陽極溶解電化學振蕩體系模型的白噪聲誘導模擬研究.pdf

1、首都師范大學碩士學位論文陽極溶解電化學振蕩體系模型的白噪聲誘導模擬研究姓名：張凡申請學位級別：碩士專業(yè)：物理化學指導教師：邵會波20060525首都師范大掌碩士掌位論文AbstractThenoiseexistseverywhereintheworldItsreportedthatnoisetookallimportantroleintheevolutiveprocessofnonlinearsystemNoiseresearchhas

2、beengivenmoreandmoreattentionbymanyworkgroupscamefromdifferentcountriesandmanyreportsaboutthisnewhotspothadbeenpublishedonthetopleveljournals，suchasScience，Nature，JPC，CPLintherecentdecadeMostlytheaimofnoiseresearchistoun

3、derstandand“eiplainthedynamicbehaviorinducedbynoiseunderunbalancedstateinthedifferentsystemsTheaimofthisstudyistoinvestigatethenonlineardynamicbehaviorinducedbynoiseinelectrochemicaloscillatedsystemInthefirstchapterthere

4、searchheadwaythebasicknowledgeofmodesolution，severalfamousmodes，inparticulatethebackgroundandcharacteristicsofelectrochemicaloscillation，havebeenintroducedindetailThefactthatelectrochemicaloscillated—systemiseasytobegive

5、nsignal，observedandwidelyexistinbin—systemmadeitmoresignificanttostudyelectrochemicalOScillatedmodethannormalchemicaloscillatedmodeInthesecondchapterthebasicconceptsandknowledgeofnonlineardynamicsofchemistryandresearchba

6、ckgroundofnonlinearscienceaswellweredescribedindetailApplicationofnonlineardynamicsofchemistrywasreviewed，anditsresearchprogressandtheDissipativeStructureTheorywereincludedTheDissipativeStructureTheoryhasabigimpactonther

7、esearchofnonlineardynamicsofchemistryNext，thischapterinvestigatedtheeffectofnoiseonthenonlineardynamicsofchemistrytheimportantphenomenonofstochasticresonanceinducedbynoiseinnonlinearsystemTheS／Nratioofatwostatemodelwases

8、tablishedbystudyingthetokenmethodatlengthExplicitinternalsignalstochasticresonanceisinvestigatedwhenwhitenoiseisaddedtotheregionofperiodic一2oscillatorystateinaelectrochemicalmodelforanodedissolveoscillationsThesignalto—n

9、oiseratio(SNR)ofinternalsignalhasamaximumvalueinducedbywhitenoiseItisfoundthattheSNRofstrongsignalisincreasingfasterthantheweaksignalwhitthesamenoiseintensity。Incontrast，thefrequenciesofbothsignalskeepconstantwhirtheincr