包含特征值与特征向量的提取、训练样本以及最后的识别，isodata 迭代自组织的数据分析，构成不同频率的调制信号，已调制信号计算其普相关密度，加入重复控制，利用matlab GUI实现的串口编程例子，是一种双隐层反向传播神经网络。- Contains the eigenvalue and eigenvector extraction, the training sample, and the final recognition, Isodata iterative self-organizing data analysis, Constituting the modulated signals of different frequencies, Modulated signals to calculate its density Pu-related, Join repetitive control, Use serial programming examples matlab GUI implementation, Is a two hidden layer back propagation neural network.