Xueqin Jiang, Qin Ye, Yi Lin, Xican Li. Inverting Study on Soil Water Content Based on Harmonic Analysis and Hyperspectral Remote Sensing[J]. Acta Optica Sinica, 2017, 37(10): 1028001
- Acta Optica Sinica
- Vol. 37, Issue 10, 1028001 (2017)
Fig. 1. The area of collecting soil samples
Fig. 2. OS reflectance of soil water content
Fig. 3. Spectral curves (a) before and (b) after wavelet packet denoising
Fig. 4. Inversion flow chart of soil water content
Fig. 5. Coefficients between different data and soil water contents
Fig. 6. Correlation coefficient between different energy spectrum characteristic parameters and soil water contents
Fig. 7. Comparison of measured and inversed values of soil water content
Fig. 8. Relative error of measured and inversed values of soil water content
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Table 1. PCA characteristic values and variance contributions of FD data
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Table 2. PCA characteristic values and variance contributions of WPT-FD data
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Table 3. PCA characteristic values and variance contributions of harmonic component
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Table 4. Comparison of the accuracy of different inversion models
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