QQ客服 官方微博 反馈留言

浏览/检索结果: 共3条，第1-3条 帮助 已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择发表日期升序发表日期降序作者升序作者降序提交时间升序提交时间降序题名升序题名降序 A Novel Location-Awareness Method Using CubeSats for Locating the Spot Beam Emitters of Geostationary Communications Satellites 期刊论文 MATHEMATICAL PROBLEMS IN ENGINEERING, 2018, 卷号: 2018 作者:  Yang, Weicai;  Chang, Qing;  Kealy, Allison;  Xu, Yong;  Lan, Tianyi 收藏  |  浏览/下载：10/0  |  提交时间：2019/12/30 Communication satellites  Equations of motion  Geostationary satellites  Location  Satellites  Tracking (position)  Communications satellite  Geo-stationary orbits  Geostationary Earth orbit  Location awareness  Location systems  Measurement process  Radio frequencies  Realistic scenario  Orbits   COMPASS time synchronization and dissemination—Toward centimetre positioning accuracy 期刊论文 2016, 2016 WANG ZhengBo; ZHAO Lu; WANG ShiGuang; ZHANG JianWei; WANG Bo; WANG LiJun; WANG ZhengBo; ZHAO Lu; WANG ShiGuang; ZHANG JianWei; WANG Bo; WANG LiJun 收藏  |  浏览/下载：20/0 COMPASS time synchronization and dissemination-Toward centimetre positioning accuracy 期刊论文 SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY, 2014, 卷号: 57, 页码: 1788-1804 作者:  Wang ZhengBo;  Zhao Lu;  Wang ShiGuang;  Zhang JianWei;  Wang Bo 收藏  |  浏览/下载：3/0  |  提交时间：2020/01/06 GNSS  time and frequency  Global Navigation Satellite System  GNSS  time synchronization  time dissemination  atomic clock  phase locked loop  relativity  Geo-stationary satellites  reference system