Abstract:
Satellite dishreceivershavebecomepopularinrecentyearsprimarilyfor
use inhometelevisionreceivingsystems.Satellitedishreceiversandsatel-
lite dishtransmittersarehighlydirectionalantennas.Asaresulttheymust
bepreciselyaimedatadesiredbroadcastingsatelliteforproperoperation.
The traditionalmethodfortuningoraligningsatelliteantennatospeci c
satellite isdonemanuallywhichitisnotprecise.adesigntoalignsatel-
lite antennaautomaticallytospeci csatellitehasbeenpresentedinthis
thesis. Todesignthissystem rstlyinitialdesignwasbuiltusingproteus
and bascomavrID.AfterthatantennawasmotorizedwithtwoDCMotor
,one forhorizontalmovementandtheotherforverticalmovement.Then
to controlmovementofDCmotorstomovethetwomotorsinpatternof
pulses acontrollerwasbeenused.Whencontrollergetagoodsignallevel.
It willsavemotorspositionsinitsEEPROM.thiswasdoneaccordingto
speci cprogrambuiltinmicrocontrollermemory.controllerusedinthis
system wasavratmega32programmedbyusingBASCOMAVRID.Then
test andevaluationprocesswasdonefortheproposedsystem.Finally,
conclude thattheuseoftheproposedsolutionforalignmentprocesswas
made anditwasbeeneasyandquickly.Theresultsofthesimulationwas
compatible withwhatisexpectedfromusingthistechnique.