基于fpga等精度波特表系统设计

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1、第1I页武汉科技大学硕士学位论文AbstractIIltlleproductionprocessofcontinuouscausting，mouldleVelcon仃olprecisionisoneoftlleiIIlportantcontiIlouscaStingproductionprocessindicators，directlya琢；ctirlgmequalityof也efinaLlproducts．AtpresentmemoltenSteelmouIdliquidleVeldetectionsystemcommoIllyusedmethodsare

2、：isotoperadiationsourcemethod，eddycurrentmetllod，electromagneticmetllod，t11eisotopesshootsourcemetllodisnowwidelyusedoneofⅡ1eways，billet，roundbillet，rectallgularslabbillet，abnonn埘canbeused，tlleisotopesshootsourcememodusingisotoI)icradiationsources，usingflaShcrystalreceivingdeVices谢

3、llchaIlgetlleheightofⅡlem01tenSteelliquidsurf．acemoelectricaliInpulses，throu曲tot11epulse疳equencymeasurements(baudmeaSurementsystem)todetect廿1eliquidsurfIaceheight．Sof}equencymeaSurementsystemdesigIlisve巧inlportant，itisdirectlyrelatedto也em01tensteel1evelfor廿leaccuracyofreal-timecon仃

4、01．The仃aditional丘equencymeaSurementmemod，baSedonsiIlgle曲岫microcoInputer丘equencymeaSurementsystemcaIlsatis矽simple舶quencymeaLsurementsaIlddisplay缸lction．T11ispaper，baSedonthedesignoftheFPGAa11dembeddedsystema11d丘equencymeaSurementprecisionsystemsuseFPGA，SOPCaIldembeddedsystem，coⅡ1bi血

5、gcallnotoIlly、析11meresultsdatastoreforinquiresthe，h1memeasurementspeedaIldaccuracyonalsorisesgreatly．T11isp印eri11仃oducest11emould1evelmeasurementsystem(baudmeas珊ementsystI锄)mreelayersnmcture，discuSsedt11e丘’equencymeasurementsystemhardwareandso脚aredesi印，iIlViewoftllewholesystemstruc

6、nlreoft11eneedtocompletef．unctionrequirementandpar锄etersrequirements，discussedbasedonFPGAa11d丘equencymeaSu埘nentprecisionofadVantage，aIldkindsoft11e丘。equencymeaSurementmetllodsareanalyzed，b嬲edonFPGAdesignofmeasuring丘equencyalgoritllm，suchaus仔equencymeasurementaccuracyinbaSedontllemo

7、Ⅵngaverage丘equencymeaSurememmetllodtoiIIlplementt：hesystemhardwaredesi弘，ensurethattllesystemofprecisiona11dreal—tiIlle．Usingembeddedsystemtoaccomplisht11eda：tapreservation，仃aIlsIIlissionand衔endlyinterfacedesi趴．111paperfinally，t0疳equencyme2usurementsystemtestre刚．tswereveri6ed，itmeet

8、t11edesignrequirements．Key