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农村有线电视网络双向改造方法研究.docx

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农村有线电视网络双向改造方法研究 Abstract Withthedevelopmentofinformationtechnology,theconstructionofruralinformationinfrastructurehasbecomeanimportanttaskforthegovernmenttopromotethebalanceddevelopmentofurbanandruralareas.Ruralcabletelevisionnetworkisanimportantpartofruralinformationinfrastructure.Inordertopromotethedevelopmentofruralcabletelevisionnetwork,itisnecessarytocarryouttwo-waytransformationofruralcabletelevisionnetwork,whichcannotonlyimprovethetransmissioncapacityofruralcabletelevisionnetwork,butalsoprovidemorediversifiedservicecontentandcreatemorevaluesforruralresidents. Keywords:ruralcabletelevisionnetwork;two-waytransformation;informationinfrastructure;ruraldevelopment Introduction Theconstructionofruralinformationinfrastructureisanimportanttasktopromotethebalanceddevelopmentofurbanandruralareas.Ruralcabletelevisionnetworkplaysanimportantroleinruralinformationinfrastructure,whichnotonlycanprovideentertainmentprogramstoruralresidents,butalsocantransmitimportantinformationandknowledgetoruralresidents.Inrecentyears,withthedevelopmentofinformationtechnology,theservicefunctionsofruralcabletelevisionnetworkhavebeengraduallyexpanded,andthedemandforbroadbandaccessandinteractiveserviceshasincreasedsignificantly.Therefore,itisnecessarytocarryouttwo-waytransformationofruralcabletelevisionnetworktomeettheneedsofruraldevelopment. 1.Thesignificanceoftwo-waytransformationofruralcabletelevisionnetwork 1.1improvethetransmissioncapacityofruralcabletelevisionnetwork Thetraditionalruralcabletelevisionnetworkmainlyprovidesanalogvideosignalstoruralresidents.Withthedevelopmentofdigitaltelevisiontechnology,thetransmissioncapacityofruralcabletelevisionnetworkhasbeengreatlyimproved.However,thetraditionalruralcabletelevisionnetworkstillfacesmanytechnicalproblems,suchaslowbandwidth,pooranti-interferenceability,andlimitedinteractivity.Inordertoimprovethetransmissioncapacityofruralcabletelevisionnetwork,itisnecessarytocarryouttwo-waytransformationofruralcabletelevisionnetworkandadoptadvancedtechno