该程序包包含了高光谱匹配中所用到的多种光谱匹配方法：光谱角度匹配，光谱相关匹配，相关角度匹配，梯度角度匹配，离散信息匹配，离散信息角度匹配等-The package includes several matching methods commonly used in high spectra remote Sensing。These are spectral angle matching(SAM）,spectral correlation matching(SCM),spectral correlation angle matching（SCA），SGA,SID,SID-SA and so on.