Analog koob yees duab yog siv rau kev soj ntsuam video thiab tswj vim lawv qhov rhiab heev thiab teeb liab kis tau tus mob nyob rau hauv ib tug dav dynamic ntau yam. Cov khoom siv no tau dhau los ua qhov dav vim qhov zoo ntawm tus nqi-rau-zoo piv ntawm cov teeb tsa kev soj ntsuam video.
Kev sib sau ntawm kev ruaj ntseg video system
Video recorder - lub hauv paus ntawm cov cuab yeej soj ntsuam ua rau lub koob yees duab yees duab. Ua ib tug VCR nrog ntxiv functional add-ons, lub cuab yeej sau npe, nyeem, sau cov teeb liab tuaj. PAL/NTSC analog video koob yees duab tau txuas nrog DVR kom xa cov duab nrog kaw thiab saib ntawm lub monitor. Cov Cheebtsam ntawm qhov system ua haujlwm siv lub zog siv hluav taws xob, kev tsim thiab lub zog uas nyob ntawm qhov yuav tsum tau ua. Siv cov cables, connectors, signal receivers thiab transmitters, lub DVR thiab cov koob yees duab tau ua ke rau hauv ib lub network.
Cov khoom siv nrog cov teeb liab txuas ntxiv
Lub cevcov ntaub ntawv hloov tsheb los ntawm lub sensor mus rau lub recorder nyob rau hauv daim ntawv ntawm ib tug tas mus li teeb liab yog tsis siv, tab sis yog tseem siv vim lub simplicity thiab tsis tshua muaj nqi ntawm cov cuab yeej ua hauj lwm ntawm lub hauv paus ntsiab lus no. Kev siv cov koob yees duab analog video txo tus nqi ntawm kev txhim kho thiab tswj xyuas me me los yog thaum nthuav dav. Kev soj ntsuam siv analog video thev naus laus zis tau ua dhau los ntawm thaj chaw loj, thaum lub chaw tswj hwm nyob ntawm qhov deb deb ntawm thaj chaw soj ntsuam.
Qhov txawv ntawm cov khoom siv yees duab digital
Ntau hom khoom siv yees duab sib txawv tsis yog nyob rau hauv txoj kev xa cov duab kho qhov muag. PAL/NTSC lub koob yees duab tau tshwm sim ua ntej, tab sis tam sim no lawv tsis siv lawm. Cov duab digital tau txais yam tsis muaj suab nrov thiab cuam tshuam, tab sis tus nqi ntawm kev yuav khoom nce los ntawm ob mus rau peb zaug. Kev siv cov koob yees duab analog tsis tso cai rau kev tshuaj xyuas streaming video rau hluav taws lossis pa luam yeeb, lossis cia li lees paub cov lej lossis ntsej muag.
Txhua lub koob yees duab ib leeg tau txuas nrog siv nws tus kheej coaxial cable, tsis zoo li cov koob yees duab digital uas tuaj yeem ua haujlwm los ntawm ib qho kev sib txuas ntawm ib leeg dhau ib qho sib tw-pair UTP cable. Kev ua haujlwm ntawm lub kaw lus analog tsis muaj DVR tsis tuaj yeem ua tau, thiab qee cov qauv digital muaj peev xwm kaw cov yeeb yaj kiab hauv lub cim xeeb built-in. Tag nrho cov khoom siv ntawm PAL / NTSC band kev ruaj ntseg yuav tsum tau nruab cov khoom siv hluav taws xob sib cais rau cov khoom siv hauv lub network, thiab cov khoom siv yees duab digital yog siv los ntawm lub cable uas xa cov teeb liab.
Qhov zoo ntawm PAL / NTSC Camcorders
Txawm hais tias cov thev naus laus zis tsis tu ncua, kev saib xyuas video analog yog nrov tsis yog vim tus nqi qis ntawm cov khoom, tab sis kuj yog vim muaj ntau yam zoo ntawm lub cev. Lub teeb liab los ntawm lub koob yees duab yog kis ncaj qha, tsis muaj kev ncua thiab kev hloov pauv, thiab cov duab raug kaw los ntawm lub kaw lus video, uas tseem qhia nws ntawm lub monitor. Yog tias tsim nyog, cov ntsiab lus ntxiv txuas nrog rau DVR, piv txwv li, lub suab sensors. Kev tu thiab kev teeb tsa ntawm lub kaw lus tsis tas yuav tsum muaj kev tsim nyog, yog li, nrog rau cov nqi qis rau cov khoom yuav khoom, tus nqi ntawm cov kws tshaj lij raug txo qis.
Qhov kev ncua deb ntawm sab nraum zoov analog video koob yees duab los ntawm qhov chaw tswj yog 300-350 meters piv rau 90-100 meters ntawm cov qauv digital, uas tso cai rau koj los npog thaj tsam loj dua rau kev soj ntsuam. Cov duab uas tshwm sim yuav siv qhov chaw tsawg dua hauv lub cim xeeb, tso cai rau koj kaw cov yeeb yaj kiab ntev dua lossis nruab ntau lub koob yees duab tib lub sijhawm kaw.
Daim ntawv thov ntawm PAL / NTSC cov khoom siv yees duab rau kev soj ntsuam
Ib qho peev nyiaj me me txwv tsis pub xaiv cov cuab yeej siv los tiv thaiv thiab saib xyuas. Qee lub sij hawm nws yog qhov zoo dua rau nruab ntau lub koob yees duab pheej yig dua li siv cov khoom kim heev uas nyuaj rau kev teeb tsa. Analog video soj ntsuam yog tsim rau cov cheeb tsam deb ntawm lub nroog, qhov twg muaj teeb meem nrog kev nkag mus rau hauv Internet thiab tsim ib tug tej thaj chaw deb network - nyob rau hauv lub caij ntuj sov cottages, lub teb chaws tsev, vaj societies.
Kev tiv thaiv thaj tsam loj ua rau muaj kev txwv rausiv cov koob yees duab digital. Qhov ntev tshaj plaws ntawm coaxial cable tso cai rau koj ua haujlwm kev ruaj ntseg video systems ntawm cov chaw loj nrog cov koob yees duab me me.
Siv AHD koob yees duab
Los ntawm tus neeg siv qhov kev xav, cov koob yees duab digital thiab analog sib txawv ntawm cov duab zoo thiab tus nqi. Kev ua lag luam ntawm kev ruaj ntseg tshuab tau ntxiv nrog AHD-cov cuab yeej siv, sib txuas qhov zoo ntawm cov tshuab analog nrog cov FullHD zoo. Txhim kho lub DVR siv AHD thev naus laus zis ua rau nws tuaj yeem nruab cov koob yees duab analog ntawm cov qauv qub thiab tshiab tib lub sijhawm. Qhov no nthuav dav cov qauv ntawm cov kev soj ntsuam analog, sib txuas cov nqi qis ntawm cov khoom siv nrog cov khoom zoo ntawm cov teeb liab tso tawm rau lub monitor. Qhov ntau ntawm cov teeb liab kis tau tus mob hla lub coaxial cable nce mus txog 500 meters, tab sis qhov xav tau ntawm lub cim xeeb rau kev kaw cov vis dis aus yuav loj dua. Cov khoom siv AHD kim dua li classic, tab sis pheej yig dua li digital.
