包含特征值与特征向量的提取、训练样本以及最后的识别，关于神经网络控制，用于建立主成分分析模型，处理信号的时频分析，多抽样率信号处理，在matlab环境中自动识别连通区域的大小,基于chebyshev的水声信号分析，仿真效果非常好。- Contains the eigenvalue and eigenvector extraction, the training sample, and the final recognition, On neural network control, Principal component analysis model for establishing, When processing a signal frequency analysis, Multirate signal processing, Automatic identification in the matlab environment the size of the connected area, Based chebyshev underwater acoustic signal analysis, Simulation of the effect is very good.