RISTA前沿大讲堂 | 太赫兹小型化宽覆盖通信技术

<!doctype html> <html> <head> <meta http-equiv="content-type" content="text/html; charset=gb2312" /> <meta http-equiv="X-UA-Compatible" content="IE=edge,Chrome=1"> <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no"/> <meta name="renderer" content="webkit"> <title>RISTA前沿大讲堂 | 太赫兹小型化宽覆盖通信技术 - C114通信网</title> <meta name="keywords" content="RISTA"/> <meta name="description" content="RISTA前沿大讲堂第三季第二十二期"/> <base target="_blank" /> <link rel="stylesheet" type="text/css" href="//www.c114.com.cn/live/live-new/css/swiper.min.css"/> <link rel="stylesheet" type="text/css" href="//www.c114.com.cn/live/live-new/css/index.css" /> <script src="https://res.wx.qq.com/open/js/jweixin-1.6.0.js"></script> <script src="//www.c114.com.cn/topic/js/sharewx2.asp?url=https%3A%2F%2Fwww%2Ec114%2Ecom%2Ecn%2Flive%2Ft921%2Ehtml"></script> <script type="text/javascript"> wx.config(wxconfig); wx.ready(function () { InitOnMenu(); }); wx.error(function (res) { }); function InitOnMenu() { var title = 'RISTA前沿大讲堂 | 太赫兹小型化宽覆盖通信技术'; var desc = 'RISTA前沿大讲堂第三季第二十二期'; var link = 'https://www.c114.com.cn/live/t921.html'; var imgUrl = 'https://topic.c114.com.cn/upload/image/2024/10/1730361550507366.jpg'; wx.updateAppMessageShareData({ title: title, desc: desc, link: link, imgUrl: imgUrl, success: function () { } }); wx.updateTimelineShareData({ title: title, link: link, imgUrl: imgUrl, success: function () { } }); }; </script> <script src="//www.c114.com.cn/js/jquery-1.11.0.min.js"></script> <script src="//www.c114.com.cn/live/live-new/js/jquery.cookie.js"></script> <style> .container-video{background: #4572e5; background-image: url(); background-position: center 0; background-repeat: no-repeat;} </style> </head> <body> <div class="top_head"> <div class="container-fluid"> <div class="container"> <div class="of"> <div class="l"><a href="//www.c114.com.cn/live/"><img src="//www.c114.com.cn/live/5GforGood/images/c114live.png"></a></div> <div class="r"><a href="//www.c114.com.cn/">首页</a></div> </div> </div> </div> </div> <div class="container-video"> <div class="container"> <div class="nav of"> <div class="l nav_l"><img src="https://topic.c114.com.cn/upload/image/2024/10/1729059133266576.png"></div> <div class="l nav_r"> <div class="nav_r_box"> <div class="nav_r_con"> <span>RISTA前沿大讲堂 | 太赫兹小型化宽覆盖通信技术</span> <p>2024年11月2日 10:00-11:00</p> </div> </div> </div> </div> <div class="video_box"> <img src="https://topic.c114.com.cn/upload/image/2024/11/17308827276319.jpg" class="img_block"> <div class="videoandclose"> <div id="id_video" class="video-player"></div> <div class="close-video"><img src="//www.c114.com.cn/live/live-new/images/close-32.png"></div> <div class="videoandbackground"> <div class="videoandbackground-top"></div> </div> </div>  <script src="https://web.sdk.qcloud.com/player/tcplayerlite/release/v2.4.0/TcPlayer-2.4.0.js" charset="utf-8"></script> </div> <div class="count-down"> 距离直播开始：<span class="days">0</span><span class="days_chinese">天</span><span class="hours">00</span>小时<span class="minutes">00</span>分<span class="seconds">00</span>秒 </div> <div class="look-people" id="look-people"> <span class="l" id="look_state"></span> </div> </div> </div> <div class="container mt"> <div class="information-collection"> <div class="information-box"> <div class="information-nav"> <div class="information-nav-scroll"> <a class="on">活动介绍</a> </div> </div> <div class="information-content"> <div class="option option-on"> <div class="introduce"> <p>太赫兹(terahertz，简称THz)波通常指的是频率在100 GHz~10 THz(波长3mm~30μm)范围内的电磁辐射，它在电磁频谱中介于微波和红外辐射之间。太赫兹波的独特性质及其与物质相互作用所表现出的丰富物理和化学特性，使太赫兹技术在无线高速通信、医学成像、微小目标探测和军事应用等领域具有非常高的应用价值。但即使是在太赫兹低频段大气窗口频率水、氧气等分子对通过的THz波还是有强烈的吸收衰减作用，太赫兹信号路径衰减大，高增益天线的波束窄，使得太赫兹系统具有不易被电磁干扰压制、安全性高等优点，同时存在作用距离、作用区域受限的不利影响。如何在宽空域覆盖范围内获得高速通信能力，需要深入开展研究工作。报告对近年来太赫兹通信技术现状进行了阐述，然后针对北京理工大学提出的紧凑集成的多通道收发+多波束天线+宽覆盖通信系统架构进行了介绍。针对太赫兹多通道收发系统在集成封装方面的需求，开展了包含片上探针、无基板封装等系列宽带低损耗互联技术研究，形成了一系列研究成果；针对空域宽覆盖难题，开展了基于3D打印和精密加工的透镜多波束天线和宽波束天线研究；基于以上研究成果，在D波段开展了高速通信数传验证，为短距离太赫兹宽覆盖无线通信提供了验证实例。</p> </div> </div> </div> </div> </div> </div> <div class="foot"> <div class="container"> <p>Copyright©1999-2024 C114 All Rights Reserved | 沪ICP备12002291号</p> </div> </div> <div style="display:none"> <img src="https://topic.c114.com.cn/counter/?id=921&t=t" style="display:none"/> <script type="text/javascript"> var _bdhmProtocol = (("https:" == document.location.protocol) ? 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RISTA前沿大讲堂 | 太赫兹小型化宽覆盖通信技术 - C114通信网