用于建立主成分分析模型，PLS部分最小二乘工具箱,有较好的参考价值，可以广泛的应用于数据预测及数据分析,重要参数的提取，可以得到很精确的幅值、频率、相位估计。- Principal component analysis model for establishing, PLS PLS toolbox, There are good reference value, Can be widely used in data analysis and forecast data, Extract important parameters, You can get a very accurate amplitude, frequency, phase estimation.