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type="text/css"></style> <div id="ct" class="ct2 wp cl"> <div class="mn"> <div class="bm_haa cl"> <div class="bm_h cl"> <a href="http://www.oecr.com/portal.php?mod=rss&catid=57" class="y xi2 rss" target="_blank" title="RSS">订阅</a><h1 class="xs2">文章</h1> </div></div> <div class="kjkjb"> <div class="bm vw" style="margin-bottom:0;"> <div class="h hm"> <div class="zxtoux"><img src="http://www.oecr.com/uc_server/avatar.php?uid=54876&size=small" /></div> <h1 class="ph">激光夜视技术的发展误区和未来趋势 </h1> <p class="xg1"> 时间：2016-2-24 16:19<a class="zz" href="home.php?mod=space&uid=54876">作者：update</a> 阅读<em id="_viewnum">(1323)</em> 评论: <a href="http://www.oecr.com/portal.php?mod=comment&id=4076&idtype=aid" title="查看全部评论"><em id="_commentnum">5</em></a></p> <div class="zxfb" ><a href="http://www.oecr.com/portal.php?mod=rss&catid=57" class="y xi2 rss" target="_blank" title="RSS">订阅</a></div> </div> <!--[diy=diysummarytop]--><div id="diysummarytop" class="area"></div><!--[/diy]--> <div class="s"> <div class="ss"><div><span>导读： </span>夜视监控是指摄像机在夜晚或低照度的环境下呈现较为清晰的目标画面，该技术借助于光电成像器件实现夜间对目标的监控观察。夜视技术主要分为主动红外技术、被动红外技术、微光夜视技术。普通红外摄像机，价格便宜，市 ...</div> </div> <!--[diy=diysummarybottom]--><div id="diysummarybottom" class="area"></div><!--[/diy]--> <div class="d"> <!--[diy=diycontenttop]--><div id="diycontenttop" class="area"></div><!--[/diy]--> <table cellpadding="0" cellspacing="0" class="vwtb"><tr><td id="article_content"><div style="text-align: center;"> <a href="data/attachment/portal/201602/24/161937tsbq40lh7mexl7s1.jpg" target="_blank" style="line-height: 1.8em;"><img src="data/attachment/portal/201602/24/161937tsbq40lh7mexl7s1.jpg"></a></div><div> 夜视监控是指摄像机在夜晚或低照度的环境下呈现较为清晰的目标画面，该技术借助于光电成像器件实现夜间对目标的监控观察。夜视技术主要分为主动红外技术、被动红外技术、微光夜视技术。<span style="line-height: 1.8em;">普通红外摄像机，价格便宜，市场普及程度高，主要用于小区监视，楼道监视以及一些短距离小范围需要夜视监控的场所。同时也由于<a href="http://b.oecr.com/sell" target="_blank" class="relatedlink">产品</a>进入的门槛较低，鱼龙混杂，产品品质良莠不齐。由于技术本身的<a href="http://theory.oecr.com" target="_blank" class="relatedlink">物理</a>限制，使得常见的LED红外灯的照射距离很难突破100米。这些问题都需要通过<a href="http://laser.oecr.com" target="_blank" class="relatedlink">激光</a>夜视技术的推广来解决。</span></div><div><span style="line-height: 1.8em;"><br></span></div><div> 激光夜视仪是采用810-980可见波段和不可见波段作为<a href="http://light.oecr.com" target="_blank" class="relatedlink">照明</a>，然后由感红外摄像机成像，可以看清任何肉眼可见事物。红外热成像是利用红外直接成像只能看到热量成像，只能看见轮廓不能分清，但是可以穿透一定厚度的障碍物。</div><div><br></div><div> 激光夜视技术发展至今走过一段漫长的道路，已经取得不俗的成就，但人们对激光夜视技术还是存在着一定的误解，如何突破传统枷锁，打破人们对激光夜视技术的认知误区，已经成为激光夜视领域发展道路的重要难题。</div><div><span style="line-height: 1.8em;"><br></span></div><div><span style="line-height: 1.8em;"> 人们对激光夜视的传统观念需要改变，除了传统的激光产品给人留下的缺陷外，也有部分对激光的误解。认为激光对人体有辐射伤害等，其实激光在人们生活中随处可见，比如激光复印机、打印机，超市收银台上的激光扫描器等，都已证明对人体无伤害，而且效果好，寿命长。</span><span style="line-height: 1.8em;">激光是点状光源，在没有经过处理的情况，对人是有影响的，如要成为产品都需经过匀化扩束处理，使能量分布在一个比较大的范围内，单位面积的激光能量非常小，自然对人没有任何影响。</span></div><div><br></div><div> 目前还出现一种新说法，认为激光在扩束过程中，速度较慢，需要经过4~5秒的时间，影响正常使用。这也是对激光使用上的误解，为保证激光器的使用寿命，一般激光产品都有<a href="http://electronic.oecr.com" target="_blank" class="relatedlink">电路</a>延时启动，激光灯根据照明距离的远近都需要1~5秒的启动时间，并非激光扩束需要这么长的时间。</div><div><br></div><div> 激光夜视仪拥有特有的高清镜片组超匀化和光功率控制技术，达到极佳的照明效果，能够在夜间全黑状态下高清晰成像。数字化照明角度控制技术和激光角度与成像倍率匹配算法，使得镜头拉近目标的同时，激光智能自动跟随，以最佳的角度和照度<a href="http://display.oecr.com" target="_blank" class="relatedlink">显示</a>目标物，跟踪响应时间<30ms。独立光敏控制，保证摄像机的彩转黑与激光开关精确同步，根据外部光亮程度自动开启和关闭激光夜视功能。可搭配360度高精度云台，实现全方位监控。</div><div><br></div><div> 由于红外灯摄像机占据大量的市场份额，人们对新兴的激光摄像机还不够了解。激光监控摄像机的问世，解决了红外灯摄像机存在的不足，那么激光监控摄像机相对于红外摄像机有哪些优势呢?</div><div><br></div><div> 首先，激光的成像距离较远、清晰度较高。红外灯摄像机在夜间虽能看到图像，但往往看不清。另外，普通红外摄像机监控距离非常有限，在一些要求严格的安防监控场所是不可行的。激光监控摄像机则不同，它可以无视光线强弱，通过激光红外部件以及超低照度光元件，即使在完全黑暗的环境下也能够实现百米级和千米级夜视，同时成像比较清晰。超远的补光照射距离，轻松搭配各种长焦镜头，弥补了红外灯摄像机即使搭配了长焦镜头也只能近距离成像的窘境，实现了真正的远距离昼夜全天候成像。</div><div><br></div><div> 其次，激光监控摄像机的寿命长。激光监控摄像机寿命是普通红外灯摄像机的3倍。在需要24小时监控的环境下，激光监控摄像机占有绝对的优势。再次，激光监控摄像机可自动调节镜头焦距。不少激光监控摄像机具有一定的智能功能，它可以根据物体的远近和移动速度自动调节镜头的长短，以便提供清晰的图像质量。</div><div><br></div><div> 同时，激光摄像机还具有低碳绿色功能。传统的红外灯摄像机散热量很大，消耗的电力多，而且内部热量散发不出来，造成机身过热，严重影响了监控摄像机中的<a href="http://electronic.oecr.com" target="_blank" class="relatedlink">电子</a>元器件的寿命，而激光监控摄像机彻底解决了这个隐患。</div><div><br></div><div> 在对比中才能发现优势，夜视视频监控技术也需要在对比中发现“黑马”和优秀产品，从价格和技术来看，夜视视频监控技术具有强大的技术优势和质量优势，随着未来应用的逐渐深入，将掀起安防监控行业的变革巨浪。</div><div style="text-align: center;"><p><a href="data/attachment/portal/201602/24/160346hlhh6hhlaia2he1i.jpg" target="_blank"><img src="data/attachment/portal/201602/24/160346hlhh6hhlaia2he1i.jpg"></a></p><p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋体;font-size:10.5000pt;mso-font-kerning:0.0000pt;">欢迎关注光电<a href="http://news.oecr.com" target="_blank" class="relatedlink">资讯</a>微信公众号，每天将由光电工程师<a href="http://club.oecr.com" target="_blank" class="relatedlink">社区</a>网站(oecr.com)编辑团队为您精选行业动态，科技资讯，技术解析，光电<a href="http://www.oecr.com/portal.php?mod=list&catid=62" target="_blank" class="relatedlink">科普</a>等精彩内容。</span></p></div></td></tr></table> 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id="comment_4366_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(4366, '4076');">引用</a> </span> <a href="http://club.oecr.com/space-uid-85780.html" class="xi2 xw1" c="1">fm458704</a> <span class="xg1 xw0">2016-2-25 09:02</span> </dt> <dd>光电产业发展的很迅速。</dd> </dl><a name="comment_anchor_4361"></a> <dl id="comment_4361_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(4361, '4076');">引用</a> </span> <a href="http://club.oecr.com/space-uid-53699.html" class="xi2 xw1" c="1">wukong505</a> <span class="xg1 xw0">2016-2-25 08:32</span> </dt> <dd>顶起出售广告位</dd> </dl><a name="comment_anchor_4360"></a> <dl id="comment_4360_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(4360, '4076');">引用</a> </span> <a href="http://club.oecr.com/space-uid-50120.html" class="xi2 xw1" c="1">urchin</a> <span class="xg1 xw0">2016-2-25 08:02</span> </dt> <dd>路过，顶下。</dd> </dl><a name="comment_anchor_4352"></a> <dl id="comment_4352_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(4352, '4076');">引用</a> </span> <a href="http://club.oecr.com/space-uid-122087.html" class="xi2 xw1" c="1">hxjxsb</a> <span class="xg1 xw0">2016-2-25 04:32</span> </dt> <dd>还是学生呢，我很感兴趣。</dd> </dl></div> </div> <!--[diy=diycontentcomment]--><div id="diycontentcomment" class="area"></div><!--[/diy]--> </div> <div class="sd pph"> <div class="drag"> <!--[diy=diyrighttop]--><div id="diyrighttop" class="area"><div id="frameZRVHza" class="sy_ltdr frame move-span cl frame-1"><div class="frame-title title"><span class="titletext">社区成员推荐</span></div><div id="frameZRVHza_left" class="column frame-1-c"><div id="frameZRVHza_left_temp" class="move-span temp"></div><div id="portal_block_905" class="cl_block_bm block move-span"><div 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