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A New Stellar Spectral Feature Extraction Method Based on Two-dimensional Fourier Spectrum Image and Its Application in the Stellar Spectral Classification Based on Deep Network
Affiliation:1. School of Mathematics and Computer Sciences, Yunnan Minzu University, Kunming 650500;2. School of Economics and Business Administration, Yunnan Vocational and Technical Collage of Agriculture, Kunming 650031;3. School of Physics and Electronic Engineering, Guangzhou University, Guangzhou,510006;4. Key Laboratory of the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650011;1. Innovation Academy for Microsatellites, Chinese Academy of Sciences, Shanghai 201210;2. National University of Defence Technology, Changsha 410073;3. Centre National d’Etudes Spatiales, Toulouse 31401;4. National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012;5. Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049;6. CEA/IRFU, Paris 91191;1. Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011;2. University of Chinese Academy of Sciences, Beijing 100049;3. Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030;4. Department of Astronomy, Yunnan University, Kunming 650091;1. National Time Service Center, Chinese Academy of Sciences, Xi’an 710600;2. Key Laboratory of Time and Frequency Primary Standards, National Time Service Center, Chinese Academy of Sciences, Xi’an 710600;3. University of Chinese Academy of Sciences, Beijing 100049;4. School of Astronomy and Space Science, University of Chinese Academy of Sciences, Beijing 100049;1. National Time Service Center, Chinese Academy of Sciences, Xi’an 710600;2. Key Laboratory of Time and Frequency Primary Standards, National Time Service Center, Chinese Academy of Sciences, Xi’an 710600;3. School of Astronomy and Space Science, University of Chinese Academy of Sciences, Beijing 100049;4. University of Chinese Academy of Sciences, Beijing 100049
Abstract:
Keywords:Stars: fundamental parameters  Methods: data analysis  techniques: spectral analysis
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