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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=62" 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">打造“太空宽带”！美国研制激光通信技术 </h1> <p class="xg1"> 时间：2017-3-24 11:26<a class="zz" href="home.php?mod=space&uid=54876">作者：update</a> 阅读<em id="_viewnum">(848)</em> 评论: <a href="http://www.oecr.com/portal.php?mod=comment&id=5536&idtype=aid" title="查看全部评论"><em id="_commentnum">5</em></a></p> <div class="zxfb" ><a href="http://www.oecr.com/portal.php?mod=rss&catid=62" 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>美国航天局近日发表声明说，他们正在研发的一种名为“激光通信中继演示”的系统最近成功通过一个关键决策点评审，进入开发整合与测试阶段。</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> 美国航天局近日发表声明说，他们正在研发的一种名为“<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”的系统最近成功通过一个关键决策点评审，进入开发整合与<a href="http://opticaltest.oecr.com" target="_blank" class="relatedlink">测试</a>阶段。该技术将来有可能演变成高速太空互联网。</div><div><br></div><div><div style="line-height: 25.2px;"><font color="#808000" size="4" style="line-height: 25.2px;"><b> 推荐阅读</b></font></div><div style="line-height: 25.2px;"> <font size="3"> <a href="http://www.oecr.com/article-5333.html"><font color="#800080"><b>解密！白色激光创造难度大的原因</b></font></a></font></div><div style="line-height: 25.2px;"><span style="line-height: 1.8em;"><font size="3"> <a href="http://www.oecr.com/article-5305.html"><font color="#800080"><b>创造世界新记录：科学家研制“超级激光”</b></font></a></font></span></div></div><div><p style="text-align: center;"><a href="data/attachment/portal/201703/24/112532g9xp8209x695k5z9.jpeg" target="_blank"><img src="data/attachment/portal/201703/24/112532g9xp8209x695k5z9.jpeg"></a></p></div><div><br></div><div> 在太空通信中，美国航天局一直依赖无线电射频通信技术。<font color="#f00000"><b>相比之下，激<a href="http://ofc.oecr.com" target="_blank" class="relatedlink">光通信</a>将会把数据传输速率提高10-100倍，使从太空传回视频及高精度<a href="http://opticaltest.oecr.com" target="_blank" class="relatedlink">测量</a>数据成为可能。激光通信设备还有体积小、重量低、能耗少等优点。因此，激光通信被认为“有潜力给太空通信带来革命性改变”。</b></font></div><div><br></div><div> 按计划，美国航天局“激光通信中继演示”系统将于2019年夏季发射至距地面约3.6万千米的地球同步轨道。系统还将设立两个地面站，分别位于美国加利福尼亚州和夏威夷，以用于发送和接收数据。</div><div><br></div><div> 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