蘇州車輛監(jiān)控?cái)z像頭無(wú)錫漣源信息技術(shù)供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="監(jiān)控?cái)z像頭的表現(xiàn)力選擇鏡頭時(shí)很多人首先注意的是這款鏡頭的成像銳度如何，蘇州車輛監(jiān)控?cái)z像頭。照片的用途決定了需要什么樣銳度的鏡頭。高價(jià)不錯(cuò)鏡頭主要供專業(yè)攝影師使用，如果只是一般攝影，就沒(méi)必要花很多錢(qián)購(gòu)買(mǎi)高價(jià)不錯(cuò)鏡頭，蘇州車輛監(jiān)控?cái)z像頭。另外，"><meta name="keywords" content="蘇州車輛監(jiān)控?cái)z像頭,監(jiān)控?cái)z像頭"><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/third-afjksb_jksxj/">監(jiān)控?cái)z像機(jī)</a>?蘇州車輛監(jiān)控?cái)z像頭無(wú)錫漣源信息技術(shù)供應(yīng)</p><div id="oikegs7" class="leftbox clearfix"><h1>蘇州車輛監(jiān)控?cái)z像頭無(wú)錫漣源信息技術(shù)供應(yīng)</h1><div id="7ulvczr" class="proBig"><div id="3tv2n7a" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxlianyuan/637363064187099609/9057952.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="mbdnzbn" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxlianyuan/637363064187099609/9057952.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ujqn82g" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>蘇州車輛監(jiān)控?cái)z像頭,監(jiān)控?cái)z像頭</p><p><span>***更新：</span>2020-12-29 06:13:02</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="3gnzypw" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">無(wú)錫漣源信息技術(shù)有限公司</a></p><p><span>聯(lián)系人：</span>馮鍇</p><p><span>郵箱: </span>fengkai@wxlyit.com</p><p><span>電話: </span>17714552857</p><p><span>傳真: </span>0510_</p><p><span>網(wǎng)址: </span>http://wxlyit.com</p><p><span>手機(jī): </span>0510-83705180</p><p><span>地址: </span>會(huì)西路30-23號(hào)3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="h3h7xmo" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="kjlikm7" class="box"><p><p style="text-indent:25px">監(jiān)控?cái)z像頭的表現(xiàn)力選擇鏡頭時(shí)很多人首先注意的是這款鏡頭的成像銳度如何，蘇州車輛監(jiān)控?cái)z像頭。照片的用途決定了需要什么樣銳度的鏡頭。高價(jià)不錯(cuò)鏡頭主要供專業(yè)攝影師使用，如果只是一般攝影，就沒(méi)必要花很多錢(qián)購(gòu)買(mǎi)高價(jià)不錯(cuò)鏡頭，蘇州車輛監(jiān)控?cái)z像頭。另外，鏡頭的成像銳度還和光圈大小有直接關(guān)系，當(dāng)一款鏡頭從較大光圈縮小一兩檔之后成像銳度會(huì)大幅度提高?；兪怯社R頭光學(xué)性能引起的一種光學(xué)現(xiàn)象，每款鏡頭都不可能不存在畸變，廠家在生產(chǎn)鏡頭時(shí)都對(duì)畸變進(jìn)行了修正，力求把畸變控制在較低程度。一般來(lái)說(shuō)鏡頭畸變主要有三種:變焦鏡頭廣角端容易產(chǎn)生的桶型畸變、望遠(yuǎn)端容易出現(xiàn)的枕型畸變和對(duì)廣角端桶型畸變進(jìn)行修正后所產(chǎn)生的斗笠型畸變，蘇州車輛監(jiān)控?cái)z像頭。鏡頭現(xiàn)狀來(lái)說(shuō)，較突出的問(wèn)題是廣角端的桶型畸變，選購(gòu)時(shí)要盡可能選擇桶型畸變小的款式。監(jiān)控?cái)z像頭的表現(xiàn)力選擇鏡頭時(shí)很多人首先注意的是這款鏡頭的成像銳度如何。蘇州車輛監(jiān)控?cái)z像頭</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州車輛監(jiān)控?cái)z像頭,監(jiān)控?cái)z像頭" src="https://tyunfile.71360.com/UploadFile/wxlianyuan/637363064187099609/9057952.png"></div><p style="text-indent:25px">監(jiān)控?cái)z像機(jī)鏡頭焦距:監(jiān)控?cái)z像頭的焦距指的是鏡頭和感光元件之間的距離。鏡頭的放大倍數(shù)約等于焦距與物距之比。也就是說(shuō)，隨著監(jiān)控?cái)z像頭焦距的增加，放大倍數(shù)增加，可以將近景拉遠(yuǎn)，遠(yuǎn)景細(xì)節(jié)更清晰，反之，成立。分類:監(jiān)控?cái)z像頭可以依據(jù)鏡頭的大小或者光圈分類，選購(gòu)時(shí)根據(jù)需求可以選擇不同類別的監(jiān)控?cái)z像頭。感光能力想提高監(jiān)控?cái)z像頭采集圖像的清晰度，就必須提高攝像頭內(nèi)攝像機(jī)的感光能力，CCD的感光元件是CMOS的3到10倍，因此可以更好的進(jìn)行感光，獲得光信號(hào)，然后轉(zhuǎn)為電信號(hào)，較后經(jīng)過(guò)處理后成為視頻信號(hào)輸出或儲(chǔ)存。蘇州車輛監(jiān)控?cái)z像頭感光能力想提高監(jiān)控?cái)z像頭采集圖像的清晰度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州車輛監(jiān)控?cái)z像頭,監(jiān)控?cái)z像頭" src="https://tyunfile.71360.com/UploadFile/wxlianyuan/637363064379023437/3699090.png"></div><p style="text-indent:25px">無(wú)線監(jiān)控?cái)z像頭連接電腦的使用方法監(jiān)控?cái)z像頭上應(yīng)連接電源線和視頻線，視頻線的另一端連接到視頻采集卡上。視頻線盡量用好一些的專業(yè)視頻線，學(xué)名叫同軸電纜。也可用網(wǎng)線代替，但效果不如視頻線清晰。硬盤(pán)容量要足夠大，因?yàn)橐粋€(gè)攝像頭一天錄像約需3G，若要保存一個(gè)月的圖像資料，加上電腦本身的需要，單攝像頭至少需要160G以上容量的硬盤(pán)，多攝像頭和保存較長(zhǎng)時(shí)間的話，可采用1T或2T的硬盤(pán)。若要遠(yuǎn)程監(jiān)控的話，要選購(gòu)可以遠(yuǎn)程監(jiān)控的視頻采集卡，使用時(shí)臺(tái)式電腦要聯(lián)網(wǎng)，手機(jī)里要安裝一個(gè)客戶端，就能在任何地方，在手機(jī)里看到監(jiān)控畫(huà)面了。</p><p style="text-indent:25px">監(jiān)控?cái)z像頭的優(yōu)點(diǎn)：(1)、網(wǎng)絡(luò)監(jiān)控?cái)z像頭的管理系統(tǒng)，便于對(duì)遠(yuǎn)程巡視監(jiān)看管理和控制，而不損壞攝像機(jī)數(shù)據(jù)。(2)、可以做特技效果，利用攝像帶錄像機(jī)的特點(diǎn)重放時(shí)可以快動(dòng)作、慢動(dòng)作，也可以停像。(3)、可以重復(fù)多次使用磁帶劣錄像磁帶，若無(wú)保留價(jià)值就可抹去再錄新節(jié)目。磁帶的重復(fù)使用，較大降低了播出節(jié)目的成本。(4)、攝像數(shù)據(jù)的節(jié)目可以長(zhǎng)期保存若用電影膠片長(zhǎng)期保存節(jié)目，彩色會(huì)退色。但是磁帶只要不被再磁化和消磁就可以長(zhǎng)期保存。如果用數(shù)字化磁帶錄像機(jī)那就更不怕雜波干擾了，即使經(jīng)過(guò)多次復(fù)制，節(jié)目質(zhì)量仍然很好。監(jiān)控?cái)z像機(jī)鏡頭安裝有C型和CS型兩種。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州車輛監(jiān)控?cái)z像頭,監(jiān)控?cái)z像頭" src="https://tyunfile.71360.com/UploadFile/wxlianyuan/637363064301201172/9335938.png"></div><p style="text-indent:25px">監(jiān)控?cái)z像頭相關(guān)名詞解釋 (1)分辨率:監(jiān)控?cái)z像頭使用中的分辨率指的是屏幕水平方向和垂直方向所顯示的點(diǎn)數(shù)。分辨率越高的監(jiān)控?cái)z像頭，拍攝出的圖像就越清晰。 (2)清晰度:監(jiān)控?cái)z像頭的清晰度用線來(lái)表示，分為水平線和垂直線，線數(shù)越多，清晰度越高，成像就越清晰。 (3)信噪比:指的是監(jiān)控?cái)z像頭中信號(hào)電頻與雜波電頻之比，常用DB來(lái)表示。信噪比越高監(jiān)控?cái)z像頭越好，圖像信號(hào)越好，即圖像越清晰。 (4)白平衡:白平衡是描述顯示器中紅、綠、藍(lán)三基色混合生成后白色精確度的一項(xiàng)指標(biāo)。通過(guò)調(diào)整監(jiān)控?cái)z像頭內(nèi)攝像機(jī)的白平衡，可以提高畫(huà)面色彩質(zhì)量。(5)背光補(bǔ)償:當(dāng)攝像機(jī)處于逆光環(huán)境中拍攝時(shí)，畫(huà)面會(huì)出現(xiàn)黑色的圖像。這對(duì)于24小時(shí)工作的監(jiān)控?cái)z像機(jī)是不能存在的弊端，這時(shí)就需要背光補(bǔ)償。當(dāng)具備了背光補(bǔ)償功能時(shí)，攝像機(jī)如果檢測(cè)到拍攝圖像一個(gè)區(qū)域中的視頻電平比較低，就會(huì)提高輸出視頻信號(hào)的幅值，使圖像清晰。監(jiān)控?cái)z像頭黑屏什么原因？無(wú)錫小區(qū)監(jiān)控?cái)z像頭廠家報(bào)價(jià)</p><p style="text-indent:25px">監(jiān)控?cái)z像頭的安裝流程：信號(hào)線不能與大功率電力線平行，更不能穿在同一管內(nèi)。蘇州車輛監(jiān)控?cái)z像頭</p><p style="text-indent:25px">應(yīng)依據(jù)監(jiān)控?cái)z像機(jī)到被監(jiān)視目標(biāo)的距離，來(lái)選擇定焦鏡頭(Fixed Focal Lens)的焦距。從焦距上區(qū)分有短焦距廣角鏡頭、中焦距標(biāo)準(zhǔn)鏡頭、長(zhǎng)焦距遠(yuǎn)鏡頭。鏡頭焦距通常用 f 值來(lái)表示，鏡頭光圈一般用F表示，F(xiàn)取值以鏡頭的焦距/和通光孔徑d的比值來(lái)衡量，F(xiàn)=f/d，每個(gè)鏡頭上均標(biāo)有其較大的F值。2)監(jiān)控?cái)z像機(jī)的鏡頭規(guī)格應(yīng)與監(jiān)控?cái)z像機(jī)CCD靶面尺寸(1/2"為6.4hX4.8υ、1/3"為4.8hX3.6υ、1/4"為3.2hX2.4υ)相對(duì)應(yīng)。如果鏡頭尺寸與監(jiān)控?cái)z像機(jī)CCD靶面尺寸不一致時(shí)，觀察角度將不符合設(shè)計(jì)要求，或者發(fā)生畫(huà)面在焦點(diǎn)以外等問(wèn)題。3)監(jiān)控?cái)z像機(jī)的水平視覺(jué)度數(shù)及垂直視覺(jué)度數(shù)與監(jiān)控?cái)z像機(jī)CCD靶面尺寸hXυ及鏡頭焦距f之間有如下關(guān)系:水平視覺(jué)度數(shù)=2arctan (h/2f);垂直視覺(jué)度數(shù)=2arctan (υ/2f)。蘇州車輛監(jiān)控?cái)z像頭</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2611797.html</p></div></div></div></div></div><div id="swi2o3r" class="page-right twoColRt"><div id="8vhoqxz" class="box01 margin10 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