均值便宜跟踪的示例，结合PCA的尺度不变特征变换(SIFT)算法，信号处理中的旋转不变子空间法，鲁棒性好，性能优越，多抽样率信号处理，FMCW调频连续波雷达的测距测角。-Example tracking mean cheap, Combined with PCA scale invariant feature transform (SIFT) algorithm, Signal Processing ESPRIT method, Robustness, superior performance, Multirate signal processing, FMCW frequency modulated continuous wave radar range and angular measurements.