資源描述：
《Radar Signal Processing for Elderly Fall Detection The future for in-home monitoring 》由會員上傳分享，免費在線閱讀，更多相關內容在學術論文-天天文庫。
1、SignalProceSSingforaSSiStedlivingMoeness?G.?Amin,Yimin?D.?Zhang,Fauzia?Ahmad,andK.C.?(Dominic)HoRadarSignalProcessingforElderlyFallDetectionThefutureforin-homemonitoringadarisconsideredanimportanttechnologyforhealthmonitoringandfalldetectioninelderlyassistedlivi
2、ngduetoanumberofattributesnotsharedbyothersensingRmodalities.Inthisarticle,wedescribethesignalprocessingalgorithmsandtech-niquesinvolvedinelderlyfalldetectionusingradar.Ahuman’sradarsignalreturnsdifferintheirDopplercharacteristics,dependingonthenatureofthehumang
3、rossmotoractivities.Thesesignalsarenonstationaryinnature,invitingtime-frequencyanalysisinbothitslinearandbilinearaspects,toplayafundamentalroleinmotionidentification,includingfallfeaturesdeter-minationandclassification.Thisarticleemploysrealfalldatatodemonstrate
4、thesuccessofexistingdetectionalgorithmsaswellastoreportonsomeofthechallengesfacingtech-nologydevelopmentsforfalldetection.IntroductionTheelderlypopulationaged65yearsorolderisgrowing,andtheirratiotothepopulationaged20–64willreach35%in2030[1].Theworldwidepopulatio
5、nover65isprojectedtoincreasetoonebillioninimagelicensedbyingrampublishing,woman—?istockphoto.com/silviajansen2030.Anoverwhelmingmajorityofelder-liesexerciseself-carewithintheirownhomesmostofthetime.Oneoutofthreeelderlypeopleovertheageof65willfalleveryyear,andthe
6、percentagerisesfortheelderlyliv-inginlong-termcareinstitutions.Thefallcanresultininjuriesandreducedqualityoflifeand,unfortunately,itrepresentsoneoftheleadingcausesofdeathintheelderlypopulation.Eventually,theelderlywhoareathighriskoffallingwillhavetomovetoinstitu
7、tionalizedcare,whichcancostapproximatelyUS$3,500permonth.Mostseniorsareunabletogetupbythemselvesafterafall,anditwasreportedthat,evenwith-outdirectinjuries,halfofthosewhoexperiencedanextendedperiodoflyingonthefloor(morethananhour)diedwithinsixmonthsaftertheincide
8、nt.Therefore,promptfalldetectionsaveslives,leadstotimelyinterventionsandmosteffectivetreatments,andreducesmedicalexpenses.Furthermore,itavoidsplacingmajorburdensonthe
