部分实现了追踪测速迭代松弛算法，基于分段非线性权重值的Pso算法，插值与拟合，解方程，数据分析，对信号进行频谱分析及滤波，用于信号特征提取、信号消噪，在matlab R2009b调试通过。- Partially achieved tracking speed iterative relaxation algorithm, Based on piecewise nonlinear weight value Pso algorithm, Interpolation and fitting, solution of equations, data analysis, The signal spectral analysis and filtering, For feature extraction, signal de-noising, In matlab R2009b debugging through.