研究生课程考核试卷
科目：专业外语教师：陈刚
姓名：张洪江学号：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)
TheSearchofEarthquakeEarlyWarningandVibrationPickingDeviceBasedonMEMS
LaibaoYu,ZhigaoChen,XiongweiWu,HanLv
(KeyLaboratoryofEarthquakeGeodesy,InstituteofSeismology,CEA,Wuhan430071)
(WuhanBaseofInstituteofCrustalDynamics,CEA,Wuhan430071)
Abstract:AsetofearthquakeearlywarningandvibrationpickingdevicebasedontheMEMStechnologywasdesigned.ThedevicewastestedbyusingGSK-166vibrationtableandcomparedwithstandardsensorAC43throughthemetrologicalverification,andthe?resultsshowedthattheperformanceparametersofthedevice?meettherequirementsofearthquakeearlywarningsystembasically.
KeyWords:MEMStechnology,earthquakeearlywarning,vibrationpickingdevice
1Introduction
Physicsoftheearthisasciencebasedonobservationandmeasurement,seismologyhasarapiddevelopmentsincetheinstrumenthaveemergedandthemethodbasedontheinstrumentobservationwasestablished.Afterthedevelopmentofseveralgenerations,seismometerhavedevelopedfromtherecordbymagnifyingsmokeusinginitialmechanicallevertomeasurementIntegratedelectronictechnologyandcomputertechnology,improvedthefrequencybandrangeanddetectingprecisionsubstantially,anditmaketheseismologicalresearchanddevelopmententeranewstage.Withtheresearchanddevelopmenttoseismologyscienceandrequirementofspacedetectiontothemoonandthemars,combiningwithdevelopmentofthemodernelectronicandcomputertechnology,modernseismicsensorsneedtodeveloptowardslowpowerconsumption,miniaturization,chip,lowcostandhighreliability,andbeabletogetfullbandobservationandmeasurement.Modernmeasurementinstrumentbasedonmechanicalhammerhavesomeadvantagessuchashighlowresolution,largedynamicrang