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1、SatelliteTVstationKubandcomputeraideddesign 一、外文原文SatelliteTVisthroughthesynchronoussatellitestothegroundonTV,in1985China'srentislocatedinlongitude65degreesofinternationalcommunicationsatellitetotransmitthecentraltelevisionandeducationtelevisionprog
2、rams.Later,alongwithChina'sreformandopeningup,andlaunchedacommunicationssatelliteandgreatlyenhancetheTVcoverageinChina,andpromotethedevelopmentofeducationinourcountryelectronic.Throughsatellitetelevisionprograms,imageisclearstability,soundpleasingtoth
3、eear.Atthesametime,italsohasthetransmissioncapacity,andtransmitprogramsmoreadvantages.DuetothehighfrequencybandKuwithwiderange,andfrequencychannelcapacitybigadvantages,soKubandsatellitedigitalradioatpresentinourcountryisintherapidrisethesituation,thed
4、evelopmentpotentialishuge,foregroundisveryattractive.SincethesatelliteTVstationdesign.Toreceivesatellitebytechnicalparameters,builtthesite'sgeography,electromagneticenvironmentandtheoptionalequipment,andmanyotherfactors,sowanttobeintheprocessofsite,th
5、ecalculationandanalysisofcarefullyselectedtheplanthantoachievetheoptimaltechnicalandeconomicindexes.Since1963thefirstplanetthatistheearthsynchronoussatellitelaunchRuGuirealizedhumanusesatelliteinformationsincethedream,satellitecommunicationsexperience
6、forthedevelopmentoftheapplicationofseveralstages,cardinalprincipleis:thefirststage:the1960sto70s,satellitecommunicationisstillintheinitialstage,manyinternationalsatellitecommunicationorganizations,suchastheIntelsat,Inmarsatetcestablished,andestablishs
7、everalinternationalsatellitecommunicationsystem,launchedainternationalsatellitecommunicationsandTVtransmissionofanewpage;Secondstage:themid1970sto80s,isasatellitecommunicationindomesticcommunicationfieldsofapplicationexuberantperiod,manycountrieshaves
8、etuptheirowndomesticsatellitecommunicationsystems,ourcountryalsolauncheddongfanghongtestcommunicationsatellite,establishedtheSTWsystem;Thethirdstage:the1980sto90s,satellitecommunicationsusheredinarevolutionarychange,appearedVSATthepopularizati
