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class="authi"><a href="http://club.oecr.com/space-uid-70212.html" target="_blank" class="xw1" style="color: #0033CC">sliang456</a> </div> </div> <div class="p_pop blk bui card_gender_" id="userinfo453264" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo453264_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-70212.html" target="_blank" class="xi2" style="color: #0033CC">sliang456</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=70212&do=profile" target="_blank" class="xi2">68</a></dd> </dl><div class="imicn"> <a href="http://club.oecr.com/home.php?mod=space&uid=70212&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=sliang456" id="a_showip_li_453264" class="xi2" onclick="showWindow(this.id, this.href)"><img 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src="static/image/common/fj_btn.png" alt="跳转到指定楼层" class="vm" /></a> </div> <strong> <a href="http://bbs.oecr.com/thread-70088-1-1.html" id="postnum453264" onclick="setCopy(this.href, '帖子地址复制成功');return false;"> <em>1</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon453264" src="static/image/common/online_member.gif" /> <em id="authorposton453264">发表于 2008-5-17 10:16:40</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=70088&page=1&authorid=70212" rel="nofollow">只看该作者</a> <span class="none"><img src="static/image/common/arw_r.gif" class="vm" alt="回帖奖励" /></span> <span class="pipe show">|</span><a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=70088&extra=&ordertype=1" class="show">倒序浏览</a> <span class="pipe show">|</span><a href="javascript:;" onclick="readmode($('thread_subject').innerHTML, 453264);" 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_453264"> <br /> <br /> 由一点发出的许多光线经光学系统后，因像差使其与像面的交点不再集中于同一点，<br /> 而形成了一个散布在一定范围的弥散图形，称为点列图。这些像差包括球差、彗差、像散、<br /> 场曲、畸变等影响，这些像差在点列图中各有什么特征呢？<br /> 彗差的非对称性好判断，其他像差请指教，<br /> <br /> <br /> <br /> <br /> </td></tr></table> </div> <div id="comment_453264" class="cm"> </div> <div id="post_rate_div_453264"></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=70088&formhash=95f892b0" 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" 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</div><div class="postaaa posta1" id="post_453426" ><table id="pid453426" class="plhin" summary="pid453426" cellspacing="0" cellpadding="0"> <tr> <td class="pls" rowspan="2"> <div id="favatar453426" class="pls favatar"> <div class="pi"> <div class="authi"><a href="http://club.oecr.com/space-uid-67242.html" target="_blank" class="xw1" style="color: #FF99FF">guanchuchu</a> </div> </div> <div class="p_pop blk bui card_gender_" id="userinfo453426" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo453426_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-67242.html" target="_blank" class="xi2" style="color: #FF99FF">guanchuchu</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=67242&do=profile" target="_blank" class="xi2">1297</a></dd> </dl><div class="imicn"> <a href="http://club.oecr.com/home.php?mod=space&uid=67242&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=guanchuchu" id="a_showip_li_453426" 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=guanchuchu" id="a_repent_453426" 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-67242.html" class="avtm" target="_blank"><img src="http://www.oecr.com/uc_server/avatar.php?uid=67242&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=70088&pid=453426" id="postnum453426" 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="authicon453426" src="static/image/common/online_member.gif" /> <em id="authorposton453426">发表于 2008-5-17 22:11:22</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=70088&page=1&authorid=67242" 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_453426"> <br /> <br /> 我认为点列图中只能体现球差、彗差，但一般而言，好的系统，弥散癍很小。要看以上几种相差，在垂轴相差曲线中有明确的体现。例如，曲线与纵轴包围的面积体现弥散斑的大小，两端点连线与纵轴的交点表示系统的彗差大小等<br /> <br /> <br /> <br /> <br /> </td></tr></table> </div> <div id="comment_453426" class="cm"> </div> <div id="post_rate_div_453426"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition453426"></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=3&tid=70088&repquote=453426&extra=&page=1" onclick="showWindow('reply', this.href)">回复</a> <a class="replyadd" href="forum.php?mod=misc&action=postreview&do=support&tid=70088&pid=453426&hash=95f892b0" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_support_453426').innerHTML ? $('review_support_453426').innerHTML : 0) + ' 人 支持'">支持 <span id="review_support_453426"></span></a> <a class="replysubtract" href="forum.php?mod=misc&action=postreview&do=against&tid=70088&pid=453426&hash=95f892b0" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_against_453426').innerHTML ? $('review_against_453426').innerHTML : 0) + ' 人 反对'">反对 <span id="review_against_453426"></span></a> </em> <p> <a href="javascript:;" id="mgc_post_453426" onmouseover="showMenu(this.id)" class="showmenu">使用道具</a> <a href="javascript:;" 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</div> <div class="p_pop blk bui card_gender_" id="userinfo454343" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo454343_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-70212.html" target="_blank" class="xi2" style="color: #0033CC">sliang456</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=70212&do=profile" target="_blank" class="xi2">68</a></dd> </dl><div class="imicn"> <a href="http://club.oecr.com/home.php?mod=space&uid=70212&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=sliang456" id="a_showip_li_454343" 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=sliang456" id="a_repent_454343" 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-70212.html" class="avtm" target="_blank"><img src="http://www.oecr.com/uc_server/avatar.php?uid=70212&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=70088&pid=454343" id="postnum454343" 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="authicon454343" src="static/image/common/ico_lz.png" /> 楼主<span class="pipe">|</span> <em id="authorposton454343">发表于 2008-5-20 21:58:49</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=70088&page=1&authorid=70212" rel="nofollow">只看该作者</a> </div> </div> </div><div class="pct"><div class="pcb"> <h2>请教</h2> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_454343"> <br /> <br /> 我现在用的点列图是用Shadow_UVI得出来的，应用于同步辐射领域的光学掠入射系统。点列图不能反映出场曲的特征，因为场曲体现在空间，像散好象能看的出来吧，怎么在图形中看出有这些象差的影响，<br /> 附图是一个超环面镜和球面镜组成的双元件系统得出的点列图，用的是点光源，<br /> 请指教<br /> <br /> <br /> <br /> <br /> </td></tr></table> <div class="pattl"> <ignore_js_op> <dl class="tattl attm"> <dt></dt> <dd> <p class="mbn"> <a href="http://bbs.oecr.com/forum.php?mod=attachment&aid=MjY5Njl8NTdhNWQ3MTJ8MTc2NjUzMDM0MnwwfDcwMDg4&nothumb=yes" onmouseover="showMenu({'ctrlid':this.id,'pos':'12'})" id="aid26969" class="xw1" target="_blank">1.jpg</a> <em class="xg1">(55.89 KB, 下载次数: 11)</em> </p> <div class="tip tip_4" id="aid26969_menu" style="display: none" disautofocus="true"> <div> <p> <a href="http://bbs.oecr.com/forum.php?mod=attachment&aid=MjY5Njl8NTdhNWQ3MTJ8MTc2NjUzMDM0MnwwfDcwMDg4&nothumb=yes" target="_blank">下载附件</a> <a href="javascript:;" onclick="showWindow(this.id, this.getAttribute('url'), 'get', 0);" id="savephoto_26969" url="home.php?mod=spacecp&ac=album&op=saveforumphoto&aid=26969&handlekey=savephoto_26969">保存到相册</a> </p> <p> <span class="y">2008-5-20 21:58 上传</span> <a href="javascript:;" onclick="imageRotate('aimg_26969', 1)"><img src="static/image/common/rleft.gif" class="vm" /></a> <a href="javascript:;" onclick="imageRotate('aimg_26969', 2)"><img src="static/image/common/rright.gif" class="vm" /></a> </p> </div> <div class="tip_horn"></div> </div> <p class="mbn"> </p> <div class="mbn savephotop"> <img id="aimg_26969" aid="26969" src="static/image/common/none.gif" zoomfile="data/attachment/forum/month_0805/20080520_d7f5dc82ce950a438154YkokdRSikaaH.jpg" file="data/attachment/forum/month_0805/20080520_d7f5dc82ce950a438154YkokdRSikaaH.jpg" class="zoom" onclick="zoom(this, this.src, 0, 0, 0)" width="98" alt="1.jpg" title="1.jpg" w="617" /> </div> </dd> </dl> </ignore_js_op> </div> </div> <div id="comment_454343" class="cm"> </div> <div id="post_rate_div_454343"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition454343"></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=3&tid=70088&repquote=454343&extra=&page=1" onclick="showWindow('reply', this.href)">回复</a> <a class="replyadd" href="forum.php?mod=misc&action=postreview&do=support&tid=70088&pid=454343&hash=95f892b0" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_support_454343').innerHTML ? $('review_support_454343').innerHTML : 0) + ' 人 支持'">支持 <span id="review_support_454343"></span></a> <a class="replysubtract" 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class="pls"> </td> <td class="plc"> </td> </tr> </table> <script type="text/javascript" reload="1"> aimgcount[454343] = ['26969']; attachimggroup(454343); var aimgfid = 0; </script> </div><div class="postaaa posta3" id="post_454441" ><table id="pid454441" class="plhin" summary="pid454441" cellspacing="0" cellpadding="0"> <tr> <td class="pls" rowspan="2"> <div id="favatar454441" class="pls favatar"> <div class="pi"> <div class="authi"><a href="http://club.oecr.com/space-uid-53503.html" target="_blank" class="xw1" style="color: #FF00CC">optoboy</a> </div> </div> <div class="p_pop blk bui card_gender_" id="userinfo454441" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo454441_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-53503.html" target="_blank" class="xi2" style="color: #FF00CC">optoboy</a></strong> <em>当前离线</em> </div><dl class="cl"> <dt>积分</dt><dd><a 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src="http://www.oecr.com/uc_server/avatar.php?uid=53503&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=70088&pid=454441" id="postnum454441" onclick="setCopy(this.href, '帖子地址复制成功');return false;"> <em>4</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon454441" src="static/image/common/online_member.gif" /> <em id="authorposton454441">发表于 2008-5-21 09:46:58</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=70088&page=1&authorid=53503" 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_454441"> <br /> <br /> 我觉得弥散斑携带了光学系统对波前的所有影响的信息，它是物理光学在几何光线追击下的近似形式。对于单独的球差、色差、像散、慧差，我们确实能够根据他们的特点辨认出来。但是对于一个多种像差并存的系统里面，这种影响是叠加的，应该不是简单的线性叠加。要想辨认出来，我认为有一定的难度，除非某种像差起主要的影响作用。拙见。<br /> <br /> <br /> <br /> <br /> </td></tr></table> </div> <div id="comment_454441" class="cm"> </div> <div id="post_rate_div_454441"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition454441"></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=3&tid=70088&repquote=454441&extra=&page=1" onclick="showWindow('reply', this.href)">回复</a> <a class="replyadd" href="forum.php?mod=misc&action=postreview&do=support&tid=70088&pid=454441&hash=95f892b0" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_support_454441').innerHTML ? $('review_support_454441').innerHTML : 0) + ' 人 支持'">支持 <span id="review_support_454441"></span></a> <a 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<tr class="ad"> <td class="pls"> </td> <td class="plc"> </td> </tr> </table> </div><div class="postaaa posta4" id="post_454463" ><table id="pid454463" class="plhin" summary="pid454463" cellspacing="0" cellpadding="0"> <tr> <td class="pls" rowspan="2"> <div id="favatar454463" class="pls favatar"> <div class="pi"> <div class="authi"><a href="http://club.oecr.com/space-uid-70756.html" target="_blank" class="xw1" style="color: #0033CC">淡淡的蓝色</a> </div> </div> <div class="p_pop blk bui card_gender_" id="userinfo454463" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo454463_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-70756.html" target="_blank" class="xi2" style="color: #0033CC">淡淡的蓝色</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=70756&do=profile" target="_blank" class="xi2">33</a></dd> </dl><div class="imicn"> <a 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<strong> <a href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&ptid=70088&pid=454463" id="postnum454463" onclick="setCopy(this.href, '帖子地址复制成功');return false;"> <em>5</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon454463" src="static/image/common/online_member.gif" /> <em id="authorposton454463">发表于 2008-5-21 10:37:57</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=70088&page=1&authorid=70756" rel="nofollow">只看该作者</a> </div> </div> </div><div class="pct"><div class="pcb"> <h2>回复 #4 optoboy 的帖子</h2> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_454463"> <br /> <br /> 请教:怎样从点列图中看出哪种像差是系统的主要像差?<br /> <br /> <br /> <br /> <br /> </td></tr></table> </div> <div id="comment_454463" class="cm"> </div> <div id="post_rate_div_454463"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr 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href="http://club.oecr.com/space-uid-47441.html" target="_blank" class="xw1" style="color: #FFCC00">gmfc</a> </div> </div> <div class="p_pop blk bui card_gender_" id="userinfo454471" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo454471_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-47441.html" target="_blank" class="xi2" style="color: #FFCC00">gmfc</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=47441&do=profile" target="_blank" class="xi2">5156</a></dd> </dl><div class="imicn"> <a href="http://club.oecr.com/home.php?mod=space&uid=47441&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=gmfc" id="a_showip_li_454471" 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=gmfc" id="a_repent_454471" 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-47441.html" class="avtm" target="_blank"><img src="http://www.oecr.com/uc_server/avatar.php?uid=47441&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=70088&pid=454471" id="postnum454471" onclick="setCopy(this.href, '帖子地址复制成功');return false;"> <em>6</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon454471" src="static/image/common/online_member.gif" /> <em id="authorposton454471">发表于 2008-5-21 10:54:16</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=70088&page=1&authorid=47441" 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_454471"> 学习中。。。。<img src="static/image/smiley/default/em49.gif" smilieid="78" border="0" alt="" /> <img src="static/image/smiley/default/em49.gif" smilieid="78" border="0" alt="" /></td></tr></table> </div> <div id="comment_454471" class="cm"> </div> <div id="post_rate_div_454471"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition454471"></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=3&tid=70088&repquote=454471&extra=&page=1" onclick="showWindow('reply', this.href)">回复</a> <a class="replyadd" href="forum.php?mod=misc&action=postreview&do=support&tid=70088&pid=454471&hash=95f892b0" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_support_454471').innerHTML ? $('review_support_454471').innerHTML : 0) + ' 人 支持'">支持 <span id="review_support_454471"></span></a> <a class="replysubtract" href="forum.php?mod=misc&action=postreview&do=against&tid=70088&pid=454471&hash=95f892b0" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_against_454471').innerHTML ? $('review_against_454471').innerHTML : 0) + ' 人 反对'">反对 <span id="review_against_454471"></span></a> </em> <p> <a href="javascript:;" id="mgc_post_454471" onmouseover="showMenu(this.id)" class="showmenu">使用道具</a> <a href="javascript:;" onclick="showWindow('miscreport454471', 'misc.php?mod=report&rtype=post&rid=454471&tid=70088&fid=3', 'get', -1);return false;">举报</a> </p> <ul id="mgc_post_454471_menu" class="p_pop mgcmn" style="display: none;"> <li><a href="http://club.oecr.com/home.php?mod=magic&mid=namepost&idtype=pid&id=454471:70088" id="a_namepost_454471" 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_454471')</script> </div> </div> </td> </tr> <tr class="ad"> <td class="pls"> </td> <td class="plc"> </td> </tr> </table> </div><div class="postaaa posta6" id="post_454473" ><table id="pid454473" class="plhin" summary="pid454473" cellspacing="0" cellpadding="0"> <tr> <td class="pls" rowspan="2"> <div id="favatar454473" class="pls favatar"> <div class="pi"> <div class="authi"><a href="http://club.oecr.com/space-uid-70756.html" target="_blank" class="xw1" style="color: #0033CC">淡淡的蓝色</a> </div> </div> <div class="p_pop blk bui card_gender_" id="userinfo454473" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo454473_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-70756.html" target="_blank" class="xi2" style="color: #0033CC">淡淡的蓝色</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=70756&do=profile" target="_blank" class="xi2">33</a></dd> </dl><div class="imicn"> <a href="http://club.oecr.com/home.php?mod=space&uid=70756&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=%B5%AD%B5%AD%B5%C4%C0%B6%C9%AB" id="a_showip_li_454473" 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=%B5%AD%B5%AD%B5%C4%C0%B6%C9%AB" id="a_repent_454473" 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-70756.html" class="avtm" target="_blank"><img src="http://www.oecr.com/uc_server/avatar.php?uid=70756&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=70088&pid=454473" id="postnum454473" onclick="setCopy(this.href, '帖子地址复制成功');return false;"> <em>7</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon454473" src="static/image/common/online_member.gif" /> <em id="authorposton454473">发表于 2008-5-21 10:57:11</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=70088&page=1&authorid=70756" 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_454473"> 请问: 有做过像质评价的吗?<br /> 点列图,MTF?<br /> 希望多多赐教<br /> 不胜感激</td></tr></table> </div> <div id="comment_454473" class="cm"> </div> <div id="post_rate_div_454473"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition454473"></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=3&tid=70088&repquote=454473&extra=&page=1" onclick="showWindow('reply', this.href)">回复</a> <a class="replyadd" href="forum.php?mod=misc&action=postreview&do=support&tid=70088&pid=454473&hash=95f892b0" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_support_454473').innerHTML ? $('review_support_454473').innerHTML : 0) + ' 人 支持'">支持 <span id="review_support_454473"></span></a> <a class="replysubtract" href="forum.php?mod=misc&action=postreview&do=against&tid=70088&pid=454473&hash=95f892b0" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_against_454473').innerHTML ? $('review_against_454473').innerHTML : 0) + ' 人 反对'">反对 <span id="review_against_454473"></span></a> </em> <p> <a href="javascript:;" id="mgc_post_454473" onmouseover="showMenu(this.id)" class="showmenu">使用道具</a> <a href="javascript:;" onclick="showWindow('miscreport454473', 'misc.php?mod=report&rtype=post&rid=454473&tid=70088&fid=3', 'get', -1);return false;">举报</a> </p> <ul id="mgc_post_454473_menu" class="p_pop mgcmn" style="display: none;"> <li><a href="http://club.oecr.com/home.php?mod=magic&mid=namepost&idtype=pid&id=454473:70088" id="a_namepost_454473" 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_454473')</script> </div> </div> </td> </tr> <tr class="ad"> <td class="pls"> </td> <td class="plc"> </td> </tr> </table> </div><div class="postaaa posta7" id="post_454493" ><table id="pid454493" class="plhin" summary="pid454493" cellspacing="0" cellpadding="0"> <tr> <td class="pls" rowspan="2"> <div id="favatar454493" class="pls favatar"> <div class="pi"> <div class="authi"><a href="http://club.oecr.com/space-uid-59322.html" target="_blank" class="xw1" style="color: #FF00CC">blueboat2008</a> </div> </div> <div class="p_pop blk bui card_gender_" id="userinfo454493" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo454493_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-59322.html" target="_blank" class="xi2" style="color: #FF00CC">blueboat2008</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=59322&do=profile" target="_blank" class="xi2">2741</a></dd> </dl><div class="imicn"> <a href="http://club.oecr.com/home.php?mod=space&uid=59322&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=blueboat2008" id="a_showip_li_454493" 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=blueboat2008" id="a_repent_454493" 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-59322.html" class="avtm" target="_blank"><img src="http://www.oecr.com/uc_server/avatar.php?uid=59322&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=70088&pid=454493" id="postnum454493" onclick="setCopy(this.href, '帖子地址复制成功');return false;"> <em>8</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon454493" src="static/image/common/online_member.gif" /> <em id="authorposton454493">发表于 2008-5-21 11:19:06</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=70088&page=1&authorid=59322" 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_454493"> 看看<br /> <img src="static/image/smiley/default/em31.gif" smilieid="60" border="0" alt="" /> <br /> <br /> <img src="static/image/smiley/default/em31.gif" smilieid="60" border="0" alt="" /></td></tr></table> </div> <div id="comment_454493" class="cm"> </div> <div id="post_rate_div_454493"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition454493"></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=3&tid=70088&repquote=454493&extra=&page=1" onclick="showWindow('reply', this.href)">回复</a> <a class="replyadd" href="forum.php?mod=misc&action=postreview&do=support&tid=70088&pid=454493&hash=95f892b0" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_support_454493').innerHTML ? $('review_support_454493').innerHTML : 0) + ' 人 支持'">支持 <span id="review_support_454493"></span></a> <a class="replysubtract" href="forum.php?mod=misc&action=postreview&do=against&tid=70088&pid=454493&hash=95f892b0" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_against_454493').innerHTML ? $('review_against_454493').innerHTML : 0) + ' 人 反对'">反对 <span id="review_against_454493"></span></a> </em> <p> <a href="javascript:;" id="mgc_post_454493" onmouseover="showMenu(this.id)" class="showmenu">使用道具</a> <a href="javascript:;" onclick="showWindow('miscreport454493', 'misc.php?mod=report&rtype=post&rid=454493&tid=70088&fid=3', 'get', -1);return false;">举报</a> </p> <ul id="mgc_post_454493_menu" class="p_pop mgcmn" style="display: none;"> <li><a href="http://club.oecr.com/home.php?mod=magic&mid=namepost&idtype=pid&id=454493:70088" id="a_namepost_454493" 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_454493')</script> </div> </div> </td> </tr> <tr class="ad"> <td class="pls"> </td> <td class="plc"> </td> </tr> </table> </div><div class="postaaa posta8" id="post_454930" ><table id="pid454930" class="plhin" summary="pid454930" cellspacing="0" cellpadding="0"> <tr> <td class="pls" rowspan="2"> <div id="favatar454930" class="pls favatar"> <div class="pi"> <div class="authi"><a href="http://club.oecr.com/space-uid-53503.html" target="_blank" class="xw1" style="color: #FF00CC">optoboy</a> </div> </div> <div class="p_pop blk bui card_gender_" id="userinfo454930" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo454930_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-53503.html" target="_blank" class="xi2" style="color: #FF00CC">optoboy</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=53503&do=profile" target="_blank" class="xi2">2593</a></dd> </dl><div class="imicn"> <a href="http://club.oecr.com/home.php?mod=space&uid=53503&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=optoboy" id="a_showip_li_454930" 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=optoboy" id="a_repent_454930" 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-53503.html" class="avtm" target="_blank"><img src="http://www.oecr.com/uc_server/avatar.php?uid=53503&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=70088&pid=454930" id="postnum454930" onclick="setCopy(this.href, '帖子地址复制成功');return false;"> <em>9</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon454930" src="static/image/common/online_member.gif" /> <em id="authorposton454930">发表于 2008-5-22 11:28:47</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=70088&page=1&authorid=53503" rel="nofollow">只看该作者</a> </div> </div> </div><div class="pct"><div class="pcb"> <h2>回复 #5 淡淡的蓝色 的帖子</h2> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_454930"> 其实也没什么成熟的方法，我只说了一个很特别的情况。比如看到的整体的弥散斑形状很像慧差单独存在时的样子，那么主要就是受到慧差的影响。但是慧差所存在的准确的值和是否满足像差容限，就要用运算元等其他方式来看了。弥散斑不适合精确分析像差，只能做一个大概的评价。</td></tr></table> </div> <div id="comment_454930" class="cm"> </div> <div id="post_rate_div_454930"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition454930"></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=3&tid=70088&repquote=454930&extra=&page=1" onclick="showWindow('reply', this.href)">回复</a> <a class="replyadd" href="forum.php?mod=misc&action=postreview&do=support&tid=70088&pid=454930&hash=95f892b0" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_support_454930').innerHTML ? $('review_support_454930').innerHTML : 0) + ' 人 支持'">支持 <span id="review_support_454930"></span></a> <a class="replysubtract" href="forum.php?mod=misc&action=postreview&do=against&tid=70088&pid=454930&hash=95f892b0" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_against_454930').innerHTML ? $('review_against_454930').innerHTML : 0) + ' 人 反对'">反对 <span id="review_against_454930"></span></a> </em> <p> <a href="javascript:;" id="mgc_post_454930" onmouseover="showMenu(this.id)" class="showmenu">使用道具</a> <a href="javascript:;" onclick="showWindow('miscreport454930', 'misc.php?mod=report&rtype=post&rid=454930&tid=70088&fid=3', 'get', -1);return false;">举报</a> </p> <ul id="mgc_post_454930_menu" class="p_pop mgcmn" style="display: none;"> <li><a href="http://club.oecr.com/home.php?mod=magic&mid=namepost&idtype=pid&id=454930:70088" id="a_namepost_454930" 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_454930')</script> </div> </div> </td> </tr> <tr class="ad"> <td class="pls"> </td> <td class="plc"> </td> </tr> </table> </div><div class="postaaa posta9" id="post_456261" ><table id="pid456261" class="plhin" summary="pid456261" cellspacing="0" cellpadding="0"> <tr> <td class="pls" rowspan="2"> <div id="favatar456261" class="pls favatar"> <div class="pi"> <div class="authi"><a href="http://club.oecr.com/space-uid-70212.html" target="_blank" class="xw1" style="color: #0033CC">sliang456</a> </div> </div> <div class="p_pop blk bui card_gender_" id="userinfo456261" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo456261_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-70212.html" target="_blank" class="xi2" style="color: #0033CC">sliang456</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=70212&do=profile" target="_blank" class="xi2">68</a></dd> </dl><div class="imicn"> <a href="http://club.oecr.com/home.php?mod=space&uid=70212&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=sliang456" id="a_showip_li_456261" 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=sliang456" id="a_repent_456261" 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-70212.html" class="avtm" target="_blank"><img src="http://www.oecr.com/uc_server/avatar.php?uid=70212&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=70088&pid=456261" id="postnum456261" onclick="setCopy(this.href, '帖子地址复制成功');return false;"> <em>10</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon456261" src="static/image/common/ico_lz.png" /> 楼主<span class="pipe">|</span> <em id="authorposton456261">发表于 2008-5-27 09:31:11</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=70088&page=1&authorid=70212" rel="nofollow">只看该作者</a> </div> </div> </div><div class="pct"><div class="pcb"> <h2>回复 #4 optoboy 的帖子</h2> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_456261"> 能不能给我讲解一下场曲的知识啊，场曲的曲率怎么求？</td></tr></table> </div> <div id="comment_456261" class="cm"> </div> <div id="post_rate_div_456261"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition456261"></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=3&tid=70088&repquote=456261&extra=&page=1" onclick="showWindow('reply', this.href)">回复</a> <a class="replyadd" href="forum.php?mod=misc&action=postreview&do=support&tid=70088&pid=456261&hash=95f892b0" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_support_456261').innerHTML ? $('review_support_456261').innerHTML : 0) + ' 人 支持'">支持 <span id="review_support_456261"></span></a> <a class="replysubtract" href="forum.php?mod=misc&action=postreview&do=against&tid=70088&pid=456261&hash=95f892b0" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_against_456261').innerHTML ? $('review_against_456261').innerHTML : 0) + ' 人 反对'">反对 <span id="review_against_456261"></span></a> </em> <p> <a href="javascript:;" id="mgc_post_456261" onmouseover="showMenu(this.id)" class="showmenu">使用道具</a> <a href="javascript:;" onclick="showWindow('miscreport456261', 'misc.php?mod=report&rtype=post&rid=456261&tid=70088&fid=3', 'get', -1);return false;">举报</a> </p> <ul id="mgc_post_456261_menu" class="p_pop mgcmn" style="display: none;"> <li><a href="http://club.oecr.com/home.php?mod=magic&mid=namepost&idtype=pid&id=456261:70088" id="a_namepost_456261" 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_456261')</script> </div> </div> </td> </tr> <tr class="ad"> <td class="pls"> </td> <td class="plc"> </td> </tr> </table> </div><div class="postaaa posta10" id="post_457694" ><table id="pid457694" class="plhin" summary="pid457694" cellspacing="0" cellpadding="0"> <tr> <td class="pls" rowspan="2"> <div id="favatar457694" class="pls favatar"> <div class="pi"> <div class="authi"><a href="http://club.oecr.com/space-uid-65866.html" target="_blank" class="xw1" style="color: #FFCCCC">liuyouqiang</a> </div> </div> <div class="p_pop blk bui card_gender_" id="userinfo457694" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo457694_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-65866.html" target="_blank" class="xi2" style="color: #FFCCCC">liuyouqiang</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=65866&do=profile" target="_blank" class="xi2">420</a></dd> </dl><div class="imicn"> <a href="http://club.oecr.com/home.php?mod=space&uid=65866&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=liuyouqiang" id="a_showip_li_457694" 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=liuyouqiang" id="a_repent_457694" 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-65866.html" class="avtm" target="_blank"><img src="http://www.oecr.com/uc_server/avatar.php?uid=65866&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=70088&pid=457694" id="postnum457694" onclick="setCopy(this.href, '帖子地址复制成功');return false;"> <em>11</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon457694" src="static/image/common/online_member.gif" /> <em id="authorposton457694">发表于 2008-6-1 10:41:05</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=70088&page=1&authorid=65866" 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_457694"> 通过LAY OUT和点列图、光纤追迹图同时看，效果能好点的，应该能看懂</td></tr></table> </div> <div id="comment_457694" class="cm"> </div> <div id="post_rate_div_457694"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition457694"></tr> <tr> <td class="pls"></td> <td class="plc" style="overflow:visible;"> <div class="po hin"> <div class="pob cl"> <em> <a class="fastre" 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class="p_pop blk bui card_gender_" id="userinfo458609" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo458609_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-53503.html" target="_blank" class="xi2" style="color: #FF00CC">optoboy</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=53503&do=profile" target="_blank" class="xi2">2593</a></dd> </dl><div class="imicn"> <a href="http://club.oecr.com/home.php?mod=space&uid=53503&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=optoboy" id="a_showip_li_458609" 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=optoboy" id="a_repent_458609" 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-53503.html" class="avtm" target="_blank"><img src="http://www.oecr.com/uc_server/avatar.php?uid=53503&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=70088&pid=458609" id="postnum458609" onclick="setCopy(this.href, '帖子地址复制成功');return false;"> <em>12</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon458609" src="static/image/common/online_member.gif" /> <em id="authorposton458609">发表于 2008-6-6 10:36:06</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=70088&page=1&authorid=53503" rel="nofollow">只看该作者</a> </div> </div> </div><div class="pct"><div class="pcb"> <h2>回复 #10 sliang456 的帖子</h2> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_458609"> 兄弟 很多书上都有讲场曲呀<br /> 我觉得书上要比我讲的好，也详细的多哈<img src="static/image/smiley/default/em31.gif" smilieid="60" border="0" alt="" /> <br /> 其实场曲曲线是根据实际的子午、弧矢光线的焦点与近轴高斯焦点之间的差别绘出的。<br /> 如果说有计算公式的话，肯定有，特别复杂的像差公式<br /> 因为理想的单透镜是不存在场曲的<br /> 这个场曲的曲率计算比较困难，用光线追迹的方法比较好。</td></tr></table> </div> <div id="comment_458609" class="cm"> </div> <div id="post_rate_div_458609"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition458609"></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=3&tid=70088&repquote=458609&extra=&page=1" onclick="showWindow('reply', this.href)">回复</a> <a class="replyadd" 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