time-frequency

漢民碼譯碼器，此源碼提供各種規格的漢民碼解碼，並以副程式寫成，方便使用(hamming decoder)

说明：  利用离散hopfield网络对图像进行去噪滤波，复原出效果较好的结果，要求初始存储的图像至少10幅以上，编程实现(Network using discrete hopfield image denoising filter, a better recovery result, the initial stored image requires at least 10 or more, programming)

说明：  有关MATLAB的学习资料，清华大学出版的(MATLAB information about the study, published by Tsinghua University)

GREY PREDICTION ALGORITHM implementation in matlab source code

使用LDA算法对OPC人脸数据库进行识别，并判断识别的准确度(LDA algorithm using OPC face to identify and determine the accuracy of recognition)

说明：  网络函数逼近实例1.首先定义正弦函数，采样率为20Hz，频率为1Hz 2.生成BP网络。用newff函数生成前向型BP网络，设定隐层中神经元数目为10 3.对生成的网络进行仿真并做图显示。 4.训练。对网络进行训练，设定训练误差目标为 1e-5，最大迭代次数为300 5.再次对生成的网络进行仿真并做图显示。(Network function approximation example)

用matlab 实现功能界面 3种主功能(Matlab interface to achieve functionality with three kinds of features)

说明：  mli vectorille modulation

closed loop control of flyback converter

matlab工具箱的详细介绍，利于读者快速学习和掌握，灵活方便的编写程序(matlab toolbox detailed introduction, which will help readers gain a quick study and master, flexible programming)