利用自然梯度算法，基于分段非线性权重值的Pso算法，详细画出了时域和频域的相关图，信号维数的估计，现代信号处理中谱估计在matlab中的使用，感应双馈发电机系统的仿真，包括回归分析和概率统计，IDW距离反比加权方法。- Use of natural gradient algorithm, Based on piecewise nonlinear weight value Pso algorithm, Correlation diagram shown in detail the time domain and frequency domain, Signal dimension estimates, Modern signal processing used in the spectral estimation in matlab, Simulation of doubly fed induction generator system, Including regression analysis and probability and statistics, IDW inverse distance weighting method.