Research on TFe Content of Hematite Based on LU-TELM-SOA and Selection of Band

<div>The fluctuating residual of each band and the spectral data after deleting the abnormal wave band. (a) The fluctuating residual. (b) The spectral data after deleting the abnormal wave band.</div>

Journal of Sensors

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Figure 4

Figure 4: Research on TFe Content of Hematite Based on LU-TELM-SOA and Selection of Band 