基于DSP技术的电磁无损检测仪的研究

DSP1221(1.,150040;2.,150080):,,DSP,DSP:;;;:TG15:B:167124423(2005)04232203,100%,,[1,2],DSP,DSP,,1,,,,,DSP1.11[3],,Ha,,Ha,HsHa,Leff,,E1:E=2PfnPD24Ha10-8()(1)E=2PfnPD24LrLeffHa10-8()(2)f,D,nLrLeffHa(1)(2),EfDnHp,100%,,29420058NDTVol.29No.4August.2005©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(TMS320LF2407A)(IS61LV6416-15T)(TPS7670D318),;LF2407A3.3VDSP[4]:1.,25ns,40MIPS,12M80C511Ls;2.CPU32,32,,;3.RAM,,32K316;2.5K316öRAM,2KSRAM192K316;4.IöO,10ADC,500ns22,,,,,,,,DSP2(FFT),17mm,33mm30,15,15,28MnCr5,66mm,16mm21,,33()(),,,3428MnCr5334:DSP©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(,518055):A,,,:;;:TG115.28:B:167124423(2005)042342031,,,,()[1],,??22.1A1,:V=EõGõTõD(H)õG(x)õW(f,d)õAõe-2Ax(1)EGTD(H)G(x)W(f,d)AxA4:,4,,TMS320LF2407ADSP,,,,,:[1]WANJing,HEYun2bin,FANJing2yun,WANGuo2qing.DevelopmentandApplicationofWGQTypeMi2cro2computer2basedElectromageticNondetructiveTestinglnstrumentforMetalMaterial[J].Tansac2tionsofNonfe2rrousMetalsSocietyofChina,2002,12(6):10581026[2],.[J].,1996,(4):57[3],,,.[J].,1997,(2):3237[4],,.DSP.:,2002.229420058NDTVol.29No.4August.2005©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.