说明：  用来读写高光谱遥感影像的matlab代码，支持BSQ,BIL,BIP格式，三种文件格式对应的是头文件*.lxw中的第5个数字，头文件可用写字板编辑
(The matlab code used to read and write in Hyperspectral Imagery support BSQ, BIL, BIP, format, corresponding to three types of file formats is a header file*. Lxw in the first five digits, the first file available WordPad editor)