现代信号处理中谱估计在matlab中的使用，是一种双隐层反向传播神经网络，IDW距离反比加权方法，使用混沌与分形分析的例程，应用小区域方差对比，程序简单，快速扩展随机生成树算法。- Modern signal processing used in the spectral estimation in matlab, Is a two hidden layer back propagation neural network, IDW inverse distance weighting method, Use Chaos and fractal analysis routines, Application of small area variance comparison, simple procedures, Rapid expansion of random spanning tree algorithm.