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浏览/检索结果: 共19条，第1-10条 帮助 限定条件 发表日期：2020     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 A study of GPS PPP velocity estimation with the constraints of Doppler observation 期刊论文 ADVANCES IN SPACE RESEARCH, 2020, 卷号: 66, 期号: 12, 页码: 2900-2913 作者:  Wang, Xingxing;  Tu, Rui;  Zhang, Rui;  Han, Junqiang;  Fan, Lihong 收藏  |  浏览/下载：19/0  |  提交时间：2021/11/29 Precise point positioning  Carrier phase observation  Doppler observation  Velocity estimation   Characterization of biases between BDS-3 and BDS-2, GPS, Galileo and GLONASS observations and their effect on precise time and frequency transfer 期刊论文 Measurement Science and Technology, 2020, 卷号: 32, 期号: 3 作者:  Zhang,Pengfei;  Tu,Rui;  Han,Junqiang;  Gao,Yuping;  Zhang,Rui 收藏  |  浏览/下载：21/0  |  提交时间：2021/11/29 BDS-3  ISB  time and frequency transfer  GNSS   Deep Convolutional Neural Network-Aided Detection of Portal Hypertension in Patients With Cirrhosis 期刊论文 CLINICAL GASTROENTEROLOGY AND HEPATOLOGY, 2020, 卷号: 18, 期号: 13, 页码: 2998-+ 作者:  Liu, Yanna;  Ning, Zhenyuan;  Ormeci, Necati;  An, Weimin;  Yu, Qian 收藏  |  浏览/下载：51/0  |  提交时间：2021/01/06 HVPG  Diagnostic  Deep Learning  AI   Detection and analysis of Galileo signal in space anomalies from 2017 to 2018 期刊论文 IET RADAR SONAR AND NAVIGATION, 2020, 卷号: 14, 期号: 11, 页码: 1690-1696 作者:  Fan, Lihong;  Tu, Rui;  Zhang, Rui;  Han, Junqiang;  Zhang, Pengfei 收藏  |  浏览/下载：18/0  |  提交时间：2021/11/29 distance measurement  error analysis  satellite navigation  aircraft landing guidance  radio receivers  Galileo signal  space anomalies  broadcast ephemeris  user navigation  SIS anomaly  advanced receiver autonomous integrity monitoring  precise ephemeris  SIS error  healthy Galileo satellites  corresponding detection thresholds  satellite SIS anomalies  satellite clock error  SIS stability  time 7  0 hour  time 2  5 hour  time 50  0 hour  time 4  5 hour   FeMo sub-nanoclusters/single atoms for neutral ammonia electrosynthesis 会议论文 作者:  Liu, Wei;  Han, Lili;  Wang, Hsiao-Tsu;  Zhao, Xueru;  Boscoboinik, J. Anibal 收藏  |  浏览/下载：13/0  |  提交时间：2020/12/18 Ammonia  Atoms  Binary alloys  Catalyst activity  Cost effectiveness  Doping (additives)  Electrocatalysts  Electrolytes  Iron  Iron alloys  Iron metallography  Molybdenum  Nanoclusters  Nitrogen  Precious metals  X ray photoelectron spectroscopyAmbient conditions  Ambient-pressure x-ray photoelectron spectroscopies  Bimetallic electrocatalysts  Faradaic efficiencies  Neutral electrolytes  Nitrogen saturation  Nitrogen-doped carbons  Non-noble metal catalysts   FeMo sub-nanoclusters/single atoms for neutral ammonia electrosynthesis 期刊论文 Nano Energy, 2020, 卷号: 77 作者:  Liu, Wei;  Han, Lili;  Wang, Hsiao-Tsu;  Zhao, Xueru;  Boscoboinik, J. Anibal 收藏  |  浏览/下载：13/0  |  提交时间：2022/02/17 Ammonia  Atoms  Binary alloys  Catalyst activity  Cost effectiveness  Doping (additives)  Electrocatalysts  Electrolytes  Iron  Iron alloys  Iron metallography  Molybdenum  Nanoclusters  Nitrogen  Precious metals  X ray photoelectron spectroscopy  Ambient conditions  Ambient-pressure x-ray photoelectron spectroscopies  Bimetallic electrocatalysts  Faradaic efficiencies  Neutral electrolytes  Nitrogen saturation  Nitrogen-doped carbons  Non-noble metal catalysts   FeMo sub-nanoclusters/single atoms for neutral ammonia electrosynthesis 期刊论文 Nano Energy, 2020, 卷号: 77 作者:  Liu, Wei;  Han, Lili;  Wang, Hsiao-Tsu;  Zhao, Xueru;  Boscoboinik, J. Anibal 收藏  |  浏览/下载：7/0  |  提交时间：2020/11/14 Ammonia  Atoms  Binary alloys  Catalyst activity  Cost effectiveness  Doping (additives)  Electrocatalysts  Electrolytes  Iron  Iron alloys  Iron metallography  Molybdenum  Nanoclusters  Nitrogen  Precious metals  X ray photoelectron spectroscopy  Ambient conditions  Ambient-pressure x-ray photoelectron spectroscopies  Bimetallic electrocatalysts  Faradaic efficiencies  Neutral electrolytes  Nitrogen saturation  Nitrogen-doped carbons  Non-noble metal catalysts   Initial evaluation and analysis of NRTK positioning performance with new BDS-3 signals 期刊论文 Measurement Science and Technology, 2020, 卷号: 32, 期号: 1 作者:  Liu,Jinhai;  Tu,Rui;  Han,Junqiang;  Zhang,Rui;  Fan,Lihong 收藏  |  浏览/下载：25/0  |  提交时间：2021/01/11 BDS  NRTK  virtual reference station  double-different correction  ambiguity resolution   Real-time detection of BDS orbit manoeuvres based on the combination of GPS and BDS observations 期刊论文 IET RADAR SONAR AND NAVIGATION, 2020, 卷号: 14, 期号: 10, 页码: 1603-1609 作者:  Tu, Rui;  Zhang, Rui;  Liu, Zhanke;  Fan, Lihong;  Han, Junqiang 收藏  |  浏览/下载：39/0  |  提交时间：2021/11/29 Global Positioning System  artificial satellites  object detection  BDS orbit manoeuvre detection method  Global Positioning System  single BDS system  orbital manoeuvre  observation time  real-time detection  Chinese BeiDou navigation satellite system  timing services  BDS satellites  continuous PNT services  reliable PNT services  geostationary orbit  global positioning  navigation  and timing services  inclined geosynchronous  medium earth orbit  MEO  combined GPS-BDS system  receiver clock error bias  time 157  0 min   Positioning bias of different frequency observations in double-differenced relative positioning 期刊论文 ADVANCES IN SPACE RESEARCH, 2020, 卷号: 66, 期号: 6, 页码: 1321-1328 作者:  Liu, Jinhai;  Tu, Rui;  Zhang, Rui;  Han, Junqiang;  Fan, Lihong 收藏  |  浏览/下载：27/0  |  提交时间：2020/08/31 BDS  GPS  RTK  Double-differenced  Inter-frequency bias  Relative positioning  CDMA