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浏览/检索结果: 共10条，第1-10条 帮助 限定条件 发表日期：2021     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Design of a multi-function high-speed digital baseband data acquisition system 期刊论文 RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 2021, 卷号: 21, 期号: 10, 页码: 12 作者:  Pei, Xin;  Li, Jian;  Wang, Na;  Ergesh, Toktonur;  Duan, Xue-Feng 收藏  |  浏览/下载：17/0  |  提交时间：2022/03/20 instrumentation  miscellaneous  techniques  miscellaneous  site testing   Measuring the Deflection of the Vertical via Local Reference Point Surveying and Pointing Calibration of a VLBI Telescope: A Case Study at the Urumqi Station 期刊论文 EARTH AND SPACE SCIENCE, 2021, 卷号: 8, 期号: 10, 页码: 13 作者:  Zhang, Zhibin;  Ma, Xiaohui;  Sun, Zhongmiao;  Zhang, Ali;  Yuan, Ye 收藏  |  浏览/下载：15/0  |  提交时间：2022/01/17 VLBI  deflection of the vertical  reference point  axis-related errors  axis offset   East Asian VLBI Network observations of active galactic nuclei jets: imaging with KaVA plus Tianma plus Nanshan 期刊论文 RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 2021, 卷号: 21, 期号: 8, 页码: 15 作者:  Cui, Yu-Zhu;  Hada, Kazuhiro;  Kino, Motoki;  Sohn, Bong-Won;  Park, Jongho 收藏  |  浏览/下载：64/0  |  提交时间：2022/03/20 galaxies  active  galaxies  jets  instrumentation  interferometers  radio continuum  galaxies   VLBI Data Processing on Coronal Radio-sounding Experiments of Mars Express 期刊论文 The Astronomical Journal, 2021, 卷号: 162, 期号: 4, 页码: 13 作者:  Ma,Maoli;  Calvés,Guifré Molera;  Cimò,Giuseppe;  Zhang,Peijin;  Xiong,Ming 收藏  |  浏览/下载：19/0  |  提交时间：2022/01/14 Solar wind  Very long baseline interferometry  Deep space probes   Positioning via GEO communication satellites' signals of opportunity 期刊论文 IET RADAR SONAR AND NAVIGATION, 2021, 页码: 11 作者:  Gao, Yuanyuan;  Zhao, Xian;  Wang, Shanhe;  Xiang, Yu;  Huang, Changjiang 收藏  |  浏览/下载：70/0  |  提交时间：2021/11/29 Broadband Multi-wavelength Properties of M87 during the 2017 Event Horizon Telescope Campaign 期刊论文 The Astrophysical Journal Letters, 2021, 卷号: 911, 期号: 1 作者:  Algaba,J. C.;  Anczarski,J.;  Asada,K.;  Balokovi?,M.;  Chandra,S. 收藏  |  浏览/下载：148/0  |  提交时间：2021/05/24 Active galactic nuclei  Radio cores  Low-luminosity active galactic nuclei  High energy astrophysics  Astrophysical black holes  Accretion   First M87 Event Horizon Telescope Results. VII. Polarization of the Ring 期刊论文 The Astrophysical Journal Letters, 2021, 卷号: 910, 期号: 1, 页码: 48 作者:  Akiyama,Kazunori;  Algaba,Juan Carlos;  Alberdi,Antxon;  Alef,Walter;  Anantua,Richard 收藏  |  浏览/下载：100/0  |  提交时间：2021/04/19 Polarimetry  Radio interferometry  Very long baseline interferometry  Supermassive black holes  Active galactic nuclei  Low-luminosity active galactic nuclei  Astronomy data modeling  Galaxy accretion disks  Galaxies: individual: M87   Polarimetric Properties of Event Horizon Telescope Targets from ALMA 期刊论文 The Astrophysical Journal Letters, 2021, 卷号: 910, 期号: 1, 页码: 54 作者:  Goddi,Ciriaco;  Martí-Vidal,Iván;  Messias,Hugo;  Bower,Geoffrey C.;  Broderick,Avery E. 收藏  |  浏览/下载：102/0  |  提交时间：2021/04/19 Magnetic fields  Relativistic jets  Active galactic nuclei  Radio jets  Polarimetry  Interferometry  Long baseline interferometry  Galactic center  Supermassive black holes  Blazars  Radio galaxies  Quasars   Ranging technology using signals of opportunity of non-cooperative communication satellites 期刊论文 JOURNAL OF NAVIGATION, 2021, 卷号: 74, 期号: 2, 页码: 488-500 作者:  Gao, Yuanyuan;  Hua, Yu;  Xiang, Yu;  Huang, Changjiang;  Wang, Shanhe 收藏  |  浏览/下载：12/0  |  提交时间：2021/11/29 navigation via signals of opportunity (NAVSOP)  very long baseline interferometry (VLBI)  passive radar detection  time difference measurement   The Optical Measuring System of Universal Time: Digital Zenith Tube 期刊论文 Journal of Physics: Conference Series, 2021, 卷号: 1739, 期号: 1 作者:  Cai,Hongbing;  Xu,Jingsong;  Chen,Shaojie 收藏  |  浏览/下载：18/0  |  提交时间：2021/11/29 Universal Time  UT1  Digital Zenith Tube  VLBI