MAO Hai-ying, FENG Zhong-ke, GONG Yin-xi, YU Jing-xin. Researches of Soil Normalized Difference Water Index (NDWI) of Yongding River Based on Multispectral Remote Sensing Technology Combined with Genetic Algorithm[J]. Spectroscopy and Spectral Analysis, 2014, 34(6): 1649