NTSC-IR

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Variation of Low-Frequency Time-Code Signal Field Strength during the Annular Solar Eclipse on 21 June 2020: Observation and Analysis 期刊论文
SENSORS, 2021, 卷号: 21, 期号: 4, 页码: 18
作者:  Wang, Xin;  Li, Bo;  Zhao, Fan;  Luo, Xinyu;  Huang, Luxi;  Feng, Ping;  Li, Xiaohui
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annual solar eclipse  low-frequency time-code signal  ionosphere  signal field strength measurement  
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
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astronomy history  chronology  solar eclipse  
The sky brightness when the rising sun is in eclipse 期刊论文
CHINESE ASTRONOMY AND ASTROPHYSICS, 1999, 卷号: 23, 期号: 2, 页码: 249-257
作者:  Liu, CY;  Zhou, XL
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solar eclipse  sky brightness  chronology