基于分段非线性权重值的Pso算法，对于初学者具有参考意义，现代信号处理中谱估计在matlab中的使用，利用自然梯度算法，脉冲响应的相关分析算法并检验，用MATLAB实现动态聚类或迭代自组织数据分析。- Based on piecewise nonlinear weight value Pso algorithm, For beginners with a reference value, Modern signal processing used in the spectral estimation in matlab, Use of natural gradient algorithm, Related impulse response analysis algorithm and inspection, Using MATLAB dynamic clustering or iterative self-organizing data analysis.