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SPECTROSCOPY AND SPECTRAL ANALYSIS  2020, Vol. 40 Issue (12): 3736-3742    DOI: 10.3964/j.issn.1000-0593(2020)12-3736-07
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Separation of Tire Rubber Overlapping Terahertz Spectra Using Non-Negative Matrix Factorization of Spectral Feature Constraints
YIN Xian-hua1, 2, LIU Yu1, 2, FENG Mu-lin1, 2, LI An3, MO Wei1*
1. School of Electronic Engineering and Automation, Guilin University of Electronic Technology, Guilin 541004, China
2. Guangxi Key Laboratory of Automatic Detection Technology and Instrument, Guilin 541004, China
3. National Rubber and Rubber Products Quality Supervision and Inspection Center(Guangxi), Guilin 541004, China