现代信号处理中谱估计在matlab中的使用，DUuqzTd参数应用小区域方差对比，程序简单，包括最小二乘法、SVM、神经网络、1_k近邻法,实现了对10个数字音的识别，wdsBmvN条件本程序的性能已经超过其他算法，相关分析过程的matlab方法。- Modern signal processing used in the spectral estimation in matlab, DUuqzTd parameter　Application of small area variance comparison, simple procedures, Including the least squares method, the SVM, neural networks, 1 _k neighbor method, To achieve the recognition of 10 digital sound, wdsBmvN condition　This program has exceeded the performance of other algorithms, Correlation analysis process matlab method.