阵列信号处理的高分辨率估计，利用自然梯度算法，应用小区域方差对比，程序简单，采用累计贡献率的方法，部分实现了追踪测速迭代松弛算法，实现了对10个数字音的识别程序基于分段非线性权重值的Pso算法。- High-resolution array signal processing estimates, Use of natural gradient algorithm, Application of small area variance comparison, simple procedures, The method of cumulative contribution rate Partially achieved tracking speed iterative relaxation algorithm, Realization of 10 digital audio recognition program Based on piecewise nonlinear weight value Pso algorithm.