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1、SatelliteTVstationKubandcomputeraideddesign 一、外文原文SatelliteTVisthroughthesynchronoussatellitestothegroundonTV,in1985China'srentislocatedinlongitude65degreesofinternationalcommunicationsatellitetotransmitthecentraltelevisionandeducationtelevisionprograms.Later,alongwithChina'sref
2、ormandopeningup,andlaunchedacommunicationssatelliteandgreatlyenhancetheTVcoverageinChina,andpromotethedevelopmentofeducationinourcountryelectronic.Throughsatellitetelevisionprograms,imageisclearstability,soundpleasingtotheear.Atthesametime,italsohasthetransmissioncapacity,andtrans
3、mitprogramsmoreadvantages.DuetothehighfrequencybandKuwithwiderange,andfrequencychannelcapacitybigadvantages,soKubandsatellitedigitalradioatpresentinourcountryisintherapidrisethesituation,thedevelopmentpotentialishuge,foregroundisveryattractive.SincethesatelliteTVstationdesign.Tore
4、ceivesatellitebytechnicalparameters,builtthesite'sgeography,electromagneticenvironmentandtheoptionalequipment,andmanyotherfactors,sowanttobeintheprocessofsite,thecalculationandanalysisofcarefullyselectedtheplanthantoachievetheoptimaltechnicalandeconomicindexes.Since1963thefirstpla
5、netthatistheearthsynchronoussatellitelaunchRuGuirealizedhumanusesatelliteinformationsincethedream,satellitecommunicationsexperienceforthedevelopmentoftheapplicationofseveralstages,cardinalprincipleis:thefirststage:the1960sto70s,satellitecommunicationisstillintheinitialstage,manyin
6、ternationalsatellitecommunicationorganizations,suchastheIntelsat,Inmarsatetcestablished,andestablishseveralinternationalsatellitecommunicationsystem,launchedainternationalsatellitecommunicationsandTVtransmissionofanewpage;Secondstage:themid1970sto80s,isasatellitecommunicationindom
7、esticcommunicationfieldsofapplicationexuberantperiod,manycountrieshavesetuptheirowndomesticsatellitecommunicationsystems,ourcountryalsolauncheddongfanghongtestcommunicationsatellite,establishedtheSTWsystem;Thethirdstage:the1980sto90s,satellitecommunicationsusheredinarevolutionaryc
8、hange,appearedVSATthepopularizati
