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onmouseover="this.title = $('recommendv_subtract').innerHTML + ' 人反对'"><i><img src="static/image/common/rec_subtract.gif" alt="反对" />反对<span id="recommendv_subtract">0</span></i></a> </div> </td> <td valign="top" class="album_side_r"> <div class="album_side"> <div class="hm mtn mbn"> <a href="http://club.oecr.com/space-uid-162187.html" target="_blank" class="xi2"><img src="http://www.oecr.com/uc_server/avatar.php?uid=162187&size=small" /></a> <span class="tit_author"> <a href="http://club.oecr.com/space-uid-162187.html">cofiber612</a> </span> </div> <div class="date"><span>发布时间:</span> 2016-11-4 15:05</div> <div class="album_info"> <h3>正文摘要: </h3> <p> 简介平衡光电探测器内置两路通道，使用两个特性完全接近的光电二极管作为光电转换，其中一路加入延迟线，或使用马赫曾德干涉仪，调整一路的相位反偏，后端使用差分放大器，放大差模信号，抑制共模信号。将两路合并 ...</p> </div> </div> </td> </tr> </table> </div> </div> <div class="bm vw pl" id="comment"> <div class="bm_h cl"> <h2>回复</h2> </div> <div class="bm_c"> <div id="postlistreply" class="xld xlda mbm"><div id="post_new" class="viewthread_table" style="display: none"></div></div><div id="post_1202102" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-162187.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=162187&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-162187.html" target="_blank" class="xi2">cofiber612</a><em id="author_1202102"> 发表于</em> <span class="xg1 xw0">2017-2-22 09:46:57</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1202102"> <img src="static/image/smiley/Tiger/02.gif" smilieid="140" border="0" alt="" /><img src="static/image/smiley/Tiger/02.gif" smilieid="140" border="0" alt="" /><img src="static/image/smiley/Tiger/02.gif" smilieid="140" border="0" alt="" /><img src="static/image/smiley/Tiger/02.gif" smilieid="140" border="0" alt="" /></td></tr></table> </div> <div id="comment_1202102" class="cm"> </div> <div id="post_rate_div_1202102"></div> </div> </dd> </dl> </div> <div id="post_1199430" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-138464.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=138464&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-138464.html" target="_blank" class="xi2">cofiber604</a><em id="author_1199430"> 发表于</em> <span class="xg1 xw0">2016-12-8 16:34:27</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1199430"> <img src="static/image/smiley/default/tongue.gif" smilieid="7" border="0" alt="" />楼主，发一个完整图蛮</td></tr></table> </div> <div id="comment_1199430" class="cm"> </div> <div id="post_rate_div_1199430"></div> </div> </dd> </dl> </div> <div id="post_1199305" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-163947.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=163947&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-163947.html" target="_blank" class="xi2">cxqygdn</a><em id="author_1199305"> 发表于</em> <span class="xg1 xw0">2016-12-5 21:27:48</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1199305"> <img src="static/image/smiley/Tiger/05.gif" smilieid="143" border="0" alt="" /><img src="static/image/smiley/Tiger/05.gif" smilieid="143" border="0" alt="" /><img src="static/image/smiley/Tiger/02.gif" smilieid="140" border="0" alt="" /><img src="static/image/smiley/Tiger/02.gif" smilieid="140" border="0" alt="" /></td></tr></table> </div> <div id="comment_1199305" class="cm"> </div> <div id="post_rate_div_1199305"></div> </div> </dd> </dl> </div> <div id="post_1198524" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-162187.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=162187&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-162187.html" target="_blank" class="xi2">cofiber612</a><em id="author_1198524"> 发表于</em> <span class="xg1 xw0">2016-11-28 10:05:53</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1198524"> 光电平衡探测模块集成了两个良好匹配的光电二极管和一个低噪高速的互阻放大器，有效减少激光器噪声和共模噪声，提高了系统的性噪比。<img src="static/image/smiley/Tiger/02.gif" smilieid="140" border="0" alt="" /><img src="static/image/smiley/Tiger/02.gif" smilieid="140" border="0" alt="" /><img src="static/image/smiley/Tiger/17.gif" smilieid="155" border="0" alt="" /></td></tr></table> </div> <div id="comment_1198524" class="cm"> </div> <div id="post_rate_div_1198524"></div> </div> </dd> </dl> </div> <div id="post_1195090" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-163875.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=163875&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-163875.html" target="_blank" class="xi2">cofiber803</a><em id="author_1195090"> 发表于</em> <span class="xg1 xw0">2016-11-18 16:07:40</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1195090"> 成本外观绝对高颜值，</td></tr></table> </div> <div id="comment_1195090" class="cm"> </div> <div id="post_rate_div_1195090"></div> </div> </dd> </dl> </div> <div id="post_1194926" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-162187.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=162187&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-162187.html" target="_blank" class="xi2">cofiber612</a><em id="author_1194926"> 发表于</em> <span class="xg1 xw0">2016-11-15 09:35:36</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1194926"> <div class="quote"><blockquote><font size="2"><a href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&pid=1194888&ptid=299572" target="_blank"><font color="#999999">hoogoogol 发表于 2016-11-14 15:28</font></a></font><br /> 外观太差.............................................</blockquote></div><br /> 这个是我们生产调制时候的照片，成品颜值很好的。<img src="static/image/smiley/Tiger/02.gif" smilieid="140" border="0" alt="" /><br /> </td></tr></table> </div> <div id="comment_1194926" class="cm"> </div> <div id="post_rate_div_1194926"></div> </div> </dd> </dl> </div> <div id="post_1194888" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-16965.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=16965&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-16965.html" target="_blank" class="xi2">hoogoogol</a><em id="author_1194888"> 发表于</em> <span class="xg1 xw0">2016-11-14 15:28:19</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1194888"> 外观太差.............................................</td></tr></table> </div> <div id="comment_1194888" class="cm"> </div> <div id="post_rate_div_1194888"></div> </div> </dd> </dl> </div> <div id="post_1194865" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-162187.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=162187&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-162187.html" target="_blank" class="xi2">cofiber612</a><em id="author_1194865"> 发表于</em> <span class="xg1 xw0">2016-11-14 09:31:37</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1194865"> <img src="static/image/smiley/Tiger/02.gif" smilieid="140" border="0" alt="" /><img src="static/image/smiley/Tiger/02.gif" smilieid="140" border="0" alt="" /><img src="static/image/smiley/Tiger/05.gif" smilieid="143" border="0" alt="" /><img src="static/image/smiley/Tiger/05.gif" smilieid="143" border="0" alt="" /></td></tr></table> </div> <div id="comment_1194865" class="cm"> </div> <div id="post_rate_div_1194865"></div> </div> </dd> </dl> </div> <div id="post_1194675" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-162187.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=162187&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-162187.html" target="_blank" class="xi2">cofiber612</a><em id="author_1194675"> 发表于</em> <span class="xg1 xw0">2016-11-9 13:18:30</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1194675"> 平衡光电探测器内置两路通道，使用两个特性完全接近的光电二极管作为光电转换，其中一路加入延迟线，或使用马赫曾德干涉仪，调整一路的相位反偏，后端使用差分放大器，放大差模信号，抑制共模信号。将两路合并后，噪声完全相抵，只有二者的差别信号被大幅度放大输出。常用于对于微弱信号的检测、DPSK、OCT等差分探测的应用。<br /> 光电平衡探测模块集成了两个良好匹配的光电二极管和一个低噪高速的互阻放大器，有效减少激光器噪声和共模噪声，提高了系统的性噪比。<br /> </td></tr></table> </div> <div id="comment_1194675" class="cm"> </div> <div id="post_rate_div_1194675"></div> </div> </dd> </dl> </div> </div> </div> </div> <script type="text/javascript"> new lazyload(); </script> <div class="wp mtn"> <!--[diy=diy3]--><div id="diy3" class="area"></div><!--[/diy]--> </div></div> </div> <!--autocomment filter by maxnum--> <div class="ft_wp"> <div id="ft" class=" cl"> <div id="flk" > <p> <a href="http://wpa.qq.com/msgrd?V=3&Uin=20600600&Site=光电工程师社区&Menu=yes&from=discuz" 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