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WATRANSLATINGBOTHSYSTEMSTOADVANCEDPRACTICALMATURERELIABLEBUTALSOTOOPENSYSTEMSSCALABILITYANDTAKEINTOACCOUNTREASONABLEINVESTMENTTHEPURPOSEOFTHEBESTEFFICIENCYCCTVSURVEILLANCEEQUIPMENTONTHESPOTONSURVEILLANCECONTROLANDMANAGEMENTOFTHESEFACILITIESINASAFERELIABLEANDEFFICIENTOPERATIONANDMAKEFULLUSEOFINTELLIGENTMANAGEMENTROLETOCREATEASAFEHEALTHYCOMFORTABLEANDTOBEABLETOIMPROVETHEEFFICIENCYOFTHEFINEWORKENVIRONMENTENERGYCONSERVATIONANDREDUCEMAINTENANCEPERSONNELACCORDINGTOTHEPROJECTSENVIRONMENTALNEEDSANDDEMANDFORTHEESTABLISHMENTOFJOINTFUNCTIONOFTHEITEMCCTVMONITORING1THESYSTEMHASTHEFOLLOWINGFEATURESCCTVMAINTASKISANIMPORTANTPARTOFTHEBUILDINGWITHINTHEDEVELOPMENTSSUCHASDYNAMICFLOWCONDITIONSMACROECONOMICSURVEILLANCECONTROLTHEVARIOUSANOMALIESINORDERTOCONDUCTREALTIMEEVIDENCEREVIEWTOTHETIMELYPROCESSINGOFPURPOSE1VIDEOSIGNALTIMINGLOCATIONSWITCHPROGRAMMING2VIEWANDRECORDIMAGESANDADISTINCTIONSHOULDBECHARACTERSTIMEYEARMONTHDAYDISPLAY3RECEIVESIGNALSUPERIMPOSEDELEVATORFLOOR4SYNCHRONIZEDSWITCHINGPOWERSYNCHRONOUSORSYNCHRONOUS5TORECEIVESECURITYSUBSYSTEMSSIGNALSYSTEMINACCORDANCEWITHTHENEEDTOACHIEVEJOINTCONTROLORSYSTEMINTEGRATION6INTERNALANDEXTERNALCOMMUNICATIONSLINKS7SECURITYSURVEILLANCETELEVISIONSYSTEMANDSECURITYALARMSYSTEMLINKEDSHOULDBEABLETOAUTOMATICALLYSWITCHDISPLAYRECORDOFTHEIMAGESIGNALALARMLOCATIONANDALARMTIME8POWERCONTROLCAMERASECURITYCONTROLROOMSHOULDBEUNIFIEDWITHGREENPOWERBYTHESECURITYCONTROLROOMOPERATORSTOCUTOFFONTHESECURITYCONTROLROOMFARAWAYFROMTHECAMERAISPOWEREDREUNIFICATIONCANBEDIFFICULTTORESOLVETHENEARESTIFTHESYSTEMISASYNCHRONOUSMODEOFPOWERANDSECURITYMUSTBETHESAMEFORTHECONTROLROOMOFARELIABLEPOWERSUPPLY2THESYSTEMHASTHEFOLLOWINGFEATURESH264COMPRESSIONTECHNOLOGYH264VIDEOCODINGSTANDARDISDESIGNEDFORTHEHIGHQUALITYIMAGECOMPRESSIONCAMPAIGNDESIGNEDBYTHELOWBITRATEIMAGECOMPRESSIONSTANDARDH264VIDEOCODINGUSEDINTHEMOVEMENTOFTHECOMMONCODINGMETHODCODINGANDDECODINGPROCESSISDIVIDEDINTOTWOPARTSINTERFRAMECODINGEGYPTINTRAIMPROVEDDCTTRANSFORMATIONANDQUANTIFIEDINTHEINTERFRAMEOFA1/2PIXELMOTIONVECTORFORECASTCOMPENSATIONTECHNOLOGYMOTIONCOMPENSATIONMOREPRECISEQUANTIFIABLEIMPROVEMENTSAPPLYVARIABLELENGTHCODINGTABLEVLCANDQUANTITATIVEDATAFORENTROPYCODINGCODINGFINALCOEFFICIENTH264STANDARDHIGHERCOMPRESSIONRATIOTHEENTIRECIFFORMATMODESINGLEOCCUPIEDBANDWIDTHINTHEHUNDREDSAROUNDTHEGENERALOCCUPIEDBANDWIDTHDEPENDINGONTHESPECIFICEXERCISEHOWMANYDIFFERENTPICTUREDEFICIENCYISRELATIVELYPOORQUALITYOFSOMEOCCUPIEDBANDWIDTHSCREENWITHMOVEMENTANDTHECOMPLEXITYOFSUBSTANTIALCHANGEINSHORTTHISISACLOSEDCIRCUITTELEVISIONMONITORSOTHATTHEITEMHIGHLYAUTOMATEDHIGHLYEFFICIENTELEGANTCOMFORTABLECONVENIENTANDSPEEDYHIGHSECURITYENVIRONMENTOFSPACESYSTEMMAINLYCONSISTSOFTHREEPARTSFRONTENDMONITORINGMONITORINGCENTRECONTROLCENTERWORKSTATIONCLIENTWTHEINSTALLATIONOFVIDEOSURVEILLANCEPOINTCOLORNIGHTVISIONCAMERASANDCOLOROFHIGHILLUMINATIONCAMERASANDOTHEREQUIPMENTINSTALLEDINTHEDESIGNATEDLOCATIONPROVIDING12VDCPOWERSUPPLYANDVIDEOINTERFACEMONITORINGCENTREACCORDINGTOSPECIFICREQUIREMENTSOFSCHOOLSTEACHINGAREASOFNINESCHOOLBUILDINGSBYINFORMATIONCENTREANDTHECENTRESETUPACONTROLEXTENSIONSTHECLINICTEACHERSDORMITORYATOTALOFTWODORMITORYANDGARAGETHELIVINGQUARTERSOFSTUDENTSTOTAL12DORMITORYTOINSTALLACONTROLEXTENSIONSCANTEENSSUPERMARKETSSPORTSCENTRESTUDENTACTIVITYCENTRETRAININGCENTERTHESOUTHGATESIMONANDTHENORTHHAVESETUPACONTROLEXTENSIONSINTHEHOSTCONTROLCENTRESETUPTOMONITORTHEENTIRECAMPUSTHATINTURNCONTROLTHEFIRSTTIMEPOLICEINFORMATIONANDCRIMINALSEVERYMOVEINTHEROOMWEREBAOWEICHUPRESIDENTANDTHEESTABLISHMENTOFACONTROLCENTERDVRCONTROLCENTERTHROUGHTHECONTROLSYSTEMCANBEARBITRARYVIEWTHEFULLIMAGETOAUTHORITYANDAMONITORINGPOINTFORTHEIMPLEMENTATIONOFCLOTHCHEFANGVIDEOPLAYBACKOPERATIONSTOACCESSCONTROLCENTERSARELOCATEDINTHEPRESIDENTSOFFICETHELEADINGSUBCONTROLCENTERCANCAARBITRARYCONTROLOFPANTILTANDZOOMIMAGESANDACTIONASAMANAGEMENTANDUNDERSTANDINGOFTHESITUATIONBOTHINSIDEANDOUTSIDETHEHOSPITALAUXILIARYMEANSHOUSELEADERSHIPNOTTOTHEOFFICEINORDERTOUNDERSTANDTHEKEYPARTSOFTHEHOSPITALSITUATIONTHROUGHTRANSMISSIONFROMTHEREMOTEVIDEOSIGNALSTHROUGHDIGITALHARDDISKVIDEORECORDERSTOPROVIDERESOURCESHARINGCONNECTIONSALLTHEVIDEOANDALARMRECORDSCANBESHAREDTHROUGHTHENETWORKTOACCESSSETUPSEVENDISTRIBUTIONOFAUTHORITYTHEOPERATORSWEREINADIFFERENTAUTHORITYTOOPERATESYSTEMOFGREATSECURITYALLUSERSMUSTPROVIDETOTHEUSERNAMEANDPASSWORDTODETECTCOMPETENCENOTMANIPULATIONSYSTEMALARMSYSTEMWITHTIPSANDVIDEOMOTIONDETECTIONCAPABILITIESGREATLYSAVEDISKSPACEAPOLICEVIDEODOCUMENTARYVIDEOTOBESTOREDTHESYSTEMDOESNOTREACHTOFACILITATEENQUIRIESFORINFORMATIONAFTERTHEINCIDENTTHEPOLICEWANTTODELETEDOCUMENTSMUSTBECARRIEDOUTBYTHESYSTEMADMINISTRATORALARMSYSTEMSALSOHAVEAUTOMATEDRECORDSANDFUNCTIONALLINKAGETHESYSTEMINTERFACEUNITWITHTHEPOLICEANDOTHERPOLICEEQUIPMENTCANBECONNECTEDANYTIMEASYSTEMOFREGIONALSECURITYALARMSWERETRIGGEREDTHESYSTEMWILLAUTOMATICALLYSWITCHTOALARMTHECAMERASCREENMONITORREGIONALSTATEANDAUTOMATICALLYTRANSFERREDTOVIDEOIFTWOORMORESIMULTANEOUSALARMINFORMATIONTHESYSTEMCANSIMULTANEOUSLYRECORDORORDEROFTHECORRESPONDINGALARMANDREGIONALIMAGEMONITORINGCENTREDIGITALHDRECORDERSDVRINSTALLATIONOFSERVERSIDESOFT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ASDISCRETEPATTERNSOFBITSTHISDIGITALFORMISMOSTUSEFULWHENTHEMICROCOMPUTERISTOBECONNECTEDTOEQUIPMENTWHICHCANONLYBESWITCHEDONOROFFWHEREEACHBITMIGHTREPRESENTTHESTATEOFASWITCHORACTUATORCAREMUSTBETAKENWHENCONNECTINGLOGICCIRCUITSTOENSURETHATTHEIRLOGICLEVELSANDCURRENTRATINGSARECOMPATIBLETHEOUTPUTVOLTAGESPRODUCEDBYALOGICCIRCUITARENORMALLYSPECIFIEDINTERMSOFWORSTCASEVALUESWHENSOURCINGORSINKINGTHEMAXIMUMRATEDCURRENTSTHUSVOHISTHEGUARANTEEDMINIMUM“HIGH”VOLTAGEWHENSOURCINGTHEMAXIMUMRATED“HIGH”OUTPUTCURRENTIOHWHILEVOLISTHEGUARANTEEDMINIMUM“LOW”OUTPUTVOLTAGEWHENSINKINGTHEMAXIMUMRATED“LOW”OUTPUTCURRENTIOLTHEREARECORRESPONDINGSPECIFICATIONFORLOGICINPUTSWHICHSPECIFYTHEMINIMUMINPUTVOLTAGEWHICHWILLBERECOGNIZEDASALOGIC“HIGH”STATEVIHANDTHEMAXIMUMINPUTVOLTAGEWHICHWILLBEREGARDEDASALOGIC“LOW”STATEVILFORINPUTINTERFACEPERHAPSTHEMAINPROBLEMFACINGTHEDESIGNERISWTHATOFELECTRICALNOISESMALLNOISESSIGNALSMAYCAUSETHESYSTEMTOMALFUNCTIONWHILELARGERAMOUNTSOFNOISECANPERMANENTLYDAMAGEITTHEDESIGNERMUSTBEAWAREOFTHESEDANGERSFROMTHEOUTSETTHEREAREMANYMETHODSTOPROTECTINTERFACECIRCUITSANDMICROCOMPUTERFROMVARIOUSKINDSOFNOISEFOLLOWINGARESOMEEXAMPLE1INPUTANDOUTPUTELECTRICALISOLATIONBETWEENTHEMICROCOMPUTERSYSTEMANDEXTERNALDEVICESUSINGANOPTOISOLATORORATRANSFORMER2REMOVINGHIGHFREQUENCYNOISEPULSESBYALOWPASSFILTERANDSCHMITTTRIGGER3PROTECTINGAGAINSTEXCESSIVEINPUTVOLTAGESUSINGAPAIROFDIODESTOPOWERSUPPLYREVERSIBLYBIASEDINNORMALDIRECTIONFOROUTPUTINTERFACEPARAMETERSVOHVOLIOHANDIOLOFALOGICDEVICEAREUSUALLYMUCHTOLOWTOALLOWLOADSTOBECONNECTEDDIRECTLYANDINPRACTICEANEXTERNALCIRCUITMUSTBECONNECTEDTOAMPLIFYTHECURRENTANDVOLTAGETODRIVEALOADALTHOUGHSEVERALTYPESOFSEMICONDUCTORDEVICESARENOWAVAILABLEFORCONTROLLINGDCANDACPOWERSUPTOMANYKILOWATTSTHEREARETWOBASICWAYSINWHICHASWITCHCANBECONNECTEDTOALOADTOCONTROLITWITHSERIESCONNECTIONTHESWITCHALLOWSCURRENTTOFLOWTHROUGHTHELOADWHENCLOSEDWHILEWITHSHUNTCONNECTIONCLOSIN
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