这是第二能量熵的matlab代码，包括邓氏关联度、绝对关联度、斜率关联度、改进绝对关联度,合成孔径雷达（SAR)目标成像仿真。- This is the second energy entropy matlab code, Including Deng s correlation, absolute correlation, correlation of slope, improved absolute correlation, Synthetic Aperture Radar (SAR) im