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1、AbstractWiththerapiddevelopmentofmodemcityconstruction，theintelligentcommum哆buildinghaSbeenshowingtobetendency．Moreandmoredomesticmeters，suchasenergymeter．watermeterandgasmeter,arewidelyusedindailylife．Becauseourcountryatpresent，也eworkerneedtoenterthecommunityandtranscri
2、bemeterdata．Thisnotonlyhumanerrorexists．a(chǎn)lsoinevitablythewasteofmanpowerandmaterialresources·Bythecomputetech∞logY．variouskindsofAutomaticMeterReading(慫噍R)systemshavebeendeslgned，anda黜atdealofon-siteoperationworkgraduallytransitionstodigital·Itnotonlyreducetheneedfor訂oub
3、lesomemanualwork，butalsoearngoodeconomicaleffectandsocialeffect·Thespeciesofremoteautomaticmeterreadingsystemarediversity．Butinthepractlcalapplicationoftheprocess，therearesomedrawbacksexistence．Thispaperstudiestheremoteautomaticmeterreadingsystemisbasedontheneedsofanewre
4、sidentialarea·Thjsaniclefirstelaborated舭tasksignificance，applicationbackgroundoftheremoteautomancm酏erreadingsystem，analyzestheirrespectivecharacteristics，bringedforwardthemainwork，entireprojectandthenfocusesonthedesignandimplementationofremoteAMRSvstembasedonHm701ESEComm
5、unicationmodeofthissystemisadoptedwidelybasedontheRS．485electricalcharacteristicsofasynchronousserialcommunicationtechnology,·Inaddition．theimportantchipOV7620inthissystemisdescribedanddesignedandthedissena：tionta：keeffectivemethodstoenhancetheanti-jammingabilityandrelia
6、bility．Throughthetestingofthesystemandtheactualoperationresults-thissystemlSconVementinstallation．reliableoperation，stable，simpleoperation，copieddataisaccurate，reachingapr．edetenninedgoal，satisfytheactualdemand，hasahighvalueofEngineeringapplication—Additional，thewaterima
7、geinthispaperwasshootingbydigitalcameras．TheWatermeterautomaticrecognitionisthefrontpartofthedigitalreal·timewirelessMulti·mediasvstemandtheimageprocessinganddigitsrecognitionareitstwoCOretechnologies·Accordingtothetraitofwatermetercharacters，thearticlefirsttakesfilterin
8、g，binarizationinproperorderaspre-treatment，thencombinestheprojectionmethodtodividecharacters，finallyrec
