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, solu