寧波視頻監(jiān)控系統(tǒng)CCTV價(jià)格上海翊皖船舶設(shè)備供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="CCTV監(jiān)控系統(tǒng)發(fā)展歷史：第二代視頻監(jiān)控：當(dāng)前“模擬-數(shù)字”監(jiān)控系統(tǒng)（DVR）：“模擬-數(shù)字”監(jiān)控系統(tǒng)是以數(shù)字硬盤錄像機(jī)DVR為中心半模擬-半數(shù)字方案，從攝像機(jī)到DVR仍采用同軸纜輸出視頻信號，通過DVR同時(shí)支持錄像和回放，并可支持有限IP"><meta name="keywords" content="寧波視頻監(jiān)控系統(tǒng)CCTV價(jià)格,cctv監(jiān)控系統(tǒng)"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta 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href="http://www.cdcfah.com/cp/second-aqfh_afjksb/">安防監(jiān)控設(shè)備</a>?<a href="http://www.cdcfah.com/cp/third-afjksb_jcjkxt/">集成監(jiān)控系統(tǒng)</a>?寧波視頻監(jiān)控系統(tǒng)CCTV價(jià)格上海翊皖船舶設(shè)備供應(yīng)</p><div id="q7eyuwt" class="leftbox clearfix"><h1>寧波視頻監(jiān)控系統(tǒng)CCTV價(jià)格上海翊皖船舶設(shè)備供應(yīng)</h1><div id="gtfmypb" class="proBig"><div id="m3u4k72" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/yiwanchuanbo/637423537790475520/6556988.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="za8djvh" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/yiwanchuanbo/637423537790475520/6556988.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="uhoah3t" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>寧波視頻監(jiān)控系統(tǒng)CCTV價(jià)格,cctv監(jiān)控系統(tǒng)</p><p><span>***更新：</span>2021-02-02 00:24:38</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="2ti8uy2" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海翊皖船舶設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>徐慶華</p><p><span>郵箱: </span>hc_automation@163.com</p><p><span>電話: </span>13917998260</p><p><span>傳真: </span>021_58461662</p><p><span>網(wǎng)址: </span>http://www.sh-yiwan.cn</p><p><span>手機(jī): </span>021-58361662</p><p><span>地址: </span>中國(上海)自由貿(mào)易試驗(yàn)區(qū)張楊路828-838號26樓</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="mnu3riu" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="vdpwdrd" class="box"><p><p style="text-indent:25px">CCTV監(jiān)控系統(tǒng)發(fā)展歷史：第二代視頻監(jiān)控：當(dāng)前“模擬-數(shù)字”監(jiān)控系統(tǒng)（DVR）：“模擬-數(shù)字”監(jiān)控系統(tǒng)是以數(shù)字硬盤錄像機(jī)DVR為中心半模擬-半數(shù)字方案，從攝像機(jī)到DVR仍采用同軸纜輸出視頻信號，通過DVR同時(shí)支持錄像和回放，并可支持有限IP網(wǎng)絡(luò)訪問，由于DVR產(chǎn)品五花八門，寧波視頻監(jiān)控系統(tǒng)CCTV價(jià)格，寧波視頻監(jiān)控系統(tǒng)CCTV價(jià)格，沒有標(biāo)準(zhǔn)，所以這一代系統(tǒng)是非標(biāo)準(zhǔn)封閉系統(tǒng)，DVR系統(tǒng)仍存在大量局限：復(fù)雜布線“模擬-數(shù)字”方案仍需要在每個(gè)攝像機(jī)上安裝單獨(dú)視頻纜，導(dǎo)致布線復(fù)雜性，寧波視頻監(jiān)控系統(tǒng)CCTV價(jià)格。有限可擴(kuò)展性DVR典型限制是一次較多只能擴(kuò)展16個(gè)攝像機(jī)。有限可管理性仍需要外部服務(wù)器和管理軟件來控制多個(gè)DVR或監(jiān)控點(diǎn)?？梢酝ㄟ^遙控?cái)z像機(jī)及其輔助設(shè)備（鏡頭、云臺等）直接觀看被監(jiān)視場所的一切情況。寧波視頻監(jiān)控系統(tǒng)CCTV價(jià)格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波視頻監(jiān)控系統(tǒng)CCTV價(jià)格,cctv監(jiān)控系統(tǒng)" src="https://tyunfile.71360.com/UploadFile/yiwanchuanbo/637423537790475520/6556988.png"></div><p style="text-indent:25px">CCTV監(jiān)控系統(tǒng)以監(jiān)控中心管理平臺為中心的第三代全數(shù)字化遠(yuǎn)程視頻集中監(jiān)控系統(tǒng)。該視頻監(jiān)控系統(tǒng)總體架構(gòu)建設(shè)以視頻監(jiān)控系統(tǒng)建設(shè)為基礎(chǔ)，主要分為前端電視監(jiān)控系統(tǒng)、**網(wǎng)絡(luò)傳輸系統(tǒng)、指揮監(jiān)控系統(tǒng)、控管平臺、存儲系統(tǒng)等五大部分，其中監(jiān)控中心管理平臺是管理中心。隨著安全意識的增強(qiáng)，視頻監(jiān)控系統(tǒng)也慢慢的走入我們尋常百姓家。視頻監(jiān)控方案也是層出不窮，那么在安裝監(jiān)控系統(tǒng)中又有哪些原則需要遵守的呢?安裝監(jiān)控系統(tǒng)首先要考慮以下監(jiān)控安裝原則：1、實(shí)時(shí)性：監(jiān)控系統(tǒng)實(shí)時(shí)性，這點(diǎn)尤為重要。也正是由于監(jiān)控系統(tǒng)的實(shí)時(shí)性才顯得監(jiān)控系統(tǒng)是那么的必要。2、安全性：監(jiān)控系統(tǒng)具有安全防范和保密措施，防止非法侵入系統(tǒng)及非法操作。3、可擴(kuò)展性：監(jiān)控系統(tǒng)設(shè)備采用模塊化結(jié)構(gòu)，系統(tǒng)能夠在監(jiān)控規(guī)模、監(jiān)控對象、或監(jiān)控要求等發(fā)生變更時(shí)方便靈活的在硬件和軟件上進(jìn)行擴(kuò)展，即不需要改變網(wǎng)絡(luò)的結(jié)構(gòu)和主要的軟硬件設(shè)備。寧波視頻監(jiān)控系統(tǒng)CCTV價(jià)格中、大型監(jiān)控系統(tǒng)：此類系統(tǒng)看起來比較復(fù)雜，其實(shí)可以看成是多個(gè)簡易型的系統(tǒng)串在一了起。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波視頻監(jiān)控系統(tǒng)CCTV價(jià)格,cctv監(jiān)控系統(tǒng)" src="https://tyunfile.71360.com/UploadFile/yiwanchuanbo/637423537835983343/1942194.png"></div><p style="text-indent:25px">CCTV監(jiān)控系統(tǒng)以硬盤錄像機(jī)為中心的第二代準(zhǔn)數(shù)字化視頻監(jiān)控系統(tǒng)。與傳統(tǒng)的模擬監(jiān)控模式相比，基于數(shù)字硬盤錄像機(jī)的準(zhǔn)數(shù)字化視頻監(jiān)控系統(tǒng)不亞于一次飛躍。在道路監(jiān)控應(yīng)用中，數(shù)字硬盤錄像機(jī)放置在道路監(jiān)控前端和攝像機(jī)相連，可以對視頻源信號進(jìn)行模擬/數(shù)字轉(zhuǎn)化壓縮后在本地硬盤錄像，并可以通過城市里的電信數(shù)據(jù)網(wǎng)絡(luò)或其它網(wǎng)絡(luò)通道上傳到監(jiān)控中心，擺脫了傳統(tǒng)模擬監(jiān)控必須敷設(shè)光纜的局限性，使系統(tǒng)結(jié)構(gòu)大為簡化。但是，由于其本身技術(shù)架構(gòu)的局限性，數(shù)字硬盤錄像機(jī)始終無法解決基于網(wǎng)絡(luò)的遠(yuǎn)程集中監(jiān)控應(yīng)用中的圖像傳輸延時(shí)過長、無法實(shí)現(xiàn)多路同時(shí)監(jiān)控、集成性差等問題。</p><p style="text-indent:25px">高清網(wǎng)絡(luò)監(jiān)控系統(tǒng)如何選擇交換機(jī)：接入層交換機(jī)的選擇：條件 1、交換機(jī)的背板帶寬，如選擇 24 **換機(jī)，自帶二個(gè) 1000M 口，總共 26 口，則接入層的交換機(jī)背板帶寬要求為：(24*100M*2+1000*2*2)/1000=8.8Gbps 的背板帶寬。條件2、包轉(zhuǎn)發(fā)率：一個(gè) 1000M 口的包轉(zhuǎn)發(fā)率為 1.488Mpps/s, 則接入層的交換機(jī)交換速率為：(24*100M/1000M+2)*1.488=6.55Mpps/S 通常我們將滿足條件 1和 2的交換機(jī)稱之為線速交換機(jī) ，如 H3C S1026T 就滿足線速交換能力，具有 24 個(gè)100M 端口，2 個(gè) 1000M 電口。根據(jù)以上條件得出：當(dāng)有 20 路 720P 攝像機(jī)接入一個(gè)交換機(jī)是，此交換機(jī)必須具有 1個(gè) 1000M 上傳口，20 個(gè)以上的 100M 接入端口。解碼器則用來完成對攝像機(jī)鏡頭，全方面云臺的總線控制。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波視頻監(jiān)控系統(tǒng)CCTV價(jià)格,cctv監(jiān)控系統(tǒng)" src="https://tyunfile.71360.com/UploadFile/yiwanchuanbo/637435704606215910/5469375.png"></div><p style="text-indent:25px">CCTV監(jiān)控系統(tǒng)中硬盤錄像機(jī)的功能實(shí)現(xiàn)：基于PC結(jié)構(gòu)的準(zhǔn)嵌入式硬盤錄像機(jī)。雖然M-JPEG的壓縮效率不如基于多幀預(yù)測編碼的MPEG-1、MPEG-4及H.264等的壓縮格式高，但由于在單通道輪換采集多路視頻時(shí)，相繼幀的畫面失去了相關(guān)性（根本不是同一個(gè)攝像機(jī)攝取的畫面），因而采用基于幀間預(yù)測的視頻壓縮算法就失去了意義，只能采用幀內(nèi)壓縮算法。因此，這種方式的硬盤錄像機(jī)是對采集的每一幀畫面**地進(jìn)行JPEG壓縮處理，而后將對應(yīng)于每一路輸入的各幀畫面形成**的M-JPEG文件。這種方式顯然可以方便地實(shí)現(xiàn)多路采集，例如，在不考慮錄像畫面的連續(xù)性要求時(shí)，就可以方便容納多達(dá)16路的視頻輸入，但是對于只能以25幀/s的速率對視頻信號進(jìn)行采集的視頻處理芯片來說，無論有多少路視頻信號輪流切換到其輸入端，其25幀/s的“總資源”是不能變的，因此對這種形式的硬盤錄像機(jī)來說，每路畫面的較大平均幀率*為25/16=1.56幀/s（理想值）。用戶能調(diào)看任意一個(gè)畫面和遙控操作任意一臺有遙控功能攝像機(jī)的云臺和變焦功能。寧波視頻監(jiān)控系統(tǒng)CCTV價(jià)格</p><p style="text-indent:25px">電視監(jiān)控系統(tǒng)還可以與防盜報(bào)警系統(tǒng)等其他安全技術(shù)防范體系聯(lián)動行動。寧波視頻監(jiān)控系統(tǒng)CCTV價(jià)格</p><p style="text-indent:25px">較全監(jiān)控系統(tǒng)是將前述定點(diǎn)監(jiān)控系統(tǒng)中的定焦鏡頭換成電動變焦鏡頭，并增加可上下左右運(yùn)動的較全云臺（云臺內(nèi)部有兩個(gè)電動機(jī)），使每個(gè)監(jiān)視點(diǎn)的攝像機(jī)可以進(jìn)行上下左右的掃視，其所配鏡頭的焦距也可在一定范圍內(nèi)變化（監(jiān)視場景可拉遠(yuǎn)或推進(jìn)）。很顯然，云臺及電動鏡頭的動作需要由控制器或與系統(tǒng)主機(jī)配合的解碼器來控制。較簡單的較全監(jiān)控系統(tǒng)與較簡單的定點(diǎn)監(jiān)控系統(tǒng)相比，在前端增加了一個(gè)較全云臺及電動變焦鏡頭，在控制室增加了一臺控制器，如SP3801，另外從前端到控制室還需多布設(shè)一條多芯（10芯或12芯）控制電纜。以某小型制衣廠的監(jiān)控系統(tǒng)為例，在其制衣車間安裝了兩臺較全攝像機(jī)，在廠長辦公室內(nèi)配置了一臺普通電視機(jī)、一臺切換器和兩臺控制器，當(dāng)廠長需要了解車間情況時(shí)，只需通過切換器選定某一臺攝像機(jī)的畫面，并通過操作控制器使攝像機(jī)對整個(gè)監(jiān)控現(xiàn)場進(jìn)行掃視，也可以對某個(gè)局部進(jìn)行定點(diǎn)監(jiān)視。寧波視頻監(jiān)控系統(tǒng)CCTV價(jià)格</p><p style="text-indent:25px">上海翊皖船舶設(shè)備有限公司是一家我司主要從事船舶設(shè)備的安裝、維修、倉儲（除危險(xiǎn)化學(xué)品），特別擅長解決主機(jī)遙控的各種問題。從事船舶技術(shù)領(lǐng)域內(nèi)的技術(shù)開發(fā)，技術(shù)轉(zhuǎn)讓，技術(shù)服務(wù)，技術(shù)咨詢，從事貨物及技術(shù)的進(jìn)出口業(yè)務(wù)，以下限分支機(jī)構(gòu)經(jīng)營：船舶設(shè)備制造、加工。的公司，致力于發(fā)展為創(chuàng)新務(wù)實(shí)、誠實(shí)可信的企業(yè)。上海翊皖擁有一支經(jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團(tuán)隊(duì)，以高度的專注和執(zhí)著為客戶提供主機(jī)遙控修理，監(jiān)測報(bào)警系統(tǒng)修理，船舶電機(jī)維修，閥門遙控修理。上海翊皖始終以本分踏實(shí)的精神和必勝的信念，影響并帶動團(tuán)隊(duì)取得成功。上海翊皖始終關(guān)注機(jī)械及行業(yè)設(shè)備行業(yè)。滿足市場需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3114057.html</p></div></div></div></div></div><div id="gsz8rya" class="page-right twoColRt"><div id="tryfriu" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="bubi38h" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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