Johns Hopkins University（约翰斯·霍普金斯大学）

Generalization from Low- to Moderate-Resolution Spectra with Neural Networks for Stellar Parameter Estimation: A Case Study with DESI

利用神经网络从低分辨率到中等分辨率光谱进行泛化：恒星参数估计的案例研究

Xiaosheng Zhao, Yuan-Sen Ting, Rosemary F. G. Wyse, Alexander S. Szalay, Yang Huang, László Dobos, Tamás Budavári, Viska Wei

机构 * Department of Physics \& Astronomy, The Johns Hopkins University, Baltimore, MD 21218, USA ； Department of Astronomy, The Ohio State University, 140 West 18th Avenue, Columbus, OH 43210, USA ； Center for Cosmology ； AstroParticle Physics (CCAPP), The Ohio State University, Columbus, OH 43210, USA ； Department of Computer Science, The Johns Hopkins University, Baltimore, MD 21218, USA ； School of Astronomy ； Space Science, University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China ； National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, People's Republic of China ； Department of Information Systems, E\"otv\"os Lor\' ； University, Budapest 1117, Hungary ； Department of Applied Mathematics \& Statistics, Johns Hopkins University, Baltimore, MD 21218, USA 纠错

AI总结 本研究利用神经网络从低分辨率到中等分辨率光谱进行泛化，通过预训练和微调策略提升恒星参数估计的准确性。

Comments 22 pages, 13 figures, 4 tables. Accepted for publication in ApJ. Comments welcome