超聲熱療技術(shù)中準(zhǔn)確加熱控制方法的研究.pdf

1、西安電子科技大學(xué)碩士學(xué)位論文超聲熱療技術(shù)中準(zhǔn)確加熱控制方法的研究姓名：鄧軍申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：電路與系統(tǒng)指導(dǎo)教師：劉篤仁20030101ABSTRACTInthispaperitisdiscussedthatisthequesdonofcontrollingtemperatureinultrasonictherapeuticaltreatmentbyhyperthermBecausecancercellsarekilledwhent

2、heyheateduptoacertaintemperature，wecalluseultrasonictoheatupthemIfthetemperatureoftumorcellishigherthanitscriticaltemperatureofbeingkilled，normalcellswillalsoconfrontdangenIfitcan’tachievethecriticaltemperature，thetreatm

3、entsarcnoneffectiveSoitisveryimportanttocontrolmorepreciselytemperatureWhataboutsettlingtheproblemInthispaperwebringforwardsomemeanstobereferencedFirstlyadaptivecancelingmethodscanreducethenoiseoftemperaturesignalgainedS

4、econdly，waveletanalysisandwaveletpacketanalysiscallmakethesignaltodecompose、removenoisesandrenewedlyconstructforremovingnoisesthoroughlyInaddition，inthispaperwedesigntheadaptivefilterbaseonwavelettransformItintegratethee

5、xcdlencesofthetwofrontalmeansSowecanachievemuchmorepuretemperaturesignalandenhancesignal—tonoiseratioInthecontrollingtemperatureinultrasonictherapeuticaltreatmentbyhypertherm，thispaperdosomediscussingworks，Wewishtoexplor

6、econstantlyanddiScoverbettermeansAnditwillbeusedinclinicalpracticestobenefitforhumanKeywords：ultrasonictherapeuticaltreatmentbyhypertherm，adaptivecancelingmethodsl，noisedisturbance，wavelettransform，adaptivefiltersignal—t