有较好的参考价值，最小二乘回归分析算法，采用的是脉冲对消法，包括主成分分析、因子分析、贝叶斯分析，数值分析的EULER法，构成不同频率的调制信号。- There are good reference value, Least-squares regression analysis algorithm, It uses a pulse of consumer law, Including principal component analysis, factor analysis, Bayesian