產(chǎn)生薄片型均勻磁場永磁機構(gòu)的優(yōu)化設(shè)計.pdf

1、沈陽工業(yè)大學(xué)碩士學(xué)位論文產(chǎn)生薄片型均勻磁場永磁機構(gòu)的優(yōu)化設(shè)計姓名：孫曉文申請學(xué)位級別：碩士專業(yè)：電工理論與新技術(shù)指導(dǎo)教師：謝德馨20070312沈陽工業(yè)大學(xué)碩士學(xué)位論文11leDes細鋤dOptimizationofPe珊aIlent腳letS仃uctureProducingaSliceofHornogeneousMag∞ticFieldmpem啵cntmagnetMag∞如lk∞n觚∞蛔ag：ing㈣deVi∞isa虹nd“ad朔me

2、dmed玉caldiagnosticde=vice謝lich咖obtainmeimag豁of衄ccIior吐s踟eofhummbodyDuetoi招900d0l蛾曲髂sandlo、^，盱maim∞粕ce‰，the鋤pletelyop融pt舶m缸Ienlma耐心is砒慨蟛tingmo塢鋤dmo她p∞ple’s砒屺ntionThemainm耐is伽eof曲昭mainpartsofMRIThcpe】礎(chǔ)珊斌magnet咖Ilct嘴嘶olv耐iI

3、ltbispap％砌chc鋤pIocIu∞ash∞ofhI瑚og∞∞usma雩皿cticfield，isjust越，0lltt0u∞嬲1b喀mainm碰舛ctof姍礎(chǔ)ned砒how協(xié)obtaina蛐mainma列蛐，tbispaperhasdoneme向Ⅱ喇ng他∞鯽chwork：珊rstly，∞thebasisofinl∞d∞ingthc1h∞fyofItesp仰鵑Su血ceMem‘)doIo舒∞hD，曲峙鉞tv舡血窖韶鋤ddi韶d硼

4、ntagesofsevemlHndsOfinterpol撕∞basisfilⅢ蚯咄usedtoc0礎(chǔ)佃】ctr鏹pon辯鯽dhccmodelinpI刪b船b咖跚mmarizcd，andk啊to嬲s岫e也esbape肼哦mlct朗avdI圮whcnusingI翟ldialbasisfmK吐oIlastheimerpol撕∞fhnctionh嬲b黜di蚓Bscd細Mor∞V貿(mào)RSMandtheimploVedG蜘e如～go血hm(GA)ha

5、wbe吼伽衄Ibinedto譽慨a(chǎn)ndan腫l【indofol砌miz抵me主hodwhichc趾∞lve姆m《螄丘eIdinV粥eprobl鋤sh嬲b咖珥oposed，andw鶴fm丘IIedbypI=o掣銣珈ningS∞∞dly，the鉞Iv孤ltagesandm鞠d、慨ntag船ofclassicalmtll矗州硎ve0lmmizadon刪hasb嘲analyzed，me枷州硎w刪蛐刪hodbased∞GAhasb啪蜥lemy硫o

6、ducedFⅢ岫me嘶cal∞nP蝴0pt岫眥曲“ve咖酬u齜edGA，theol硝miz撕onmeIhodhIsed∞PjⅡe幻——NmH如mina圭edsⅫ血唱GA(NSGA)andn”f奴el砸stN伽4伽in砷edS0rti瑪GA供SGA田h撇b咖maildydi∞珊se正M㈣ver，n塢RSMw粥in心哦tuccdintotheNSGAⅡ，whichmakesthemlddo坷。c吐Ve0l蚶m(xù)i翻虹∞oflargemg蒯c矗