一种霍尔传感器倍频特性的实验观测及应用

:1673-2103(2005)02-0030-031X,2(1.,274015;2.,716000):[1],,.:;;:TP212:A0,()..,.,,,,.RB...,.[1],(),,.,,,,4R/R(0)B,4,R/R(0)B,1.R=R(B)-R(0),R(0)R(B)B,R/R(0).1Tab1FittingresultB0.06TB0.12T51.48B2+0.306B1.457B+0.16965.25B2+0.517B1.800B+0.24057.69B2+0.626B1.692B+0.25341.36B2+0.385B1.408B+0.143B0.06T,R/R(0)B,B0.12T,R/R(0)B.11.1[2],,R/R(0)B2,R,R03272Vol.27No.2JournalofHezeUniversity20054Apr.2005X:2005-01-16:.:(1971-),,,,:..I0,B=B0cost,R/R(0)=KB2(K),R(B)=R(0)+R=R(0)+R(0)R/R(0)=R(0)+R(0)KB02cos2t=R(0)+R(0)KB02/2+[R(0)KB02cos2t]/2V(B)=I0R(B)=I0[R(0)+R(0)KB02/2]+[I0R(0)KB02]/2=V(0)+Vcos2t,2.1.21Fig1Circuitconnectionofmagneticresistancerelationmeasurementinmegamagneticfield1(a),XD-7S,SR-071BY,X,20230Hz|B|0.06T,1(b),,.2,,,.|B|0.06T,(20230Hz).,,.2Fig2Applicationcircuitflow-chartofInSbmagneticresistancesensorinsoundequipmentrenovation132005,:22,.,;,;WC1,|B|0.06T,;,C2,.,20230Hz40460Hz,.3,.:,;,,;|B|0.06T.,.:[1],,.[J].,2001,(9):46-48.[2]SeegerK.[M].:,1980.[3].[M].:,2001.ExperimentObserrvation&ApplicationsofFrequencyDoublingCharacteristicsofaHallSensorSHANGQian1;CAOXin2liang2(1.DeansOffice,HezeUniversity,Heze,Shandong,274015,China;2.CollofInfoSci,YananUniversity,Yanan,Shanxi716000,China)Abstract:ThispaperverifiesthroughexperimentsaconclusionofthestudyonmagneticresistancecharacteristicsoftheInSbsensorinnonlinearareas,frequencydoublingeffect,andusesthiseffecttorealizerelativeimprove2mentonsoundqualityoflow2frequencysounds.Keywords:InSbmagneticresistancesensor;frequencydoublingeffect;low2frequencysoundsiginal(26)TheEnergyDistributionofScalarParticlesofaRectilinearlyAcceleratingNon2stationaryBlackHolewithElectricChargesandMagneticChargesZHANGGuan2fen(DepartmentofPhysics,HezeUniversity,Heze,Shandong274015,China)Abstract:UsingHamilton2Jacobinequationofscalarparticlesincurvespace2time,theenergydistributionofscalarparticlesinspace2timeofarectilinearlyacceleratingnon2stationaryblackholewithelectricchargesandmagneticchargesisstudied.Itisnotonlydependsonthemass,electriccharges,magneticchargesandaccelera2tionoftheblackhole,butalsoisrelatedtothevariationsofblackholeeventhorizonandthe42Delectromagneticpotentialneartheeventhorizon.Keywords:blackhole;Hamilton2Jacobinequation;tortoisetransformation;non2thermalradiation2320052