之前上传过一次，不小心删掉了，现在重新发送。基于matlab的cfar检测程序，识别sar图像中的船只，分为全局，局部和双参数检测。已经实验效果不错。(I uploaded it once before and deleted it accidentally. Now I'll send it again. Based on the CFAR detection program of MATLAB, the ship in SAR image is identified, which is di