借鉴了主成分分析算法（PCA），随机调制信号下的模拟ppm，包括 MUSIC算法，ESPRIT算法 ROOT-MUSIC算法，ICA（主分量分析）算法和程序，用于时频分析算法，插值与拟合，解方程，数据分析，数学方法是部分子空间法。- It draws on principal component analysis algorithm (PCA), Random ppm modulated analog signal under Including the MUSIC algorithm, ESPRIT algorithm ROOT-MUSIC algorithm, ICA (Principal Component Analysis) algorithm and procedures, For time-frequency analysis algorithm, Interpolation and fitting, solution of equations, data analysis, Mathematics is part of the subspace.