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关于固定电话过渡至移动电话能源消耗的数学模型
关于固定电话过渡至移动电话能源消耗的数学模型
第25卷第2期
2011年6月
山西师范大学(自然科学版)
JournalofShanxiNormalUniversity
NaturalScienceEdition
VoI.25No.2
June2011
文章编号:1009-4490(2011)02-0030-08
AMathematicalModelforEnergyConsumingin
theTransitionfromLandlinestoMobilPhones
MENGLong,CUIXiao.hong,WANGTun
(1.DepartmentQ,OpticalEngineering,ZhejiangUniversity,Hangzhou310027,Zhejiang,China;
2.DepartmentofControlScience,ZhejiangUniversity,Hangzhou310027,Zhefiang,China;
3.ChuKochenHonomCollege,ZhejiangUniversity,Hangzhou310027,Zhejiang,China)
Abstract:Inthisarticle,amathematicalmodelfortheenergyconsuminginthetransitionfromlandlinestono—
bilephonesisestablishedandconsideredindetail.Specificenergyiscalculatedforthewholeprocess.Fora
furtherconsideration,anappropriateallocationforapseudoAmericaisconstructedfromaminimalenergy
point.Energyrelatedtootherfacilitiesforhouseholdsarealsotakenintoconsiderationandafutureprediction
wasaccordinglymade.
Keywords:transitionfromlandlinestomobilephones;energyconsuming;pseudoAmerica;polulation
CLCnumber:029Documentcode:A
TransitionfromLandlinestoMobilePhones
Tojudgetheimpactonenergyconsumptioncausedbythereplacementoflandlinesbycellphones,wefirst
makesomeassumptionsinordertomaketheproblemclearer,andthendividetheproblemintotwoparts.The
firstpartistoestinmtethechangeofnumberofpeoplewhowillusecellphonesinsteadoflandlines.Thesecond
partistobuildtherelationshipbetweenthechangeofthenumberofpeopleusingdifferentphoneserviceandthe
changeofenergyconsumption.
Assumptions:
ThetotalpopulationandagestructureofUSdoesntchangeduringtheperiodoftimewewilldealwith.
TheDumberofpeoplewhohavebothcelIphonesandlandlines,orneitherofthetwoisnegleetively
smal1.
Peoplecanaffordaeellphoneorlandlinesiftheywantone.
1.1Estimationofthenumberofpeople
WeusetheInfectiousDiseaseModeltoconstructtwomodels.Model1issimplerandmoretheoreticalsince
wewanttoillustratetheprincipleandmainfactorsoftheproblem,andModel2takesagestructureintoconsider—
ationandisofmorepracticalsignificance.
1.1.1Modell
FromaUSthatistotallyservicedbyl
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