Classification Method of Coal and Gangue Using Terahertz Time-Domain Spectroscopy, Cluster Analysis and Principal Component Analysis

The process of coal mining generates high amounts of coal gangue. Accordingly, coal–gangue separation is a key problem limiting coal production and quality. Terahertz time-domain spectroscopy was combined with multivariate statistical analyses to identify different kinds of coal and gangue. First, t...

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Veröffentlicht in:	Journal of applied spectroscopy 2022-09, Vol.89 (4), p.719-725
Hauptverfasser:	Shao, D., Miao, Sh, Fan, Q., Wang, X., Liu, Zh, Ding, E.
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorptivity Analysis Analytical Chemistry Atomic/Molecular Structure and Spectra Cluster analysis Coal Coal industry Coal mining Euclidean geometry Gangue Methods Mineral industry Mining industry Multivariate analysis Physics Physics and Astronomy Principal components analysis Refractivity Samples Spectroscopic analysis Spectrum analysis Statistical analysis Statistical methods Time domain analysis
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