用于时频分析算法，主要为数据分析和统计，借鉴了主成分分析算法（PCA），这个有中文注释，看得明白，多姿态，多角度，有不同光照,可以广泛的应用于数据预测及数据分析。- For time-frequency analysis algorithm, Mainly for data analysis and statistics, It draws on principal component analysis algorithm (PCA), The Chinese have a comment, understand it, Much posture, multi-angle, have different light, Can be widely used in data analysis and forecast data.