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href="http://club.oecr.com/home.php?mod=magic&mid=checkonline&idtype=user&id=endeavour" id="a_repent_10856" 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-2126.html" class="avtm" target="_blank"><img src="http://www.oecr.com/uc_server/avatar.php?uid=2126&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="$('fj_btn').href='forum.php?mod=redirect&ptid=1866&authorid=0&postno='+this.value" onkeydown="if(event.keyCode==13) {window.location=$('fj_btn').href;return false;}" title="跳转到指定楼层" /> <a href="javascript:;" id="fj_btn" class="z" title="跳转到指定楼层"><img 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-1866-1-1.html" id="postnum10856" 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="authicon10856" src="static/image/common/online_member.gif" /> <em id="authorposton10856">发表于 2003-5-15 19:55:00</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=1866&page=1&authorid=2126" 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=1866&extra=&ordertype=1" class="show">倒序浏览</a> <span class="pipe show">|</span><a href="javascript:;" onclick="readmode($('thread_subject').innerHTML, 10856);" 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_10856"> 100Gwdm filter 的100G是否指各个矩形通带的间隔？一个100G的<a href="http://opticalfilm.oecr.com" target="_blank" class="relatedlink">薄膜</a>dwdm，怎样换算它的各个通带中心波长的间隔？100G与 dwdm的传送速率10G/s 又有什么联系吗？有没有公式表达这种联系？ 小弟刚入们，看了一些文章，对这些问题好疑惑，希望大家能指教！<br /> thank you</td></tr></table> </div> <div id="comment_10856" class="cm"> </div> <div id="post_rate_div_10856"></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=1866&formhash=028438c7" 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=1866&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=1866" onclick="showWindow('sharethread', this.href, 'get', 0);" title="分享推精华"><i><img src="static/image/common/oshr.png" alt="分享" />分享</i></a> <a href="http://bbs.oecr.com/forum.php?mod=collection&action=edit&op=addthread&tid=1866" id="k_collect" onclick="showWindow(this.id, this.href);return false;" onmouseover="this.title = $('collectionnumber').innerHTML + ' 人淘帖'" title="淘好帖进专辑"><i><img src="static/image/common/collection.png" alt="分享" />淘帖<span id="collectionnumber" style="display:none">0</span></i></a> <a id="recommend_add" href="forum.php?mod=misc&action=recommend&do=add&tid=1866&hash=028438c7" onclick="showWindow('login', this.href)" onmouseover="this.title = $('recommendv_add').innerHTML + ' 人支持'" title="顶一下"><i><img src="static/image/common/rec_add.gif" alt="支持" />支持<span id="recommendv_add" style="display:none">0</span></i></a> <a id="recommend_subtract" href="forum.php?mod=misc&action=recommend&do=subtract&tid=1866&hash=028438c7" onclick="showWindow('login', this.href)" onmouseover="this.title = $('recommendv_subtract').innerHTML + ' 人反对'" title="踩一下"><i><img src="static/image/common/rec_subtract.gif" alt="反对" />反对<span id="recommendv_subtract" style="display:none">0</span></i></a> </div> </td> </tr> <tr id="_postposition10856"></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=1&tid=1866&reppost=10856&extra=&page=1" onclick="showWindow('reply', this.href)">回复</a> </em> <p> <a href="javascript:;" id="mgc_post_10856" onmouseover="showMenu(this.id)" class="showmenu">使用道具</a> <a href="javascript:;" onclick="showWindow('miscreport10856', 'misc.php?mod=report&rtype=post&rid=10856&tid=1866&fid=1', 'get', -1);return false;">举报</a> </p> <ul id="mgc_post_10856_menu" class="p_pop mgcmn" style="display: none;"> <li><a href="http://club.oecr.com/home.php?mod=magic&mid=bump&idtype=tid&id=1866" id="a_bump" onclick="showWindow(this.id, this.href)"><img src="static/image/magic/bump.small.gif" />提升卡</a></li> <li><a href="http://club.oecr.com/home.php?mod=magic&mid=stick&idtype=tid&id=1866" id="a_stick" onclick="showWindow(this.id, this.href)"><img src="static/image/magic/stick.small.gif" />置顶卡</a></li> <li><a href="http://club.oecr.com/home.php?mod=magic&mid=close&idtype=tid&id=1866" id="a_stick" onclick="showWindow(this.id, this.href)"><img src="static/image/magic/close.small.gif" />沉默卡</a></li> <li><a href="http://club.oecr.com/home.php?mod=magic&mid=open&idtype=tid&id=1866" id="a_stick" onclick="showWindow(this.id, this.href)"><img src="static/image/magic/open.small.gif" />喧嚣卡</a></li> <li><a href="http://club.oecr.com/home.php?mod=magic&mid=highlight&idtype=tid&id=1866" id="a_stick" onclick="showWindow(this.id, this.href)"><img src="static/image/magic/highlight.small.gif" />变色卡</a></li> <li><a href="http://club.oecr.com/home.php?mod=magic&mid=sofa&idtype=tid&id=1866" id="a_stick" onclick="showWindow(this.id, this.href)"><img src="static/image/magic/sofa.small.gif" />抢沙发</a></li> <li><a href="http://club.oecr.com/home.php?mod=magic&mid=jack&idtype=tid&id=1866" 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=10856:1866" id="a_namepost_10856" 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_10856')</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_10857" ><table id="pid10857" class="plhin" summary="pid10857" cellspacing="0" cellpadding="0"> <tr> <td class="pls" rowspan="2"> <div id="favatar10857" class="pls favatar"> <div class="pi"> <div class="authi"><a href="http://club.oecr.com/space-uid-2126.html" target="_blank" class="xw1" style="color: #33FF00">endeavour</a> </div> </div> <div class="p_pop blk bui card_gender_" id="userinfo10857" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo10857_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-2126.html" target="_blank" class="xi2" style="color: #33FF00">endeavour</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=2126&do=profile" target="_blank" class="xi2">977</a></dd> </dl><div class="imicn"> <a href="http://club.oecr.com/home.php?mod=space&uid=2126&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=endeavour" id="a_showip_li_10857" 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=endeavour" id="a_repent_10857" 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-2126.html" class="avtm" target="_blank"><img src="http://www.oecr.com/uc_server/avatar.php?uid=2126&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=1866&pid=10857" id="postnum10857" 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="authicon10857" src="static/image/common/ico_lz.png" /> 楼主<span class="pipe">|</span> <em id="authorposton10857">发表于 2003-5-17 01:48:00</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=1866&page=1&authorid=2126" rel="nofollow">只看该作者</a> </div> </div> </div><div class="pct"><div class="pcb"> <h2>请指教</h2> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_10857"> 为什么没人回复我呢？是否我上面的说法不对呢？</td></tr></table> </div> <div id="comment_10857" class="cm"> </div> <div id="post_rate_div_10857"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition10857"></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=1&tid=1866&repquote=10857&extra=&page=1" onclick="showWindow('reply', this.href)">回复</a> <a class="replyadd" href="forum.php?mod=misc&action=postreview&do=support&tid=1866&pid=10857&hash=028438c7" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_support_10857').innerHTML ? $('review_support_10857').innerHTML : 0) + ' 人 支持'">支持 <span id="review_support_10857"></span></a> <a class="replysubtract" href="forum.php?mod=misc&action=postreview&do=against&tid=1866&pid=10857&hash=028438c7" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_against_10857').innerHTML ? $('review_against_10857').innerHTML : 0) + ' 人 反对'">反对 <span id="review_against_10857"></span></a> </em> <p> <a href="javascript:;" id="mgc_post_10857" onmouseover="showMenu(this.id)" class="showmenu">使用道具</a> <a href="javascript:;" onclick="showWindow('miscreport10857', 'misc.php?mod=report&rtype=post&rid=10857&tid=1866&fid=1', 'get', -1);return false;">举报</a> </p> <ul id="mgc_post_10857_menu" class="p_pop mgcmn" style="display: none;"> <li><a href="http://club.oecr.com/home.php?mod=magic&mid=namepost&idtype=pid&id=10857:1866" id="a_namepost_10857" 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_10857')</script> </div> </div> </td> </tr> <tr class="ad"> <td class="pls"> </td> <td class="plc"> </td> </tr> </table> </div><div class="postaaa posta2" id="post_10858" ><table id="pid10858" class="plhin" summary="pid10858" cellspacing="0" cellpadding="0"> <tr> <td class="pls" rowspan="2"> <div id="favatar10858" class="pls favatar"> <div class="pi"> <div class="authi"><a href="http://club.oecr.com/space-uid-6344.html" target="_blank" class="xw1" style="color: #33FF00">ppz555</a> </div> </div> <div class="p_pop blk bui card_gender_" id="userinfo10858" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo10858_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-6344.html" target="_blank" class="xi2" style="color: #33FF00">ppz555</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=6344&do=profile" target="_blank" class="xi2">735</a></dd> </dl><div class="imicn"> <a href="http://club.oecr.com/home.php?mod=space&uid=6344&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=ppz555" id="a_showip_li_10858" 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=ppz555" id="a_repent_10858" 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-6344.html" class="avtm" target="_blank"><img src="http://www.oecr.com/uc_server/avatar.php?uid=6344&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=1866&pid=10858" id="postnum10858" 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="authicon10858" src="static/image/common/online_member.gif" /> <em id="authorposton10858">发表于 2004-1-7 05:18:00</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=1866&page=1&authorid=6344" rel="nofollow">只看该作者</a> </div> </div> </div><div class="pct"><div class="pcb"> <h2>请指教</h2> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_10858"> 是<br /> 100g=100G hz</td></tr></table> </div> <div id="comment_10858" class="cm"> </div> <div id="post_rate_div_10858"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition10858"></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=1&tid=1866&repquote=10858&extra=&page=1" onclick="showWindow('reply', this.href)">回复</a> <a class="replyadd" href="forum.php?mod=misc&action=postreview&do=support&tid=1866&pid=10858&hash=028438c7" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_support_10858').innerHTML ? $('review_support_10858').innerHTML : 0) + ' 人 支持'">支持 <span id="review_support_10858"></span></a> <a class="replysubtract" href="forum.php?mod=misc&action=postreview&do=against&tid=1866&pid=10858&hash=028438c7" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_against_10858').innerHTML ? $('review_against_10858').innerHTML : 0) + ' 人 反对'">反对 <span id="review_against_10858"></span></a> </em> <p> <a href="javascript:;" id="mgc_post_10858" onmouseover="showMenu(this.id)" class="showmenu">使用道具</a> <a href="javascript:;" onclick="showWindow('miscreport10858', 'misc.php?mod=report&rtype=post&rid=10858&tid=1866&fid=1', 'get', -1);return false;">举报</a> </p> <ul id="mgc_post_10858_menu" class="p_pop mgcmn" style="display: none;"> <li><a href="http://club.oecr.com/home.php?mod=magic&mid=namepost&idtype=pid&id=10858:1866" id="a_namepost_10858" 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_10858')</script> </div> </div> </td> </tr> <tr class="ad"> <td class="pls"> </td> <td class="plc"> </td> </tr> </table> </div><div class="postaaa posta3" id="post_10859" ><table id="pid10859" class="plhin" summary="pid10859" cellspacing="0" cellpadding="0"> <tr> <td class="pls" rowspan="2"> <div id="favatar10859" class="pls favatar"> <div class="pi"> <div class="authi"><a href="http://club.oecr.com/space-uid-5966.html" target="_blank" class="xw1" style="color: #33FF00">oevisitor</a> </div> </div> <div class="p_pop blk bui card_gender_" id="userinfo10859" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo10859_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-5966.html" target="_blank" class="xi2" style="color: #33FF00">oevisitor</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=5966&do=profile" target="_blank" class="xi2">684</a></dd> </dl><div class="imicn"> <a href="http://club.oecr.com/home.php?mod=space&uid=5966&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=oevisitor" id="a_showip_li_10859" 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=oevisitor" id="a_repent_10859" 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-5966.html" class="avtm" target="_blank"><img src="http://www.oecr.com/uc_server/avatar.php?uid=5966&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=1866&pid=10859" id="postnum10859" 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="authicon10859" src="static/image/common/online_member.gif" /> <em id="authorposton10859">发表于 2004-1-7 13:55:00</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=1866&page=1&authorid=5966" rel="nofollow">只看该作者</a> </div> </div> </div><div class="pct"><div class="pcb"> <h2>请指教</h2> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_10859"> 1. Generally speaking, 100G means the channel spacing between two adjacent channels is 100G Hz.<br /> 2. 100GHz is roughly about 0.8nm at 1550nm.The basic equation is C = L*N, where C is the speed of light, L is the wavelength, and N is the frequency. Take the difference, then you would get the formula. <br /> 3. 100GHz labelled in a WDM filter is usually not directly related to data speed 10G/s. 100GHz is the WDM channel spacing and 10G/s is the data rate carried in that channel. Because of a 10G/s data modulation, two side bands 100GHz+/-10GHz would be created around the central frequency of that channel.<br /> <br /> There are a lot to read and to learn in fiber optics and optical networks. Do not be frustrated. The more you read, the more you learn. You will become an expert.<br /> <br /> </td></tr></table> </div> <div id="comment_10859" class="cm"> </div> <div id="post_rate_div_10859"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition10859"></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=1&tid=1866&repquote=10859&extra=&page=1" onclick="showWindow('reply', this.href)">回复</a> <a class="replyadd" href="forum.php?mod=misc&action=postreview&do=support&tid=1866&pid=10859&hash=028438c7" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_support_10859').innerHTML ? $('review_support_10859').innerHTML : 0) + ' 人 支持'">支持 <span id="review_support_10859"></span></a> <a class="replysubtract" href="forum.php?mod=misc&action=postreview&do=against&tid=1866&pid=10859&hash=028438c7" onclick="showWindow('login', this.href)" onmouseover="this.title = 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<em>5</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon10860" src="static/image/common/online_member.gif" /> <em id="authorposton10860">发表于 2004-1-7 21:40:00</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=1866&page=1&authorid=10876" rel="nofollow">只看该作者</a> </div> </div> </div><div class="pct"><div class="pcb"> <h2>请指教</h2> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_10860"> 解释的真明白,佩服!高人一位!<br /> 信号调制时候会有边带,所以有单边带,双边带调制,残留边带调制等等<br /> </td></tr></table> </div> <div id="comment_10860" class="cm"> </div> <div id="post_rate_div_10860"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition10860"></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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