毕业论文-公交汉字显示系统

t,voiceintegrationarerealizedcoordinationlytoo.Reducethelaborintensityofsalespersonneldepartment,improvingthequalityofbusservice.Itisakindofnewproductsoftechnologyandfashion.Atthesametime,itgetsridoftraditionalelectronicscreen"line",emoremarket-oriented.Thecharacteristicsof"flow"showsispraisedhighlybyadvertising.itisakindofnewmedia.pany,withthecharactorofrepeatedrecording,longtimestorage,withoutexpandedmemorywhenusingandsimplecircuitoftheperiphery,etc.ThissystembasedonClanguageforsoftwaredesign,theinstructionexecutespeedlyandsavestoragespace.Inordertofacilitateexpansionandchange,thedesignofsoftwareadoptmodularstructure,maketheprogramdesignoflogicalrelationshipmoreconcise,makethehardwareunderthecontrolofthesoftwareoperationharmoniously.Keywords:89C51MCU,LEDdotmatrixdisplay,pronunciationchip