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说明：  神经网络实现PID功能的源程序 用MATLAB直接运行就可以 可作学习用!(PID neural network function in MATLAB source code used to run directly on the study can be used!)

Matlab 有限元分析 LTQN 很少见FDTD MOM(Matlab finite element analysis LTQN rare)

Series and Prallel Feedbaack

BP（Back Propagation）网络是一种按误差逆传播算法训练的多层前馈网络，是目前应用最广泛的神经网络模型之一。 BP网络能学习和存贮大量的输入-输出模式映射关系，而无需事前揭示描述这种映射关系的数学方程。 它的学习规则是使用最速下降法，通过反向传播来不断调整网络的权值和阈值，使网络的误差平方和最小。BP神经网络模型拓扑结构包括输入层（input）、隐层(hide layer)和输出层(output layer)。 通过对信息的提取以及记忆，用作分类、聚类、预测等。 (BP (Back Propagation) network is a pre-press error back propagation algorithm Multilayer feedforward network, is one of the most widely used neural network model. BP network can learn and store a large amount of input- output mode mapping without prior reveal mathematical equations that describe the mapping relationship. It s learning rule is to use the steepest descent method, by reverse spread to constantly adjust the network weights and thresholds and the minimum sum of squared error of the network. BP neural network topology comprises an input layer (input), hidden layer (hide layer) and an output layer (output layer). By extracting information and memory, it is used as classification, clustering, prediction.)

说明：  isar成像，含外场数据，可以模拟成像效果，已经测试过了，可以使用(ISAR imaging, including field data can simulate the imaging effect,It has been tested and can be used)

说明：  在MATLAB环境下，实现对小波变换信号处理的有关试验(In the MATLAB environment, the realization of wavelet transform signal processing of the pilot)

基于MATLAB软件的数据处理程序。此程序中运用的是回归分析的方法。(Based on the MATLAB software data processing program. This program is the use of regression analysis method. )

里面包含两个程序，利用这两个程序你实现对于其他程序的处理。非常实用(Which contains two procedures, the use of these two procedures you implement other programs for processing. Very practical)

用SVM进行声音分类的程序，自己编的，效果挺好，用的是libsvm工具箱(With the sound of SVM classification procedures, own, and the effect is very good, with the libsvm toolbox)

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