FMCW调频连续波雷达的测距测角，包含特征值与特征向量的提取、训练样本以及最后的识别，利用最小二乘法进行拟合多元非线性方程。- FMCW frequency modulated continuous wave radar range and angular measurements, Contains the eigenvalue and eigenvector extraction, the training sample, and the final recognition, Multiva