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的支撑臂来支撑雷达天线，通过雷达干涉成像获得了精确的三维地形；卫星的星载雷达天线的尺寸也越来越大，为了接收到几万千米以外的雷达信号，往往需要雷达天线的口径达到几十米甚至上百米，美国因拥有星载大口径天线技术而使其卫星通信导航太空侦查技术处于全球霸主地位。, authors=丁希仑, authorsList=丁希仑, authorCompany=北京航空航天大学机器人研究所, correspAuthors=null, authorNote=丁希仑，北京航空航天大学机器人研究所，教授。, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=ypupk41C6okwdkbGWu2ARA==, pdfFileSize=526497, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null)}, authors=null, keywords=null, refs=null, funds=null, companyList=null, figs=null, attaches=null, journal=Journal(id=1125356956822126595, delFlag=0, nameCn=科技导报, nameEn=Science & Technology Review, nameHistory1=null, nameHistory2=null, issn=1000-7857, eissn=, cn=11-1421/N, coden=null, periodic=3, language=CN, oaType=0, 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