Table 3 The ZY1-02D hyperspectral remote sensing data and element correlation.
Spectral changes | K(Vegetation zone) | K(Bare area) | P(Vegetation zone) | P(Bare area) | ||||
|---|---|---|---|---|---|---|---|---|
Wave length(nm) | Coefficient of correlation | Wave length(nm) | Coefficient of correlation | Wave length(nm) | Coefficient of correlation | Wave length(nm) | Coefficient of correlation | |
Raw Spectrum | 1627 | 0.408 | 1274 | −0.120 | 1593 | −0.101 | 842 | 0.029 |
1880 | 0.408 | 1307 | −0.122 | 2014 | −0.105 | 894 | 0.030 | |
2467 | 0.447 | 2467 | 0.086 | 2132 | −0.104 | 1610 | −0.079 | |
2501 | 0.474 | 2501 | 0.125 | 2317 | −0.104 | 1963 | −0.079 | |
First order spectrum | 1031 | −0.402 | 816 | −0.387 | 1475 | −0.107 | 954 | −0.103 |
1627 | 0.539 | 1677 | 0.497 | 1912 | −0.111 | 988 | −0.114 | |
2334 | 0.520 | 2300 | −0.353 | 2199 | 0.149 | 1677 | 0.116 | |
2501. | −0.385 | 2350 | 0.477 | 2366 | 0.149 | 2350 | 0.133 | |
Second order spectra | 1023 | −0.493 | 962 | 0.492 | 1357 | −0.120 | 825 | 0.135 |
1963 | 0.517 | 1023 | −0.393 | 1828 | −0.118 | 1089 | −0.116 | |
2317 | 0.513 | 1644 | 0.395 | 2031 | 0.111 | 2334 | 0.123 | |
2450 | −0.511 | 2484 | −0.436 | 2115 | 0.122 | 2501 | −0.142 | |
Third order spectra | 979 | −0.547 | 1014 | −0.460 | 1812 | −0.127 | 816 | 0.147 |
1031 | 0.466 | 1677 | −0.442 | 2031 | 0.120 | 1005 | −0.109 | |
1929 | 0.458 | 1880 | 0.473 | 2216 | 0.144 | 2216 | 0.144 | |
2334 | −0.525 | 2216 | 0.461 | 2501 | −0.147 | 2501 | −0.107 | |
Continuity Removal Spectrum | 996 | 0.489 | 1845 | 0.443 | 816 | −0.139 | 1627 | −0.055 |
1139 | −0.511 | 2317 | −0.394 | 1290 | 0.061 | 1828 | 0.105 | |
1156 | −0.529 | 2467 | 0.429 | 2317 | −0.160 | 2317 | −0.063 | |
1845 | 0.500 | 2484 | 0.443 | 2501 | 0.090 | 2450 | −0.072 | |
