中文说明：匹配追踪和正交匹配追踪，BP神经网络用于函数拟合与模式识别，快速扩展随机生成树算法，最小均方误差（MMSE）的算法，基于kaiser窗的双谱线插值FFT谐波分析，包括主成分分析、因子分析、贝叶斯分析。
English Description：
Matching pursuit and orthogonal matching pursuit, the BP neural network for function approximation and pattern recognition, the rapid expansion of the random spanning tree algorithm, minimum mean square error (MMSE) algorithm, based on Kaiser window double spectrum line interpolation FFT harmonic analysis, including principal component analysis, factor analysis, Bayesian analysis.