中文说明：有详细的注释，信号处理中的旋转不变子空间法，详细画出了时域和频域的相关图，多元数据分析的主分量分析投影，GPS和INS组合导航程序，可以广泛的应用于数据预测及数据分析。
English Description：
There are detailed notes, signal processing in the rotation invariant subspace method, with painting the time domain and frequency domain correlation graph and multivariate data analysis principal component projection analysis, GPS and INS integrated navigation program, and can be widely applied to data forecasting and data analysis.