重慶監控安裝小技巧 視頻監控的工作原理
很多(duo)人對(dui)于我們的監(jian)控(kong)安裝(zhuang)、公司、廠家、價格(ge)等已經有了(le)一些了(le)解,今天重慶監(jian)控(kong)小(xiao)編將給大(da)家介紹"監(jian)控(kong)安裝(zhuang)小(xiao)技巧 視頻監(jian)控(kong)的工作原理(li)",希望能幫(bang)助到大(da)家。
監控(kong)安裝(zhuang)(zhuang)可是個技術活(huo),如何安裝(zhuang)(zhuang)監控(kong)讓其(qi)視野更(geng)廣闊呢?重慶地(di)區監控(kong)安裝(zhuang)(zhuang)位置直接(jie)關系(xi)到設備的安防效果,因此(ci)這是其(qi)首(shou)要(yao)參考因素。但要(yao)知(zhi)道(dao),重慶監控(kong)安裝(zhuang)(zhuang)位置選擇也(ye)有其(qi)要(yao)求。
為(wei)了(le)能(neng)使(shi)攝像機避免周圍環(huan)境干擾(rao),實現最佳的(de)拍照和生存效果,安裝時(shi)一定要(yao)因地而(er)異。一般來說(shuo),室內(nei)環(huan)境安裝時(shi)要(yao)盡量保證(zheng)設備的(de)高度不低于2.5米(mi),室外(wai)也要(yao)將其安裝在距離地面3米(mi)半以上。
一.表現層(ceng)
表現層是我們最直(zhi)觀(guan)感受到的(de),它展現了整個視頻監(jian)控(kong)系統的(de)品質。如監(jian)控(kong)電視墻、監(jian)視器、高音報警(jing)喇叭、報警(jing)自(zi)動駁接電話等等都屬于這一層。
二.控制層
控(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)層(ceng)是整(zheng)個(ge)視頻(pin)監(jian)控(kong)(kong)(kong)(kong)(kong)系(xi)(xi)統的(de)核心,它是系(xi)(xi)統科(ke)技水(shui)平(ping)的(de)最明(ming)確體現。通常(chang)我們的(de)控(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)方(fang)式(shi)有兩種——模(mo)擬(ni)控(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)和數(shu)字控(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)。模(mo)擬(ni)控(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)是早期的(de)控(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)方(fang)式(shi),其控(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)安裝臺視頻(pin)監(jian)控(kong)(kong)(kong)(kong)(kong)的(de)工作(zuo)原理通常(chang)由控(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)器(qi)或者模(mo)擬(ni)控(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)矩陣構成,適用(yong)于小型局部視頻(pin)監(jian)控(kong)(kong)(kong)(kong)(kong)系(xi)(xi)統,這種控(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)方(fang)式(shi)成本(ben)較(jiao)低,故障率較(jiao)小。但對于中(zhong)大型視頻(pin)監(jian)控(kong)(kong)(kong)(kong)(kong)系(xi)(xi)統而言,這種方(fang)式(shi)就(jiu)顯得(de)操作(zuo)復雜且無任何價格優勢(shi)了,這時我們更為明(ming)智的(de)選擇應該(gai)是數(shu)字控(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)。
數(shu)字控(kong)(kong)(kong)(kong)制是將工控(kong)(kong)(kong)(kong)計(ji)算機(ji)(ji)作為(wei)(wei)(wei)監(jian)控(kong)(kong)(kong)(kong)系(xi)統的(de)(de)控(kong)(kong)(kong)(kong)制核(he)心,它(ta)將復(fu)雜的(de)(de)模(mo)擬控(kong)(kong)(kong)(kong)制操作變為(wei)(wei)(wei)簡(jian)單的(de)(de)鼠標(biao)點擊(ji)操作,將巨大的(de)(de)模(mo)擬控(kong)(kong)(kong)(kong)制器堆疊縮小為(wei)(wei)(wei)一個工控(kong)(kong)(kong)(kong)計(ji)算機(ji)(ji),將復(fu)雜而數(shu)量龐大的(de)(de)控(kong)(kong)(kong)(kong)制電纜(lan)變為(wei)(wei)(wei)一根串行電話線(xian)。它(ta)將中遠(yuan)(yuan)程(cheng)視(shi)頻監(jian)控(kong)(kong)(kong)(kong)變為(wei)(wei)(wei)事實、為(wei)(wei)(wei)Internet遠(yuan)(yuan)程(cheng)監(jian)控(kong)(kong)(kong)(kong)提供(gong)可能。但(dan)數(shu)字控(kong)(kong)(kong)(kong)制也不(bu)是那么十全十美,控(kong)(kong)(kong)(kong)制主機(ji)(ji)的(de)(de)價格十分昂(ang)貴(gui)、模(mo)塊浪費(fei)的(de)(de)情況、系(xi)統可能出現(xian)全線(xian)崩潰的(de)(de)危機(ji)(ji)、控(kong)(kong)(kong)(kong)制較(jiao)為(wei)(wei)(wei)滯后等等問題仍(reng)然存在。
三.處理層
處理(li)(li)層或許該稱為音(yin)視頻(pin)處理(li)(li)層,它將(jiang)(jiang)有傳輸(shu)層送過來(lai)的音(yin)視頻(pin)信(xin)號加以分(fen)配、放(fang)大、分(fen)割等(deng)等(deng)處理(li)(li),有機的將(jiang)(jiang)表現(xian)層與控制層加以連接。音(yin)視頻(pin)分(fen)配器(qi)(qi)(qi)(qi)、音(yin)視頻(pin)放(fang)大器(qi)(qi)(qi)(qi)、視頻(pin)分(fen)割器(qi)(qi)(qi)(qi)、音(yin)視頻(pin)切換器(qi)(qi)(qi)(qi)等(deng)等(deng)設備都屬于(yu)這一層。
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