结合EEMD和比值导数的岩石-植物混合波谱分解
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曾雅琦,王正海,秦昊洋,周桃勇
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Unmixing of Mixed Spectrum of Rocks and Vegetation Using EEMD and Derivative of Ratio Spectroscopy
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Yaqi Zeng,Zhenghai Wang,Haoyang Qin,Taoyong Zhou
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表1 比值导数光谱图中1.97~2.25 μm谷值提取
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Table 1 Valleys in 1.97~2.25 μm in ratio-derivation spectrum
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波谱名称 | 岩石面积比/% | t | | 波谱名称 | 岩石面积比/% | t | | 波谱名称 | 岩石面积比/% | t | B1_deriv | 100 | 42.30 | | B10_deriv | 65.75 | 37.68 | | B19_deriv | 19.55 | 32.97 | B2_deriv | 98.57 | 30.87 | | B11_deriv | 60.56 | 38.15 | | B20_deriv | 15.09 | 35.93 | B3_deriv | 96.02 | 36.77 | | B12_deriv | 55.30 | 36.49 | | B21_deriv | 10.96 | 28.70 | B4_deriv | 92.79 | 39.34 | | B13_deriv | 50 | 35.71 | | B22_deriv | 7.21 | 27.89 | B5_deriv | 89.04 | 38.41 | | B14_deriv | 44.70 | 29.77 | | B23_deriv | 3.98 | 24.16 | B6_deriv | 84.91 | 35.41 | | B15_deriv | 39.44 | 32.52 | | B24_deriv | 1.42 | 24.71 | B7_deriv | 80.45 | 32.77 | | B16_deriv | 34.25 | 38.04 | | B25_deriv | 0 | 3.05E-05 | B8_deriv | 75.74 | 34.45 | | B17_deriv | 29.18 | 35.91 | | | | | B9_deriv | 70.82 | 30.94 | | B18_deriv | 24.26 | 32.98 | | | | |
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