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clearfix"><h1>無(wú)錫大幅面專業(yè)掃描儀報(bào)價(jià) 值得信賴上海中晶科技供應(yīng)</h1><div id="pdl9h7d" class="proBig"><div id="j9dn9zp" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shzjkj/637406217191744339/57227.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="hfv7p5r" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shzjkj/637406217191744339/57227.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="nvlthl9" 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>無(wú)錫大幅面專業(yè)掃描儀報(bào)價(jià),專業(yè)掃描儀</p><p><span>***更新：</span>2021-01-20 05:12:21</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="d99lrpn" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海中晶科技有限公司</a></p><p><span>聯(lián)系人：</span>陳曄</p><p><span>郵箱: </span>1062183170@qq.com</p><p><span>電話: </span>18917768521</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.microtek.com.cn</p><p><span>手機(jī): </span>021-64856614</p><p><span>地址: </span>桂平路680號(hào)35號(hào)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="7rx7v5j" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="3rhx7bz" class="box"><p><p style="text-indent:25px">掃描儀的性能指標(biāo)：1.掃描速度：即掃描一定的圖像所需要的時(shí)間。通常將掃描文件的速度達(dá)每分鐘100頁(yè)的稱為高速掃描儀；60—100頁(yè)的稱為中速掃描儀；20—60頁(yè)的稱為低速掃描儀。由于掃描儀是一個(gè)對(duì)光線敏感的設(shè)備，它的工作需要給予一定的曝光時(shí)間，要保證掃描圖像的品質(zhì)，必須要有足夠的曝光時(shí)間，這樣，掃描儀的工作速度不僅取決于設(shè)計(jì)結(jié)構(gòu)，無(wú)錫大幅面專業(yè)掃描儀報(bào)價(jià)，亦與掃描儀的用途有關(guān)。因此，無(wú)錫大幅面專業(yè)掃描儀報(bào)價(jià)，無(wú)錫大幅面專業(yè)掃描儀報(bào)價(jià)，專業(yè)掃描儀注重的是掃描品質(zhì)，以及掃描驅(qū)動(dòng)軟件所能提供的正確校正功能。2.掃描幅面：即掃描對(duì)象的較大尺寸，主要為A3和A4兩種。掃描儀的性能指標(biāo)：灰度級(jí)。無(wú)錫大幅面專業(yè)掃描儀報(bào)價(jià)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無(wú)錫大幅面專業(yè)掃描儀報(bào)價(jià),專業(yè)掃描儀" src="https://tyunfile.71360.com/UploadFile/shzjkj/637406217191744339/57227.png"></div><p style="text-indent:25px">滾筒式掃描儀的感光器件是光電倍增管，其光學(xué)分辨率可達(dá)1000～8000dpi，色彩位數(shù)為24—48位。與CCD和CIS相比，不管是靈敏度，還是噪聲系數(shù)．光電倍增管的性能都遙遙帶領(lǐng)于其他感光器件。而且其輸出信號(hào)在相當(dāng)大的范圍上保持著高度的線性輸出，幾乎不用做任何修正就可獲得很好的色彩還原，因此采用光電倍增管的掃描儀要比其他掃描儀貴得多。同時(shí)，因?yàn)楣怆姳对龉軖呙鑳x一次只能掃描一個(gè)像素，所以這種掃描儀掃描的速度較慢。較高密度范圍不同：滾筒掃描儀的較高密度可達(dá)4.0，而一般中低檔平板掃描儀只有3.0左右。因而滾筒掃描儀在暗調(diào)的地方可以掃出更多細(xì)節(jié)，并提高了圖像的對(duì)比度。無(wú)錫大幅面專業(yè)掃描儀報(bào)價(jià)雙平臺(tái)文檔掃描儀的特點(diǎn)：做到“一鍵式”掃描，將便捷進(jìn)行到底，從而令工作效率進(jìn)一步提升。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無(wú)錫大幅面專業(yè)掃描儀報(bào)價(jià),專業(yè)掃描儀" src="https://tyunfile.71360.com/UploadFile/shzjkj/637406217351695553/8571724.png"></div><p style="text-indent:25px">掃描儀的基本原理及組成部件：CIS的中文名稱是接觸式圖像感應(yīng)裝置。它采用觸點(diǎn)式感光元件（光敏傳感器）進(jìn)行感光，在掃描平臺(tái)下1mm～2mm處，300～600個(gè)紅、綠、藍(lán)三色LED（發(fā)光二極管）傳感器緊緊排列在一起，產(chǎn)生白色光源，取代了CCD掃描儀中的CCD陣列、透鏡、熒光管和冷陰極射線管等復(fù)雜機(jī)構(gòu)，把CCD掃描儀的光、機(jī)、電一體變成CIS掃描儀的機(jī)、電一體。用CIS技術(shù)制作的掃描儀具有體積小、重量輕、生產(chǎn)成本低等優(yōu)點(diǎn)，但CIS技術(shù)也有不足之處，主要是用CIS不能做成高分辨率的掃描儀，掃描速度也比較慢。對(duì)掃描儀而言，光源是非常重要的，因?yàn)楦泄馄骷纤惺艿降墓饩€，全部來(lái)自于掃描儀自身的燈管。光源不純或者偏色，會(huì)直接影響到掃描結(jié)果。例如再商場(chǎng)里看好了一件衣服，可是等到拿回家卻發(fā)現(xiàn)衣服的顏色與在商場(chǎng)里看到的顏色似乎不太一樣。這是因?yàn)楣庠醋兞耍覀兛吹降慕Y(jié)果自然有所不同。</p><p style="text-indent:25px">膠片掃描儀又稱為底片掃描儀，主要是掃描各種透明膠片，一般的膠片掃描儀光學(xué)分辨率很高。功能優(yōu)劣：能制作較高質(zhì)量的相片圖像，圖像格式轉(zhuǎn)換方便；就是功能單一，為專業(yè)人士使用。選購(gòu)要點(diǎn)：推薦選擇支持掃描圖片格式多的，分辨率應(yīng)當(dāng)達(dá)到3600dpi越高越好，色彩深度在24位往上，才能保證處理圖像的效果好。膠片掃描儀如何設(shè)置掃描效果？一般來(lái)說(shuō)，專業(yè)的掃描儀驅(qū)動(dòng)都能夠調(diào)整圖像的色彩、亮度，這樣也能夠使掃描出的圖像效果達(dá)到較佳。因此，用戶在使用膠片掃描儀時(shí)，要盡量熟悉該項(xiàng)調(diào)整工具的各個(gè)功能，例如對(duì)于曝光不足的照片，可以使用照片調(diào)整一下圖片亮度;而對(duì)與圖片有偏色的照片來(lái)說(shuō)，則可使用曲線調(diào)整工具對(duì)圖像色彩加以調(diào)整。按應(yīng)用范圍，可分為底片掃描儀、3D掃描儀，工程圖紙掃描儀、實(shí)物掃描儀、條形碼掃描儀等等。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無(wú)錫大幅面專業(yè)掃描儀報(bào)價(jià),專業(yè)掃描儀" src="https://tyunfile.71360.com/UploadFile/shzjkj/637406217300523767/4837442.png"></div><p style="text-indent:25px">掃描儀種類：目前市面上掃描儀的種類有很多，其都有著各自的優(yōu)缺點(diǎn)和作用。下面科力普辦公就來(lái)說(shuō)說(shuō)各種類型的掃描儀的優(yōu)缺點(diǎn)都有哪些。平臺(tái)式掃描儀優(yōu)點(diǎn)：掃描速度快捷，質(zhì)量好，是較常見(jiàn)的掃描儀。缺點(diǎn)：體積大，而且限制掃描文件的面積。一般為A4紙的大小。滾筒式掃描儀優(yōu)點(diǎn)：豎立設(shè)計(jì)，能處理各種大小的文件。缺點(diǎn)：較平臺(tái)式慢，價(jià)格比平臺(tái)式掃描儀較貴，而且擺放要比較小心。相片掃描儀優(yōu)點(diǎn)：圖像質(zhì)量高，是數(shù)碼相機(jī)的代替品。缺點(diǎn)：價(jià)格昂貴，而且只能處理相片。底片掃描儀又稱膠片掃描儀。無(wú)錫大幅面專業(yè)掃描儀報(bào)價(jià)</p><p style="text-indent:25px">掃描儀的作用：將印刷好的文本掃描輸入到文字處理軟件中，免去重新打字之麻煩。無(wú)錫大幅面專業(yè)掃描儀報(bào)價(jià)</p><p style="text-indent:25px">掃描儀的基本原理及組成部件：CCD的優(yōu)勢(shì)在于，經(jīng)它掃描的圖像質(zhì)量較高，具有一定的景深，能掃描凹凸不平的物體；溫度系數(shù)較低，對(duì)于一般的工作，周圍環(huán)境溫度的變化可以忽略不計(jì)。CCD的缺點(diǎn)有：由于組成CCD的數(shù)千個(gè)光電三極管的距離很近（微米級(jí)），在各光電三極管之間存在著明顯的漏電現(xiàn)象，各感光單元的信號(hào)產(chǎn)生的干擾降低了掃描儀的實(shí)際清晰度；由于采用了反射鏡、透鏡，會(huì)產(chǎn)生圖像色彩偏差和像差，需要用軟件校正；由于CCD需要一套精密的光學(xué)系統(tǒng)，故掃描儀體積難以做得很小。無(wú)錫大幅面專業(yè)掃描儀報(bào)價(jià)</p></p><br /><p>文章來(lái)源地址: 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