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A Coaxial Assembling Method of Dual Optical Path System based on Optical Centering Assembling 会议论文
Advanced Optical Manufacturing Technologies and Applications 2022; and 2nd International Forum of Young Scientists on Advanced Optical Manufacturing, AOMTA and YSAOM 2022, Changchun, China, 2022-07-29
作者:  Yin, Yamei;  Lei, Yu
Adobe PDF(474Kb)  |  收藏  |  浏览/下载：76/2  |  提交时间：2023/03/02
optical centering assembling  coaxial optical system  auto-collimation  
Research on precision alignment method of a five-mirror optical derotator system 期刊论文
JOURNAL OF ASTRONOMICAL TELESCOPES INSTRUMENTS AND SYSTEMS, 2023, 卷号: 9, 期号: 1
作者:  Lei, Yu;  Xu, Songbo;  Cao, Mingqiang;  Ma, Caiwen;  Duan, Zhanjun;  Fu, Xing;  Li, Hua;  Kang, Shifa
Adobe PDF(3387Kb)  |  收藏  |  浏览/下载：62/0  |  提交时间：2023/05/12
five-mirror optical derotator  matrix transformation  alignment  parallelism  concentricity  
Computer-Aided alignment method for a four-mirror off-Axis reflective optical system 会议论文
Eighth Asia Pacific Conference on Optics Manufacture and Third International Forum of Young Scientists on Advanced Optical Manufacturing, APCOM and YSAOM 2023, Shenzhen, China, 2023-08-04
作者:  Lei, Yu;  Ma, Caiwen;  Shi, Yuanyuan;  Hou, Xiaohua
Adobe PDF(554Kb)  |  收藏  |  浏览/下载：25/0  |  提交时间：2024/02/28
Computer-aided Alignment  Sensitivity Matrix  Off-axis system  
Optical axis consistency alignment method for 1m-diameter solar telescope 会议论文
Eighth Asia Pacific Conference on Optics Manufacture and Third International Forum of Young Scientists on Advanced Optical Manufacturing, APCOM and YSAOM 2023, Shenzhen, China, 2023-08-04
作者:  Xing, Fu;  Lei, Yu;  Bindong, Ji;  Keiwei, E.
Adobe PDF(433Kb)  |  收藏  |  浏览/下载：30/0  |  提交时间：2024/02/28
AIMS  1M solar telescope  Computer-aided Alignment  
A new off-axis Gregorian mechanical structure and its alignment method 会议论文
Seventh Asia Pacific Conference on Optics Manufacture, APCOM 2021, Shanghai, China, 2021-10-28
作者:  Fu, Xing;  Lei, Yu;  Cao, Mingqiang;  Yin, Yamei
Adobe PDF(497Kb)  |  收藏  |  浏览/下载：112/2  |  提交时间：2022/03/18
Off-axis Optical System  Alignment  Zernike Coefficients  Sensitivity Matrix  
Collective energy-spectrum broadening of a proton beam in a gas-discharge plasma 期刊论文
Physical Review E, 2021, 卷号: 103, 期号: 6
作者:  Cheng, Rui;  Hu, Zhang-Hu;  Hui, De-Xuan;  Zhao, Yong-Tao;  Chen, Yan-Hong;  Gao, Fei;  Lei, Yu;  Wang, Yu-Yu;  Zhu, Bing-Li;  Yang, Yang;  Wang, Zhao;  Zhou, Ze-Xian;  Wang, You-Nian;  Yang, Jie
Adobe PDF(1486Kb)  |  收藏  |  浏览/下载：223/2  |  提交时间：2021/07/20
Adjustment of optical axis consistency of spatial rotation in laser coupling 会议论文
AOPC 2021: Advanced Laser Technology and Applications, Beijing, China, 2021-06-20
作者:  Cao, Ming Qiang;  Li, Xiao Yan;  Hou, Xiao Hua;  Zhang, Ge;  Lei, Yu;  Fu, Xi Hong
Adobe PDF(628Kb)  |  收藏  |  浏览/下载：105/2  |  提交时间：2022/01/30
laser coupling  parallelism  coincidence  reference transmission  
Alignment control in off-Axis Gregorian system with reverse optimization method 会议论文
AOPC 2021: Novel Technologies and Instruments for Astronomical Multi-Band Observations, Beijing, China, 2021-06-20
作者:  Yin, Yamei;  Fu, Xing;  Lei, Yu;  Cao, Mingqiang
Adobe PDF(730Kb)  |  收藏  |  浏览/下载：100/2  |  提交时间：2022/01/30
Active optics  reverse optimization correction method  off-axis refractive system  wavefront aberration  
Short-term prediction of UT1-UTC by combination of the grey model and neural networks 期刊论文
ADVANCES IN SPACE RESEARCH, 2017, 卷号: 59, 期号: 2, 页码: 524-531
作者:  Lei, Yu;  Guo, Min(郭敏);  Hu, Dan-dan(胡丹丹);  Cai, Hong-bing;  Zhao, Dan-ning;  Hu, Zhao-peng;  Gao, Yu-ping;  Lei, Y (reprint author), Chinese Acad Sci, Natl Time Serv Ctr, Xian 710600, Shaanxi, Peoples R China.
Adobe PDF(453Kb)  |  收藏  |  浏览/下载：280/1  |  提交时间：2017/03/15
Ut1-utc  Prediction  Grey Model  Neural Networks (Nn)  
Application of Grey Model GM(1, 1) to Ultra Short-Term Predictions of Universal Time 期刊论文
Artificial Satellites, 2016, 卷号: 51, 期号: 1, 页码: 19-29
作者:  Lei, Yu;  Guo, Min(郭敏);  Zhao, Danning;  Cai, Hongbing;  Hu, Dandan
Adobe PDF(183Kb)  |  收藏  |  浏览/下载：163/5  |  提交时间：2016/03/21
Universal Time (Ut1-utc)  Prediction  Grey Model