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持续参与世界最大综合孔径望远镜SKA国际合作

China’s participation in the SKA—the world’s largest synthesis radio telescope

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【作者】 彭勃金乘进杜彪秦波郑元鹏卢雨梁赞明徐海光赵公博田文武刘国玺周建寨冯贞国师民祥张一凡金超闫丰伍洋刘鸿飞安涛顾俊骅牛传峰耿京朝朱岩朱凯于京龙柴晓明张立民张翔李婧楠李硕刘丽佳

【Author】 PENG Bo1,2,3*,JIN ChengJin1,2,3,DU Biao3,4,QIN Bo1,ZHENG YuanPeng3,4,LU Yu3,4,LIANG ZanMing3,4,XU HaiGuang5,ZHAO GongBo1,TIAN WenWu1,LIU GuoXi3,4,ZHOU JianZhai3,4,FENG ZhenGuo3,4,SHI MinXiang3,4,ZHANG YiFan3,4,JIN Chao3,4,YAN Feng3,4,WU Yang3,4,LIU HongFei1,2,3,AN Tao2,6,GU JunHua1,Niu ChuanFeng3,4,GENG JingChao3,4,ZHU Yan1,2,3,ZHU Kai1,2,3,YU JingLong1,2,3,CHAI XiaoMing1,3,ZHANG LiMin1,3,ZHANG Xiang1,3,LI JingNan3,4,LI Shuo3,4 & LIU LiJia1,3 1 National Astronomical Observatories,Chinese Academy of Sciences,Beijing 100012,China;2 Key laboratory of Radio astronomy,Chinese Academy of Sciences,Nanjing 210008,China;3 Joint Laboratory for Radio Astronomy Technology,NAOC & CETC54,Beijing 100012,China;4 The 54th Research Institute of China Electronics Technology Group Corporation,Shijiazhuang 050081,China;5 Department of Physics Shanghai Jiao Tong University,Shanghai 200240,China;6 Shanghai Astronomical Observatory,Chinese Academy of Sciences,Shanghai 200030,China

【机构】 中国科学院国家天文台中国科学院射电天文重点实验室射电天文技术联合实验室中国电子科技集团公司第五十四研究所上海交通大学理学院物理系中国科学院上海天文台

【摘要】 平方公里阵SKA(Square Kilometre Array)是计划建造的世界最大综合孔径射电望远镜,致力于回答宇宙起源和基本力等问题.自1993年概念提出,全球已有20个国家67个科研机构的天文学家和工程师参与SKA预研究.中国在SKA发起、选址、工程概念及技术研发等方面起到了重要推进作用.目前SKA已进入建设准备阶段,包括中国在内的许多国家正在进行先导天线、相位阵馈源等SKA关键技术试验研究.中国持续参与SKA国际合作,组建团队探索有限科学目标、致力于高精度轻型天线设计与工艺研究、宽频带大视场接收机技术研究,将跨越式提升我国天文学和技术水平、我国工程和制造业水平,实现国际重大科学工程的"中国创造"里程碑.其可行性已通过多方分析和论证,SKA是中国参与21世纪国际重大科学工程千载难逢的机遇.

【Abstract】 The SKA(Square Kilometer Array) will be the world’s largest synthesis radio telescope,which will address many fundamental questions about our universe.Scientists and Engineers from 67 institutions in 20 countries have joined the pre-study of the SKA since 1993.China has been playing an important role,from various SKA concepts in the early years,to the current site selection as well as the technical development.The SKA has now entered the pre-construction phase,and many countries including China are involved into the key technology development,such as antenna prototyping and Phased Array Feed.With China’s continuous participation into the SKA,including the establishment of a science team aiming at limited scientific objectives,technical studies and designs of high-precision light antennas and broadband wide-field receivers,the Chinese Astronomy and related technologies will be greatly promoted.The SKA will provide a great opportunity for China to play an active role in international mega-science projects.

【基金】 国家重点基础研究发展规划项目计划(编号:2013CB837900,2012CB821800);国家自然科学基金国际合作与交流项目(编号:11261140641);中国科学院重点部署项目(编号:KJZD-EW-T01)资助
  • 【文献出处】 中国科学:物理学 力学 天文学 ,Scientia Sinica(Physica,Mechanica & Astronomica) , 编辑部邮箱 ,2012年12期
  • 【分类号】TH751
  • 【被引频次】47
  • 【下载频次】516
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