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1、研究生课程考核试卷科目:专业外语教师:姓名:学号:20140802054专业:微电子学与固体电子学类别:学术上课时间:2014年10月至2014年12月考生成绩:卷面成绩平时成绩课程综合成绩阅卷评语:阅卷教师(签名)TheSearchofEarthquakeEarlyWarningandVibrationPickingDeviceBasedonMEMSLaibaoYu,ZhigaoChen,XiongweiWu,HanLv(KeyLaboratoryofEarthquakeGeodesy,InstituteofSeismology,CEA,Wuhan430071)(
2、WuhanBaseofInstituteofCrustalDynamics,CEA,Wuhan430071)Abstract:AsetofearthquakeearlywarningandvibrationpickingdevicebasedontheMEMStechnologywasdesigned.ThedevicewastestedbyusingGSK-166vibrationtableandcomparedwithstandardsensorAC43throughthemetrologicalverification,andthe resultsshowed
3、thattheperformanceparametersofthedevice meettherequirementsofearthquakeearlywarningsystembasically.KeyWords:MEMStechnology,earthquakeearlywarning,vibrationpickingdevice1IntroductionPhysicsoftheearthisasciencebasedonobservationandmeasurement,seismologyhasarapiddevelopmentsincetheinstrum
4、enthaveemergedandthemethodbasedontheinstrumentobservationwasestablished.Afterthedevelopmentofseveralgenerations,seismometerhavedevelopedfromtherecordbymagnifyingsmokeusinginitialmechanicallevertomeasurementIntegratedelectronictechnologyandcomputertechnology,improvedthefrequencybandrang
5、eanddetectingprecisionsubstantially,anditmaketheseismologicalresearchanddevelopmententeranewstage.Withtheresearchanddevelopmenttoseismologyscienceandrequirementofspacedetectiontothemoonandthemars,combiningwithdevelopmentofthemodernelectronicandcomputertechnology,modernseismicsensorsnee
6、dtodeveloptowardslowpowerconsumption,miniaturization,chip,lowcostandhighreliability,andbeabletogetfullbandobservationandmeasurement.Modernmeasurementinstrumentbasedonmechanicalhammerhavesomeadvantagessuchashighlowresolution,largedynamicrange,butshowthedeficienciesintheapplication.Micro
7、ElectronicMechanicalSystemisbasedontheintegratedcircuittechnologyandmicromechanicalprocess,andthenintegratethemechanicalcomponents,opticalsystem,drivercomponents,electroniccontrolsystemasawholeunit,hassmallvolume,lightweight,smallconsumption,lowcost,easytointegrateandstrongoverloadca