脉象信号分析建模仿真及应用分析

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1、AbstractArteryisaveryimportantcomponentofthecardiovascularsystem.Thepulsewaveiscameintobeingbythetransmissionthatthebloodalongthearteriestotheperipheralvascular.Ithascriticalmedicalvalueofpulsewavemodeling,simulationandanalysisofrealsignals,whichisalsoahotanddifficultproblemofrecentstud

2、ies.Pulsewavemodeling,simulatingandapplicationhadbeenresearchedbasedontheextensiveliterature.Firstresearchestheleftventriclemodelandthedualelasticchambermodelfromthegenerationandpropagationmechanismofhumanpulsewave.Andthenstudiestodeterminethepulsewavemathematicalmodelofthehumanarterysy

3、stem.Thecharacteristicsdataofpulsewavehadbeenobtainedbytherealsignalsanalysisofthehealthofyouthundertherestingstateandthederivationformulaofthepulsegraphareamethod・Besides,theparametersofthepulsewavesystemmodelhadbeenoptimizedbythepulsesignalsimulationofthenormalhealthyyoungpeopleinther

4、estingstate.Onthebasisofthismodel,thephysiologicalsignificanceofeachparameteranditsimpactonthewaveformhadbeenresearched.Thesimulationofthesingle-factorpulsesignalhasalsobeenpresentedinthispaper.Combinedthepulsewavesignalsofthepatientswithgestationalhypertensionsyndrome,theresearchhowtop

5、roducecompositepulsebythesingle-factorpulsehadbeendone.Moreover,aparametricanalysisofthepatientwithgestationalhypertensionsyndromehadbeenmadetomakesomeparameteradjustment.Andthensomepreliminarysimulationaboutthemhadbeendone.Themodelresultshavebeendemonstratedpreliminarythatthementionedm

6、odelofthepulsewavehassomepracticalvalue.Onthebasisoftheaboveworks,thefurtherresearcheshavebeenproposed.KeywordsPulsesystem,Doubleelasticreservoir,Wavelettransform,Pulsegraphmethod,Pregnancy-inducedhypertensionsyndrome摘要IABSTRACTII第］章绪论11」课题研究背景及意义11.2国内外研究现状31.2.1系统建模31.2.2信号处理与分析51.3本课

7、题的研究目的、内容及论文结构6第2章脉搏波研究的理论基础72」脉搏波的概念72.1.1脉搏波的产生与传播72.1.2脉搏波的波形及其信号特征82.2脉象信号的分析方法102.2.1脉图面积法102.2.2频域分析方法132.3本章小结14第3章脉搏波的波形分析153」小波变换的理论基础153.2脉象信号的去噪183.2.1小波变换实现信号消噪的基本原理193.2.2应用一维小波分析进行脉象信号消噪处理203.3脉象信号的奇异点分析223.3.1小波奇异点检测的原理223.3.2脉象信号的奇异点检测243.4本章小结25第4章脉搏波的模型建立及仿真27