说明：  供做算法研究人员参考，重要参数的提取，结合PCA的尺度不变特征变换(SIFT)算法，最大似然（ML）准则和最大后验概率（MAP）准则，FMCW调频连续波雷达的测距测角，在matlab R2009b调试通过。
( Algorithm for researchers to do reference, Extract important parameters, Combined with PCA scale invariant feature transform (SIFT) algorithm, Maximum Likelihood (ML) criteria and maximum a posteriori (MAP) criterion, FMCW frequency modulated continuous wave radar range and angular measurements, In matlab R2009b debugging through.)