最小均方误差（MMSE）的算法，利用自然梯度算法，D-S证据理论数据融合，匹配追踪和正交匹配追踪，包含位置式PID算法、积分分离式PID，music高阶谱分析算法，复化三点Gauss-lengend公式求pi。- Minimum mean square error (MMSE) algorithm, Use of natural gradient algorithm, D-S evidence theory data fusion, Matching Pursuit and orthogonal matching pursuit, It contains positional PID algorithm, integral separate PID, music higher order spectral analysis algorithm, Complex of three-point Gauss-lengend the Formula pi.