Jing SHI, Yong TAN, Gui-bo CHEN, Shuang LI, Hong-xing CAI. Inversion of Object Materials and Their Proportions Based on Scattering Spectra[J]. Spectroscopy and Spectral Analysis, 2022, 42(8): 2340
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 8, 2340 (2022)
Fig. 1. A schematic diagram of the experimental apparatus (a) and photograph of the apparatus (b)
Fig. 2. (a) Red, green, yellow, and blue materials in the ratio of 1:1:1:1; (b) red, green, yellow, and blue materials in the ratio of 3:2:1:2
Fig. 3. Illuminance fluctuations of in light source over time
Fig. 4. Photographs of the scattering spectra measurements for single-material samples
Fig. 5. Scatter and reflectance spectra of the four single-material samples
Fig. 6. Scattering spectrum of the equiproportional combination (combination 1)
Fig. 7. Scattering spectrum of the non-equiproportional combination (combination 2)
Fig. 8. Scattering spectra of a piece of space debris and the inversion fitting of its material proportions
(a): Measured raw spectral data; (b): Denoised scattering spectrum and the inversion fitting of its materials
(a): Measured raw spectral data; (b): Denoised scattering spectrum and the inversion fitting of its materials
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Table 1. Measurements of the stability of the solar simulator
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Table 2. Inversion of the equiproportional sample (combination 1)
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Table 3. Inversion of the non-equiproportional sample (combination 2)
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Table 4. Inverted material proportions of the target space debris
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