A modified feed U‐slot patch antenna array for airborne very high frequency ice‐penetrating radar

摘要

Abstract >This article presents a 3?×?2 element U‐slot patch antenna array with modified feed for airborne very high frequency applications. The antenna array is designed to upgrade the Multichannel Coherent Radar Depth Sounder/Imager on board the National Aeronautics and Space Administration DC‐8 aircraft. The antenna array is placed in an aerodynamic fairing structure designed for airborne operation. The major objective is to design an antenna array with a wider impedance bandwidth compared to the existing array. Impedance bandwidth improvement is achieved in two steps. First step is by increasing the bandwidth of antenna element itself and the second step is by utilizing the mutual coupling between the elements of the array. To avoid the problem associated with a rigid probe feed, a modified flexible feed is designed, which can withstand the atmospheric and aerodynamic forces at high altitudes. A matching network is used at each antenna element in this array to further improve the impedance matching. The final antenna array with fairing structure achieved a fractional bandwidth of the 62.5% at center frequency of 243.75?MHz. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><abstract type =“main”xml：lang =“en”> <标题类型=“main”>抽象</ title> >本文呈现3？×2元素U插槽贴片天线阵列，具有用于机载非常高频应用的改进的进料。天线阵列旨在升级全国航空航天局的多通道相干雷达深度测深仪/成像仪，即国家航空航天局DC-8飞机。天线阵列放置在设计用于机载操作的空气动力学整体结构中。主要目标是设计与现有阵列相比具有更宽阻抗带宽的天线阵列。阻抗带宽改善是以两步实现的。第一步是通过增加天线元素本身的带宽，第二步是利用阵列的元件之间的相互耦合。为避免与刚性探针进料相关的问题，设计了一种改进的柔性馈送，可以承受高海拔的大气和空气动力。在该阵列中的每个天线元件中使用匹配网络以进一步提高阻抗匹配。具有整流结构的最终天线阵列在中心频率为243.75ΩmHz的中心频率实现了62.5％的分数带宽。</ p> </摘要> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" > 著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-24977/'>《Microwave and optical technology letters 》</a> <b style="margin: 0 2px;">|</b><span>2020年第1期</span><b style="margin: 0 2px;">|</b> <span>共9页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li> <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span> <a href="https://www.zhangqiaokeyan.com/clc/1165.html" title="光学">光学 ;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=airborne radar&option=203" rel="nofollow">airborne radar;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=antenna array&option=203" rel="nofollow">antenna array;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=U‐slot patch antenna&option=203" rel="nofollow">U‐slot patch antenna;</a> </p> <div class="translation"> 机译：机载雷达;天线阵列;U插槽贴片天线; </div> </li> </ul> </div> </div> <div class="literature cardcommon"> <div class="similarity "> <h3 class="all_title" id="enpatent66">相似文献</h3> <div class="similaritytab clearfix"> <ul> <li class="active" >外文文献</li> <li >中文文献</li> <li >专利</li> </ul> </div> <div class="similarity_details"> <ul > <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/journal-foreign-detail/0704019949023.html">A modified feed U‐slot patch antenna array for airborne very high frequency ice‐penetrating radar</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> </a> <a href="/journal-foreign-24977/" target="_blank" rel="nofollow" class="tuijian_authcolor">Microwave and optical technology letters .</a> <span>2020</span> <span>,第1期</span> </span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：用于机载的改进的馈电U插槽贴片天线阵列非常高频冰渗透雷达</span> </p> </li> <li> <div> <b>2. </b><a class="enjiyixqcontent" href="/academic-journal-foreign_instrumentation-and-measurement-ieee-transactions_thesis/02041927096.html">A Modified Wideband Dipole Antenna for an Airborne VHF Ice-Penetrating Radar</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Byers K.J.&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Byers K.J. </a> <a href="/journal-foreign-6/" target="_blank" rel="nofollow" class="tuijian_authcolor">Instrumentation and Measurement, IEEE Transactions on .</a> <span>2012</span> <span>,第5期</span> </span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：机载甚高频冰穿透雷达的改进型宽带偶极天线</span> </p> </li> <li> <div> <b>3. </b><a class="enjiyixqcontent" href="/academic-journal-foreign_detail_thesis/0204118554800.html">Design of Widebeam Tapered Slot Antenna for Wideband Airborne Active Phased Array Radar</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Babu Saraswathi K. 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href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=程崇虎&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">,程崇虎</a> <span> <a href="/conference-cn-15225/" target="_blank" rel="nofollow" class="tuijian_authcolor"> . 2009年全国天线年会 </a> <span> <span> . 2009</span> </span> </div> </li> <li> <div> <b>7. </b><a class="enjiyixqcontent" href="/academic-degree-domestic_mphd_thesis/020313887007.html">复杂天线阵列波束形成及在机载雷达中的应用</a> <b>[A] </b> <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=李博文&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . 李博文</a> <span> . 2017</span> </span> </div> </li> </ul> <ul style="display: none;"> <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/patent-detail/06120204374620.html">馈电耦合微带贴片天线阵列单元</a> <b>[P]</b> . <span> 中国专利： CN204375951U </span> <span> . 2015.06.03</span> </div> </li> <li> <div> <b>2. </b><a class="enjiyixqcontent" href="/patent-detail/06120109819688.html">一种基于阵元馈电波形控制的波控阵超宽带雷达天线阵列</a> <b>[P]</b> . <span> 中国专利： CN107329134A </span> <span> . 2017-11-07</span> </div> </li> <li> <div> <b>3. </b><a class="enjiyixqcontent" href="/patent-detail/06130433971947.html">Airborne weather radar antenna for e.g. meteorological phenomenon detection, has feed waveguide connected by coupling slots to radiating waveguides, where antenna beam pointing angle is varied by varying frequency of wave of feed waveguide</a> <b>[P]</b> . <span> 外国专利：  FR2886771A1 </span> <span> . 2006-12-08</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：机载气象雷达天线，例如气象现象检测，通过耦合槽将馈电波导连接到辐射波导，天线波束的指向角随馈电波导波频率的变化而变化 </span> </p> </li> <li> <div> <b>4. </b><a class="enjiyixqcontent" href="/patent-detail/06130433971945.html">Mono-pulse frequency dispersive antenna for airborne weather radar, has feed waveguide without coupling slots over length that is selected to have electrical length equal to electrical length of another feed waveguide coupled to lower part</a> <b>[P]</b> . <span> 外国专利：  FR2886772A1 </span> <span> . 2006-12-08</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：机载气象雷达的单脉冲频率色散天线，其馈电波导在长度上没有耦合槽，其长度选择为与耦合到下部的另一个馈电波导的电气长度相等 </span> </p> </li> <li> <div> <b>5. </b><a class="enjiyixqcontent" href="/patent-detail/06130447869577.html">Interleaved crossed-slot and patch array antenna for dual-frequency and dual polarization, with multilayer transmission-line feed network</a> <b>[P]</b> . <span> 外国专利：  US6239762B1 </span> <span> . 2001-05-29</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：用于双频和双极化的交错式交叉缝隙和贴片阵列天线，带有多层传输线馈电网络 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