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來源：<span>http://www.marketresearchvista.com</span> 點擊：<span><script src="http://www.marketresearchvista.com/data/include/newshits.php?id=244"></script></span> </h3> <div class="share">  <div class="bdsharebuttonbox"> <a href="#" class="bds_more" data-cmd="more"></a> <a href="#" class="bds_qzone" data-cmd="qzone"></a> <a href="#" class="bds_tsina" data-cmd="tsina"></a> <a href="#" class="bds_tqq" data-cmd="tqq"></a> <a href="#" class="bds_renren" data-cmd="renren"></a> <a href="#" class="bds_weixin" data-cmd="weixin"></a> </div> <script> window._bd_share_config={"common":{"bdSnsKey":{},"bdText":"","bdMini":"2","bdPic":"","bdStyle":"0","bdSize":"16"},"share":{},"image":{"viewList":["qzone","tsina","tqq","renren","weixin"],"viewText":"分享到：","viewSize":"16"},"selectShare":{"bdContainerClass":null,"bdSelectMiniList":["qzone","tsina","tqq","renren","weixin"]}};with(document)0[(getElementsByTagName('head')[0]||body).appendChild(createElement('script')).src='http://bdimg.share.baidu.com/static/api/js/share.js?v=89860593.js?cdnversion='+~(-new Date()/36e5)]; </script>  </div> </div> <div class="content"><p> 主流監控攝像機的感光元件采用CCD元件，實際上就是光電轉換元件。和以前的CMOS感光元件相比，CCD的感光度是CMOS的3到10倍，因此CCD芯片可以接受到更多的光信號，轉換為電信號后，經視頻處理電路濾波、放大形成視頻信號輸出。接受到的光信號越強，視頻信號的幅值就越大。視頻信號連接到;監視器或電視機的視頻輸入端便可以看到視頻圖像。提高圖像清晰的根本就在于提高攝像機的感光能力。</p><p> 但是隨著技術的發展，在低端應用（比如百萬等級以下的相機、攝像頭、可視電話）方面CMOS已經憑借低成本和不弱于同級CCD的高性能牢牢占據了主流地位，而且就攝像頭產品而言，Z好的CMOS SENSOR如HY 7131E的成像質量（包括清晰度/色彩還原等方面）比早期的CCD SENSOR更勝一籌！從硬件角度講，相同像素情況下SENSOR的面積自然越大越好，這種差異在弱光情況下表現得尤其明顯。（無論對于CCD還是CMOS均是如此，這也是高端DC十分強調CCD大小的根本原因所在）.</p><p> 鏡頭是由透鏡組成，攝像頭的鏡頭一般是由玻璃鏡片或者塑料鏡片組成的。玻璃鏡頭能獲得比塑料鏡頭更清晰的影像。這是因為光線穿過普通玻璃鏡片通常只有5%～9%的光損失，而塑料鏡片的光損失高達11%～20%。有些鏡頭還采用了多層光學鍍膜技術，有效減少了光的折射并過濾雜波，提高了通光率，從而獲得更清晰影像。</p><p style="text-align: center"><img src="/data/upload/image/20170216/1487206682591013.jpg" title="?？怂箶z像頭" alt="?？怂箶z像頭" width="300" height="287" border="0" vspace="0" style="width: 300px; height: 287px;"/><br/></p><p><br/></p></div> <h3 class="tag">相關標簽：<a href="http://www.marketresearchvista.com/tag/%E7%A6%8F%E5%85%8B%E6%96%AF%E6%91%84%E5%83%8F%E5%A4%B4">?？怂箶z像頭</a> </h3> <div class="page">上一篇：<a href="http://www.marketresearchvista.com/news/242.html">網絡高清攝像頭分辨率不受明確的限制</a><br />下一篇：<span><a href="http://www.marketresearchvista.com/news/245.html">網絡高清攝像頭具有無可比擬的優勢</a></span></div> </div> <div class="relateproduct relate"><h4>Z近瀏覽：</h4> <div class="content"> <ul id="relate_n" class="news_list clearfix"> </ul> </div> </div>  <div 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