结合EEMD和比值导数的岩石-植物混合波谱分解
曾雅琦,王正海,秦昊洋,周桃勇

Unmixing of Mixed Spectrum of Rocks and Vegetation Using EEMD and Derivative of Ratio Spectroscopy
Yaqi Zeng,Zhenghai Wang,Haoyang Qin,Taoyong Zhou
表1 比值导数光谱图中1.97~2.25 μm谷值提取
Table 1 Valleys in 1.97~2.25 μm in ratio-derivation spectrum
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