Preliminary experimental results by the prototype of Sanya Incoherent Scatter Radar

查看全文 作　　者：XinAn [1,2,3,4]Yue;WeiXing [1,2,3,4]Wan;Han [1,2,3,4]Xiao;LingQi [1,2,3]Zeng;ChangHai [5]Ke;BaiQi [1,2,3]Ning;Feng [1,2,3,4]Ding;BiQiang [1,2,3,4]Zhao;Lin [5]Jin;Chen [5]Li;MingYuan [1,2,3,4]Li;JunYi [1,2,3]Wang;HongLian [1,2,3]Hao;Ning [1,2,3]Zhang

机构地区：[1]Key Laboratory of Earth and Planetary Physics,Institute of Geology and Geophysics,Chinese Academy of Sciences,Beijing 100029,China;[2]Innovation Academy for Earth Science,Chinese Academy of Sciences,Beijing 100029,China;[3]Beijing National Observatory of Space Environment,Institute of Geology and Geophysics,Chinese Academy of Sciences,Beijing 100029,China;[4]College of Earth and Planetary Sciences,University of the Chinese Academy of Sciences,Beijing 100049,China;[5]Nanjing Research Institute of Electronics Technology,Nanjing 210039,China

出　　处：《Earth and Planetary Physics》索引2020年第4卷第6期,共9页

基　　金：This work was supported by the National Natural Science Foundation of China(grant no.41427901);the Strategic Priority Research Program of the Chinese Academy of Sciences(grant no.XDA17010206).We acknowledge the significant contributions of the engineering team from the Nanjing Research Institute of Electronics Technology beyond the author list.The experimental data can be obtained upon request through the corresponding authors. 摘　　要：In the past decades,the Incoherent Scatter Radar(ISR)has been demonstrated to be one of the most powerful instruments for ionosphere monitoring.The Institute of Geology and Geophysics at the Chinese Academy of Sciences was founded to build a state-ofthe-art phased-array ISR at Sanya(18.3°N,109.6°E),a low-latitude station on Hainan Island,named the Sanya ISR(SYISR).As a first step,a prototype radar system consisting of eight subarrays(SYISR-8)was built to reduce the technical risk of producing the entire large array.In this work,we have summarized the preliminary experimental results based on the SYISR-8.The amplitude and phase among 256 channels were first calibrated through an embedded internal monitoring network.The mean oscillation of the amplitude and phase after calibration were about 1 dB and 5°,respectively,which met the basic requirements.The beam directivity was confirmed by crossing screen of the International Space Station.The SYISR-8 was further used to detect the tropospheric wind profile and meteors.The derived winds were evaluated by comparison with independent radiosonde and balloon-based GPS measurements.The SYISR-8 was able to observe several typical meteor echoes,such as the meteor head echo,range-spread trail echo,and specular trail echo.These results confirmed the validity and reliability of the SYISR-8 system,thereby reducing the technical risk of producing the entire large array of the SYISR to some extent. 关键词：incoherent scatter radar SYISR IONOSPHERE phased array beam direction tropospheric wind METEOR

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Preliminary experimental results by the prototype of Sanya Incoherent Scatter Radar

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