大口径射电望远镜相位阵馈源关键技术研究  

Research on Key Technologies of the Phase Array Feed for Large Aperture Radio Telescope

作　　者：刘海文 田洪亮 任宝平[2] 朱爽爽 LIU Hai-wen;TIAN Hong-liang;REN Bao-ping;ZHU Shuang-shuang(School of Information and Communication Engineering,Xi'an Jiaotong University,Xi'an 710049,China;School of Information Engineering,East China Jiaotong University,Nanchang 330013,China)

机构地区：[1]西安交通大学信息与通信工程学院,西安710049 [2]华东交通大学信息工程学院,南昌330013

出　　处：《微波学报》2023年第5期99-106,共8页Journal of Microwaves

基　　金：国家自然科学基金(62171363,U1831201,61761018);国家重点研发计划(2017YFE0128200);陕西国际科技合作重点项目(2022KWZ-15);陕西省科技创新团队项目(2023-CX-TD-03)。

摘　　要：馈源作为射电天文望远镜的关键部件,其性能至关重要。面向新疆奇台QTT 110 m射电望远镜和上海天马65 m射电望远镜相位阵馈源设计需求,本研究团队开展了抗射频干扰的高温超导滤波器、宽带Vivaldi天线阵列和低噪声GaAs MMIC芯片电路的研究工作。这些新型馈源技术、方案可为我国大口径射电望远镜的设计提供有效的理论与实验基础。As a key component of radio telescopes,the performance of the feed is crucial.In order to meet the design requirements of phase array feeder of Xinjiang Qitai QTT 110 m radio telescope and Shanghai Tianma 65 m radio telescope,our research team carried out research work on anti RF interference high-temperature superconductivity filters,broadband Vivaldi antenna arrays and low-noise GaAs MMIC chip circuits.These new technologies and schemes can provide an effective theoretical and experimental basis for the design of large aperture radio telescope in China.

关 键 词：射电望远镜 相位阵馈源 高温超导滤波器 Vivaldi天线阵列 GaAs MMIC 

分 类 号：P111.44[天文地球—天文学]