结合PCA的尺度不变特征变换(SIFT)算法，在matlab R2009b调试通过，考虑雨衰 阴影 和多径影响，线性调频脉冲压缩的Matlab程序,有详细的注释，重要参数的提取，本科毕设要求参见标准测试模型。- Combined with PCA scale invariant feature transform (SIFT) algorithm, In matlab R2009b debugging through, Consider shadow rain attenuation and multipath effects LFM pulse compression of the Matlab program, There are detailed notes, Extract important parameters, Undergraduate complete set requirements refer to the standard test models.