江蘇彩色亮度計(jì)定儀服務(wù)至上深圳市茂迪機(jī)電設(shè)備供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="亮度計(jì)使Ls垂直照射光電池E=I/r2，改變r(jià)可得不同照度下的光電流值，由E與i的對(duì)應(yīng)關(guān)系將電流刻度轉(zhuǎn)換為照度刻度。亮度計(jì)利用光強(qiáng)標(biāo)準(zhǔn)燈,在近似點(diǎn)光源的工作距離下,改變光電池與標(biāo)準(zhǔn)燈的距離l,記錄下各個(gè)距離下的電流計(jì)的讀數(shù),由距離平方反比定"><meta name="keywords" content="江蘇彩色亮度計(jì)定儀,亮度計(jì)"><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 name="baidu-site-verification" 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href="JavaScript:;" data-type="product" class="active">產(chǎn)品</a><a href="JavaScript:;" data-type="member" class="">公司</a><a href="JavaScript:;" data-type="article" class="">資訊</a><a href="JavaScript:;" data-type="exhibition" class="">展會(huì)</a></div><div id="hvpw489" class="clearfix searchWrap"><div id="hfe72ve" class="searchInput"><input type="text" name="keywords" placeholder="請(qǐng)輸入搜索關(guān)鍵詞" id="kd"><a href="javascript:void(0)" class="searchBtn" id="search">搜索</a></div></div></div></div></header><nav class="navbox"><div id="ih8vcjl" class="container"><ul><li id = "index_index"><a href="http://www.cdcfah.com/"><span>首頁</span></a></li><li id = "index_company"><a ><span>企業(yè)名錄</span></a></li><li id = "index_product"><a href="http://www.cdcfah.com/cp/"><span>產(chǎn)品供應(yīng)</span></a></li><li id = "index_news"><a href="http://www.cdcfah.com/zx/"><span>新聞資訊</span></a></li><li id = "index_article"><a href="http://www.cdcfah.com/xw/"><span>行業(yè)資訊</span></a></li><li id = "index_show"><a href="http://www.cdcfah.com/zh/"><span>展會(huì)信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="gpzdmtf" class="twoCol"><div id="kjwonjv" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/second-_yiqiyibiao/">儀器儀表</a>?<a href="http://www.cdcfah.com/cp/third-yiqiyibiao_jdsyb/">基地式儀表</a>?江蘇彩色亮度計(jì)定儀服務(wù)至上深圳市茂迪機(jī)電設(shè)備供應(yīng)</p><div id="7x8btah" class="leftbox clearfix"><h1>江蘇彩色亮度計(jì)定儀服務(wù)至上深圳市茂迪機(jī)電設(shè)備供應(yīng)</h1><div id="fog2uls" class="proBig"><div id="mv7ne77" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szmdjd/637343339470693359/7318683.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="zxug8v7" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szmdjd/637343339470693359/7318683.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="px8dfz8" 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>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>江蘇彩色亮度計(jì)定儀,亮度計(jì)</p><p><span>***更新：</span>2020-09-15 09:10:22</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="veahwxe" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市茂迪機(jī)電設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>黃富強(qiáng)</p><p><span>郵箱: </span>fuqiang.huang@maodi.net</p><p><span>電話: </span>13509625980</p><p><span>傳真: </span>0755_</p><p><span>網(wǎng)址: </span>http://www.maodi.net</p><p><span>手機(jī): </span>0755-83280136</p><p><span>地址: </span>深南大道6006號(hào)華豐大廈2803、2804</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="pyvxzln" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="7keqs8e" class="box"><p><p style="text-indent:25px">亮度計(jì)使Ls垂直照射光電池E=I/r2，改變r(jià)可得不同照度下的光電流值，由E與i的對(duì)應(yīng)關(guān)系將電流刻度轉(zhuǎn)換為照度刻度。亮度計(jì)利用光強(qiáng)標(biāo)準(zhǔn)燈,在近似點(diǎn)光源的工作距離下,改變光電池與標(biāo)準(zhǔn)燈的距離l,記錄下各個(gè)距離下的電流計(jì)的讀數(shù),由距離平方反比定律E=I/r2計(jì)算光照度E,由此可以得到一系列不同照度的光電流值i,作光電流i與照度E的變化曲線,即為照度計(jì)的定標(biāo)曲線由此可對(duì)照度計(jì)表盤進(jìn)行分度即為照度計(jì)的定標(biāo)。光電池和電流計(jì)更換時(shí)需重新定標(biāo);照度計(jì)使用一段時(shí)間后應(yīng)對(duì)照度計(jì)重新進(jìn)行定標(biāo)(一般一年內(nèi)應(yīng)檢定1-2次);高精度的照度計(jì)可用光強(qiáng)標(biāo)準(zhǔn)燈進(jìn)行檢定;擴(kuò)大照度計(jì)的定標(biāo)量程可改變距離r，江蘇彩色亮度計(jì)定儀，江蘇彩色亮度計(jì)定儀,也可選用不同的標(biāo)準(zhǔn)燈，江蘇彩色亮度計(jì)定儀,選用小量程的電流計(jì)。亮度計(jì)被用來當(dāng)作測(cè)定FPD及光源的亮度、色度的標(biāo)準(zhǔn)測(cè)定機(jī)。江蘇彩色亮度計(jì)定儀</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇彩色亮度計(jì)定儀,亮度計(jì)" src="https://tyunfile.71360.com/UploadFile/szmdjd/637343339470693359/7318683.png"></div><p style="text-indent:25px">亮度計(jì)兩維的亮度空間分布L(x,y) 是一個(gè)與人眼視覺系統(tǒng)相關(guān)的物理量。然而，在大燈測(cè)試評(píng)價(jià)領(lǐng)域，人們更加關(guān)心照度值。所以，必須進(jìn)行必要的光度學(xué)轉(zhuǎn)換。入射的光通量中的一部分被反射表面所反射（反射率ρ），另外的被吸收，反射部分可以是鏡面反射，也可以是漫反射，也可以是二者混合。如果反射是理想的漫反射，則亮度值L就與光束的方向無關(guān)，換種說法，即不同的測(cè)試方向得到的亮度值與該處的照度值E(x,y).的比值為一固定常數(shù)。如果一個(gè)反射表面滿足完全漫反射條件，就可以通過圖像解析的亮度測(cè)試技術(shù)直接得到空間的照度分布。江蘇彩色亮度計(jì)定儀亮度計(jì)此方法測(cè)量光源的光譜發(fā)射度，并使用與肉眼靈敏度相符的光譜靈敏度特性曲線(等色函數(shù))進(jìn)行計(jì)算。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇彩色亮度計(jì)定儀,亮度計(jì)" src="https://tyunfile.71360.com/UploadFile/szmdjd/637343339499990234/8255608.png"></div><p style="text-indent:25px">亮度計(jì)對(duì)于汽車前燈測(cè)試來講，通常會(huì)用25米距離的照度分布來計(jì)算其光強(qiáng)分布。這種方法主要是將被測(cè)試的光源放在一個(gè)可以在J,j方向進(jìn)行轉(zhuǎn)動(dòng)的角度計(jì)上，來得到照度分布。為了快速得到一個(gè)可靠的測(cè)試結(jié)果，間接法快速配光測(cè)試的較佳測(cè)試距離采用10米。根據(jù)之前的描述，通過投影墻上的亮度分布可以得到照度分布?？梢园凑?qǐng)D5的要求建立暗室，對(duì)房間進(jìn)行定標(biāo)，包含：空間位置校正、光學(xué)校正、雜散光校正。經(jīng)過這些校正，結(jié)合亮度計(jì)在室內(nèi)的位置、前燈到墻的距離、前燈的高度等來計(jì)算各種光學(xué)量的空間分布：投影幕墻上的照度分布，球面坐標(biāo)下的照度分布 (例如r = 25 m)，光強(qiáng)分布，以及在路面上的水平或垂直方向的照度分布。</p><p style="text-indent:25px">亮度計(jì)因其精度高，可用作顯示屏測(cè)量與檢驗(yàn)的基準(zhǔn)機(jī)，用以驗(yàn)證二維色彩亮度計(jì)在測(cè)量背光模組或顯示屏的亮度與色度準(zhǔn)確性。點(diǎn)式亮度計(jì)存在間隔取點(diǎn)測(cè)量時(shí)間長(zhǎng)，在測(cè)量時(shí)往往隨著測(cè)量點(diǎn)增加而耗時(shí)過長(zhǎng)。而且點(diǎn)式色彩亮度計(jì)不能對(duì)整體區(qū)域的發(fā)光情況做分析，特別是對(duì)整個(gè)發(fā)光面的Mura（不均勻性）分析不夠完整。亮度計(jì)則可以提升背光模組或整塊顯示屏的檢測(cè)效率，特別是在量產(chǎn)檢測(cè)過程中，需要對(duì)每批次的樣品檢測(cè)，只需要拍攝樣品圖片即可后期對(duì)樣品發(fā)光情況分析。不但提升了檢測(cè)效率，還能對(duì)整體的發(fā)光情況了解，更便利研發(fā)與在線檢測(cè)的使用。采用二維色彩亮度計(jì)在保證測(cè)量位置垂直樣品無仰角的情況下，測(cè)量數(shù)據(jù)與分光型的點(diǎn)式亮度計(jì)的測(cè)量數(shù)據(jù)接近，從而驗(yàn)證了二維色彩亮度計(jì)的可用性。亮度計(jì)高動(dòng)態(tài)范圍，高速亮度和色度測(cè)量，精確測(cè)量。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇彩色亮度計(jì)定儀,亮度計(jì)" src="https://tyunfile.71360.com/UploadFile/szmdjd/637343339566201171/6011077.png"></div><p style="text-indent:25px">亮度計(jì)這個(gè)校準(zhǔn)操作保存的文件就是LSC文件（Light Sensor Calibration file）。當(dāng)依次完成2D、3D的Scope和Flat LSC校準(zhǔn)后，需要在相應(yīng)通道分別調(diào)用，這樣才被該通道說使用，依次完成所校準(zhǔn)的文件調(diào)入到相應(yīng)的marco通道中。因LSC文件校準(zhǔn)是基于調(diào)節(jié)燈電流下完成。為了切換通道后，亮度測(cè)量值能夠保持校準(zhǔn)時(shí)的燈電流調(diào)節(jié)數(shù)值，需要在相應(yīng)通道的宏編輯器中對(duì)“光輸出模式”進(jìn)行設(shè)置，填入目標(biāo)亮度時(shí)的調(diào)節(jié)燈電流數(shù)值，保存。按照此方法，將所有調(diào)節(jié)的通道，進(jìn)行保存。操作完成后，當(dāng)影院技術(shù)人員進(jìn)行切換通道時(shí)，都會(huì)自動(dòng)按照原預(yù)定的燈電流大小及亮度輸出值執(zhí)行。用 MAX232來完成 TTL-RS232電平轉(zhuǎn)換，實(shí)現(xiàn)亮度計(jì)與計(jì)算機(jī)的數(shù)據(jù)交換。遼寧分布亮度計(jì)品牌</p><p style="text-indent:25px">亮度計(jì)裝上照度接口（選配件）后，還能測(cè)LED背光、LED照明器具及顯示器的亮度、色度以及色溫度特性。江蘇彩色亮度計(jì)定儀</p><p style="text-indent:25px">成像亮度計(jì)可十分方便地進(jìn)行亮度均勻度等分析測(cè)試，具有測(cè)量速度快和準(zhǔn)確度高等特點(diǎn)，被普遍應(yīng)用于顯示屏，照明工程、指示燈等各種場(chǎng)合。在對(duì)光進(jìn)行測(cè)試時(shí)，必須注意，只能讓被測(cè)量的光進(jìn)入光接收信號(hào)件（LMK 成像亮度計(jì)），否則，光源在任意表面產(chǎn)生的反射光都有可能進(jìn)入光接收信號(hào)，從而使得測(cè)試結(jié)果偏離。所有非測(cè)試需要的光統(tǒng)稱為雜散光，反應(yīng)在亮度圖像上，可以在全部或局部增加亮度，在本測(cè)試項(xiàng)目中，雜散光對(duì)暗區(qū)影響，導(dǎo)致亮度值增大，實(shí)際上，在該區(qū)域，亮度應(yīng)該更弱，甚至完全沒有強(qiáng)度信號(hào)。這樣就影響了然后的測(cè)試結(jié)果。實(shí)際測(cè)試發(fā)現(xiàn)，在對(duì)比度超過1：200的情況下，與真實(shí)值的偏離將非常嚴(yán)重，而且，圖像的對(duì)比度將會(huì)降低。江蘇彩色亮度計(jì)定儀</p><p style="text-indent:25px">深圳市茂迪機(jī)電設(shè)備有限公司是一家一般經(jīng)營(yíng)項(xiàng)目是：儀器儀表、通訊器材、機(jī)械設(shè)備、五金工具的購銷、技術(shù)維護(hù)、信息咨詢；國(guó)內(nèi)貿(mào)易；貨物與技術(shù)的進(jìn)出口業(yè)務(wù)。（法律、行政法規(guī)、國(guó)**決定禁止的項(xiàng)目除外，限制的項(xiàng)目須取得許可后方可經(jīng)營(yíng)），許可經(jīng)營(yíng)項(xiàng)目是：儀器儀表、通訊器材、機(jī)械設(shè)備、五金工具的安裝、維修。的公司，是一家集研發(fā)、設(shè)計(jì)、生產(chǎn)和銷售為一體的專業(yè)化公司。深圳茂迪作為一般經(jīng)營(yíng)項(xiàng)目是：儀器儀表、通訊器材、機(jī)械設(shè)備、五金工具的購銷、技術(shù)維護(hù)、信息咨詢；國(guó)內(nèi)貿(mào)易；貨物與技術(shù)的進(jìn)出口業(yè)務(wù)。（法律、行政法規(guī)、國(guó)**決定禁止的項(xiàng)目除外，限制的項(xiàng)目須取得許可后方可經(jīng)營(yíng)），許可經(jīng)營(yíng)項(xiàng)目是：儀器儀表、通訊器材、機(jī)械設(shè)備、五金工具的安裝、維修。的企業(yè)之一，為客戶提供良好的電能質(zhì)量分析儀，功率分析儀，亮度計(jì)，色差儀。深圳茂迪繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長(zhǎng)，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。深圳茂迪始終關(guān)注儀器儀表行業(yè)。滿足市場(chǎng)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/1289958.html</p></div></div></div></div></div><div id="7of2w8l" 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