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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">NASA激光通信中继演示项目（LCRD）预计在11月发射 </h1> <p class="xg1"> 时间：2021-10-20 09:55<a class="zz" href="home.php?mod=space&uid=54876">作者：update</a> 阅读<em id="_viewnum">(1124)</em> 评论: <a href="http://www.oecr.com/portal.php?mod=comment&id=9311&idtype=aid" title="查看全部评论"><em id="_commentnum">5</em></a>来自: cnBeta.COM</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>美国宇航局已经证实，其激光通信中继演示（LCRD）项目正准备在今年秋天晚些时候发射。这次发射将不早于11月22日在佛罗里达州进行。LCRD于5月抵达佛罗里达，目前已完全集成到航天器主机中，并准备在送入太空前进行终 ...</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> 美国宇航局已经证实，其<a href="http://laser.oecr.com" target="_blank" class="relatedlink">激光</a><a href="http://ofc.oecr.com" target="_blank" class="relatedlink">通信</a>中继演示（LCRD）项目正准备在今年秋天晚些时候发射。这次发射将不早于11月22日在佛罗里达州进行。LCRD于5月抵达佛罗里达，目前已完全集成到航天器主机中，并准备在送入太空前进行<a href="http://opticaltest.oecr.com" target="_blank" class="relatedlink">测试</a>。</div><div><br></div><div><p style="text-align: center;"><a href="data/attachment/portal/202110/20/095805ibl603nvnlmmfu3i.jpg" target="_blank"><img src="data/attachment/portal/202110/20/095805ibl603nvnlmmfu3i.jpg"></a></p></div><div><br></div><div> LCRD使用红外光作为媒介，通过激光束在各地之间发送和接收信息。该演示旨在展示从太空使用红外激<a href="http://ofc.oecr.com" target="_blank" class="relatedlink">光通信</a>的优势，其中的优点是能够通过单一下行链路增加可用数据带宽。</div><div><br></div><div> LCRD还减少了航天器上通信系统的尺寸、重量和功率要求。目前，该系统正在进行测试，随着检查的进行，该系统所需的几件硬件正在被整合。5月，发射集成系统测试在佛罗里达州Titusville的Astrotech空间作业设施进行。</div><div><br></div><div> LCRD的演示是一个有效载荷进入国防部空间测试计划卫星-6的轨道。该卫星是国防部空间测试计划任务的一部分，将由联合发射联盟的Atlas V火箭送入轨道。戈达德太空飞行中心正在领导这次演示，该任务的合作伙伴包括喷气推进实验室和麻省理工学院的林肯实验室。</div><div><br></div><div> LCRD的资金是通过美国宇航局技术示范任务计划提供的，是空间技术任务局的一部分。该航天器将被置于地球表面以上22000英里的地球同步轨道，并将成为美国宇航局运营的第一个双向激光通信中继站。</div><div><br></div><div><p style="margin: 0px; padding: 0px; color: rgb(143, 143, 143); font-family: Tahoma,; overflow-wrap: normal;" 255);"="" 255,="" rgb(255,="" simsun;="" yahei",="" microsoft=""><span style="text-indent: 28px; font-family: 微软雅黑; overflow-wrap: normal;"> 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onclick="portal_comment_requote(30954, '9311');">引用</a> </span> <a href="http://club.oecr.com/space-uid-29735.html" class="xi2 xw1" c="1">lijingcow</a> <span class="xg1 xw0">2021-10-20 10:55</span> </dt> <dd>热爱光电。</dd> </dl><a name="comment_anchor_30953"></a> <dl id="comment_30953_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(30953, '9311');">引用</a> </span> <a href="http://club.oecr.com/space-uid-49071.html" class="xi2 xw1" c="1">258bad</a> <span class="xg1 xw0">2021-10-20 10:25</span> </dt> <dd>回个帖子，下班咯~</dd> </dl><a name="comment_anchor_30952"></a> <dl id="comment_30952_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(30952, '9311');">引用</a> </span> <a href="http://club.oecr.com/space-uid-93767.html" class="xi2 xw1" c="1">cszcxh</a> <span class="xg1 xw0">2021-10-20 09:55</span> </dt> <dd>怎么才能在这里发布信息呢？</dd> </dl></div> </div> 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