytoobtainhigh-precision,high-resolution,andlarge-scalesurfacedeformationwithoutrequiringgroundcontrolpoints.Therefore,D-InSARtechnologywasintroducedintourbanrailtransitfordeformationmonitoring.ExperimentofusingSBAS-DInSARtechnologyandprecisionlevelingtechnologywascarriedouttomonitorthegroundsubsidencealongBeijingmetroline6;thecomparisonshowsthatthetestdataofD-InSARisinaccordancewiththedatatestbyprecisiontechnology.SpecificengineeringapplicationsofD-InSARtechnologyinthedeformationmonitoringofurbanrailtransitprojectswerediscussed.ItisfeasibletoapplyD-InSARtechnologyfordeformationmonitoringinurbanrailtransit.Keywordsurbanrailtransit;differentialInSAR;SmallBaselineSubsetDifferentialInSAR;deformationmonitoring;715。3。200m。20161。、。·16。http//news．xinhuanet．com/world2014-07-1637110。。72、、、、、。。http//．jt．dl．gov．cn2014-07-0313771313。、、、。、。、“”。。http//．ccmetro．com2014-07-0766