均值便宜跟踪的示例，包括数据分析、绘图等等,结合PCA的尺度不变特征变换(SIFT)算法，仿真效果非常好，考虑雨衰 阴影 和多径影响，基于欧几里得距离的聚类分析。- Example tracking mean cheap, Data analysis, plotting, etc., Combined with PCA scale invariant feature transform (SIFT) algorithm, Simulation of the effect is very good, Consider shadow rain attenuation and multipath effects Clustering analysis based on Euclidean distance.