Engineering-Research-Activity2015｜SHINSHU UNIV.

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サイズW7.5cm×H4.35cm配置位置横11cm、縦2.5cmサイズW7.5cm×H4.35cm配置位置横11cm、縦7.8cm（写真）サイズW3cm×H2.65cm配置位置横0.5cm、縦7.42cmInrecentyear,theproblemhowtomaintainthereliabilityofdigitaldatawhichisrecodedortransmittedisapressingissuewearenowfacing.Forreliableinformation,thereareerror-correctiontechniqueandencryptiontechnique.Inourlaboratory,weworktodevelopthefundamentaltheoryforthesesubjects.Itisoutrageoustobedoubtfulwhetherprovideddatahaveanerror.Atfirstsuchatechniqueisnecessary.Andthecertificationtechnologywhetherwhosentthesedatatowillbenecessary.Byencryptionandcertificationtechnology,theordinaryfuturewhichdoesnotsufferfrom""It'sme"fraud"willcome.Tatsuo Sugimura, ProfessorHe joined ShinshuUniversity in 1991. He is interested in the mathematical structure of reliable ommunication.Photograph of a discussion High-reliability space spanned on n-dimensional spacePhotograph of a Lecturing in turnItisnotnecessarytodecidethefutureatthestudyinbachelorormastercourse.Ifthereistheabilitythatyoucanmodelaproblem,andcanbesettled,youcanplayanactivepartinanyplace.“Beinterestedinvariousthings.Inparticular,beinterestedintheplacewhereanotherpersondoesnothaveitseyeson.”SugimuraLabElectrical& ElectronicEngineeringIn the FutureAfter GraduationRevealing the limits of the source coding problemsNo intellect, no information. The nature of information is digital and discrete. It is invisible, but we can depict it with mathematical science.Each student handles his/her individual research problem.Discussion with the peers is important tosolve it. We must develop partnership and friendship.NishiaraLabCommunication,broadcast,andreadingandwritingonastoragecanberegardedasprocessesofdeliveringinformationfromsourcestodestinations.Inourlab,weformulatethemathematicalmodelsofvariousinformationsystemsandexplorethetheoreticallimitsofthetheirperformance.Forexample,theimplementationofastreamingsystemrequiresaninvestigationoftradeoffbetweenthebandwidthandthecompression.Althoughmanykindsofsuchproductsarealreadyavailableforusage,thetruthbehindthephenomenonisstillnotclear.Atthestartofdigital-broadcasting,emergencysignalsweresenttogetherwithimagedata.However,itturnsoutthatthecompressionprocessofimagedelaysanemergencysignal,andsotheyareprocessedseparatelynow.Byinvestigatingthetradeoffbetweentheprocessingandthedelay,wecanimprovethetransmissionoftheemergencysignals.MikihikoNishiara,Assoc. Prof.is at the present post since 2007 after a research asso-ciateof the university of electro-communications. He is interested in infor-mationtheory. Also has a career as a system engi-neer.Inourlab,youcandevelopyourprogrammingskillsbecauseyouwillusecomputersimulationsinyourresearch.Youwillalsoearnthetrustofyourcolleaguesasyoutraintoexpressyourunderstandingtoothers.Electrical& ElectronicEngineeringIn the FutureAfter Graduation26

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