NTSC-IR

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Automatic Calibration of Process Noise Matrix and Measurement Noise Covariance for Multi-GNSS Precise Point Positioning 期刊论文
MATHEMATICS, 2020, 卷号: 8, 期号: 4, 页码: 20
作者:  Zhang, Xinggang;  Li, Pan;  Tu, Rui;  Lu, Xiaochun;  Ge, Maorong;  Schuh, Harald
收藏  |  浏览/下载:11/0  |  提交时间:2020/09/01
EM-algorithm  multi-GNSS  PPP  process noise  observation covariance matrix  extended Kalman filter  machine learning  
Analysis of astronomical records of King Wu's conquest 期刊论文
SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY, 2001, 卷号: 44, 期号: 9, 页码: 1216-1224
作者:  Liu, CY;  Zhou, XL
收藏  |  浏览/下载:0/0  |  提交时间:2021/11/29
chronology  ancient astronomical records  history of astronomy  Chinese history  
Study on "double dawn" 期刊论文
SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY, 1999, 卷号: 42, 期号: 11, 页码: 1224-1232
作者:  Liu, CY;  Li, JK;  Zhou, XL
收藏  |  浏览/下载:0/0  |  提交时间:2021/11/29
astronomy history  chronology  solar eclipse  
Line profiles of the two-phase medium broad-line region in active galactic nuclei 期刊论文
SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY, 1996, 卷号: 39, 期号: 8, 页码: 883-896
作者:  Xue, SJ;  Lin, XB;  Cheng, FZ;  Kwan, J
收藏  |  浏览/下载:0/0  |  提交时间:2021/11/29
active galactic nuclei (AGNs)  broad line region (BLR)  emission line profiles