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id="favatar374182" class="pls favatar"> <div class="pi"> <div class="authi"><a href="http://club.oecr.com/space-uid-12679.html" target="_blank" class="xw1" style="color: #FF99FF">yanxiao</a> </div> </div> <div class="p_pop blk bui card_gender_" id="userinfo374182" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo374182_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-12679.html" target="_blank" class="xi2" style="color: #FF99FF">yanxiao</a></strong> <em>当前离线</em> </div><dl class="cl"> <dt>积分</dt><dd><a href="http://club.oecr.com/home.php?mod=space&uid=12679&do=profile" target="_blank" class="xi2">621</a></dd> </dl><div class="imicn"> <a href="http://club.oecr.com/home.php?mod=space&uid=12679&do=profile" target="_blank" title="查看详细资料"><img src="static/image/common/userinfo.gif" alt="查看详细资料" /></a> <a href="http://club.oecr.com/home.php?mod=magic&mid=showip&idtype=user&id=yanxiao" id="a_showip_li_374182" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/showip.small.gif" alt="" /> IP卡</a> <a href="http://club.oecr.com/home.php?mod=magic&mid=checkonline&idtype=user&id=yanxiao" id="a_repent_374182" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/checkonline.small.gif" alt="" /> 狗仔卡</a> </div> <div id="avatarfeed"><span id="threadsortswait"></span></div> </div> </div> <div> <div class="avatar"><a href="http://club.oecr.com/space-uid-12679.html" class="avtm" target="_blank"><img src="http://www.oecr.com/uc_server/avatar.php?uid=12679&size=middle" /></a></div> </div> </div> </td> <td class="plc"> <div class="pi"> <div id="fj" class="y"> <label class="z">电梯直达</label> <input type="text" class="px p_fre z" size="2" onkeyup="$('fj_btn').href='forum.php?mod=redirect&ptid=59797&authorid=0&postno='+this.value" onkeydown="if(event.keyCode==13) {window.location=$('fj_btn').href;return false;}" title="跳转到指定楼层" /> <a href="javascript:;" 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class="show">阅读模式</a> </div> </div> </div><div class="pct"><style type="text/css">.pcb{margin-right:0}</style><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_374182"> 请问CCD灰度分辨率？谢谢<br /> 如果灰度变化范围很少，如从240-244，那么在CCD能够分辨出来吗？即人眼通过CCD是否能够分辨出来吗？能分辨的最小范围一般由什么决定。人眼能分辨的灰度级在50-60，也即差不多需要64灰度时人眼能够分辨。请问CCD（黑白的）灰度分辨率是由什么决定的？比方如下参数的CCD能够分辨的最小灰度范围。对CCD不懂，不知道是否表达清楚<br /> <br /> Sensor: 1/3" IT CCD, 768(H) x 494(V)<br /> Resolution: Horizontal: 570 TVL<br /> Vertical: 350 TVL<br /> Signal to Noise: 57 db<br /> Gain Range: >18db<br /> Enhancement: 0db to +8db @ 5MHz.<br /> Electronic Exposure Range: 1/60 to 1/50,000 sec.<br /> Minimum Illumination: 0.007 lux for 20% video out<br /> (w/ f/1.2 lens) (No IR Filter)<br /> Back Focus Adjustment: ± 1.9mm<br /> Lens Mount: "CS" or "C" (with adapter)<br /> Input Power: +12VDC @ 200mA<br /> Dimensions: 2&frac14;"(W) x 2&frac12;"(H) x 5"(L)<br /> Weight: 1 lb.<br /> Operating Temperature: 0&ordm;C to +40&ordm;C</td></tr></table> </div> <div id="comment_374182" class="cm"> </div> <div id="post_rate_div_374182"></div> </div> </div> </td></tr> <tr><td class="plc plm"> <div id="p_btn" class="mtw mbm hm cl"> <a href="http://club.oecr.com/home.php?mod=spacecp&ac=favorite&type=thread&id=59797&formhash=2fe88d7d" id="k_favorite" onclick="showWindow(this.id, this.href, 'get', 0);" onmouseover="this.title = $('favoritenumber').innerHTML + ' 人收藏'" title="收藏本帖"><i><img src="static/image/common/fav.gif" alt="收藏" />收藏<span id="favoritenumber" style="display:none">0</span></i></a> <a class="followp" href="home.php?mod=spacecp&ac=follow&op=relay&tid=59797&from=forum" onclick="showWindow('relaythread', this.href, 'get', 0);" title="转播求扩散"><i><img src="static/image/common/rt.png" alt="转播" />转播</i></a> <a class="sharep" href="home.php?mod=spacecp&ac=share&type=thread&id=59797" onclick="showWindow('sharethread', this.href, 'get', 0);" title="分享推精华"><i><img src="static/image/common/oshr.png" alt="分享" 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/>抢沙发</a></li> <li><a href="http://club.oecr.com/home.php?mod=magic&mid=jack&idtype=tid&id=59797" id="a_jack" onclick="showWindow(this.id, this.href)"><img src="static/image/magic/jack.small.gif" />千斤顶</a></li> <li><a href="http://club.oecr.com/home.php?mod=magic&mid=namepost&idtype=pid&id=374182:59797" id="a_namepost_374182" onclick="showWindow(this.id, this.href)"><img src="static/image/magic/namepost.small.gif" />显身卡</a><li> </ul> <script type="text/javascript" reload="1">checkmgcmn('post_374182')</script> </div> </div> </td> </tr> <tr class="ad"> <td class="pls"> </td> <td class="plc"> </td> </tr> </table> </div><div class="postaaa posta1" id="post_379486" ><table id="pid379486" class="plhin" summary="pid379486" cellspacing="0" cellpadding="0"> <tr> <td class="pls" rowspan="2"> <div id="favatar379486" class="pls favatar"> <div class="pi"> <div class="authi"><a href="http://club.oecr.com/space-uid-60063.html" target="_blank" class="xw1" style="color: #33CC00">CTMD</a> </div> </div> <div class="p_pop blk bui card_gender_" id="userinfo379486" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo379486_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-60063.html" target="_blank" class="xi2" style="color: #33CC00">CTMD</a></strong> <em>当前离线</em> </div><dl class="cl"> <dt>积分</dt><dd><a href="http://club.oecr.com/home.php?mod=space&uid=60063&do=profile" target="_blank" class="xi2">157</a></dd> </dl><div class="imicn"> <a href="http://club.oecr.com/home.php?mod=space&uid=60063&do=profile" target="_blank" title="查看详细资料"><img src="static/image/common/userinfo.gif" alt="查看详细资料" /></a> <a href="http://club.oecr.com/home.php?mod=magic&mid=showip&idtype=user&id=CTMD" id="a_showip_li_379486" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/showip.small.gif" alt="" /> IP卡</a> <a href="http://club.oecr.com/home.php?mod=magic&mid=checkonline&idtype=user&id=CTMD" id="a_repent_379486" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/checkonline.small.gif" alt="" /> 狗仔卡</a> </div> <div id="avatarfeed"><span id="threadsortswait"></span></div> </div> </div> <div> <div class="avatar"><a href="http://club.oecr.com/space-uid-60063.html" class="avtm" target="_blank"><img src="http://www.oecr.com/uc_server/avatar.php?uid=60063&size=middle" /></a></div> </div> </div> </td> <td class="plc"> <div class="pi"> <strong> <a href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&ptid=59797&pid=379486" id="postnum379486" onclick="setCopy(this.href, '帖子地址复制成功');return false;"> <em>2</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon379486" src="static/image/common/online_member.gif" /> <em id="authorposton379486">发表于 2007-10-7 16:59:23</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=59797&page=1&authorid=60063" rel="nofollow">只看该作者</a> </div> </div> </div><div class="pct"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_379486"> 看不懂啊,没办法</td></tr></table> </div> <div id="comment_379486" class="cm"> </div> <div id="post_rate_div_379486"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition379486"></tr> <tr> <td class="pls"></td> <td class="plc" style="overflow:visible;"> <div class="po hin"> <div class="pob cl"> <em> <a class="fastre" href="forum.php?mod=post&action=reply&fid=121&tid=59797&repquote=379486&extra=page%3D1&page=1" onclick="showWindow('reply', this.href)">回复</a> <a class="replyadd" href="forum.php?mod=misc&action=postreview&do=support&tid=59797&pid=379486&hash=2fe88d7d" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_support_379486').innerHTML ? $('review_support_379486').innerHTML : 0) + ' 人 支持'">支持 <span id="review_support_379486"></span></a> <a 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<tr class="ad"> <td class="pls"> </td> <td class="plc"> </td> </tr> </table> </div><div class="postaaa posta2" id="post_399040" ><table id="pid399040" class="plhin" summary="pid399040" cellspacing="0" cellpadding="0"> <tr> <td class="pls" rowspan="2"> <div id="favatar399040" class="pls favatar"> <a name="lastpost"></a><div class="pi"> <div class="authi"><a href="http://club.oecr.com/space-uid-41187.html" target="_blank" class="xw1" style="color: #FFCCCC">laserlx</a> </div> </div> <div class="p_pop blk bui card_gender_" id="userinfo399040" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo399040_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-41187.html" target="_blank" class="xi2" style="color: #FFCCCC">laserlx</a></strong> <em>当前离线</em> </div><dl class="cl"> <dt>积分</dt><dd><a href="http://club.oecr.com/home.php?mod=space&uid=41187&do=profile" target="_blank" class="xi2">584</a></dd> </dl><div class="imicn"> <a href="http://club.oecr.com/home.php?mod=space&uid=41187&do=profile" target="_blank" title="查看详细资料"><img src="static/image/common/userinfo.gif" alt="查看详细资料" /></a> <a href="http://club.oecr.com/home.php?mod=magic&mid=showip&idtype=user&id=laserlx" id="a_showip_li_399040" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/showip.small.gif" alt="" /> IP卡</a> <a href="http://club.oecr.com/home.php?mod=magic&mid=checkonline&idtype=user&id=laserlx" id="a_repent_399040" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/checkonline.small.gif" alt="" /> 狗仔卡</a> </div> <div id="avatarfeed"><span id="threadsortswait"></span></div> </div> </div> <div> <div class="avatar"><a href="http://club.oecr.com/space-uid-41187.html" class="avtm" target="_blank"><img src="http://www.oecr.com/uc_server/avatar.php?uid=41187&size=middle" /></a></div> </div> </div> </td> <td class="plc"> <div class="pi"> <strong> <a href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&ptid=59797&pid=399040" id="postnum399040" onclick="setCopy(this.href, '帖子地址复制成功');return false;"> <em>3</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon399040" src="static/image/common/online_member.gif" /> <em id="authorposton399040">发表于 2007-11-14 10:28:20</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=59797&page=1&authorid=41187" rel="nofollow">只看该作者</a> </div> </div> </div><div class="pct"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_399040"> 这个是由CCD的制造厂家决定的，一般你可以提要求</td></tr></table> </div> <div id="comment_399040" class="cm"> </div> <div id="post_rate_div_399040"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition399040"></tr> <tr> <td class="pls"></td> <td class="plc" style="overflow:visible;"> 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