filter

一个经典的分块DCT数字图像水印算法 嵌入 提取(A classical DCT block of digital image watermark embedding algorithm extracts)

谱线增强器的代码，里面包含最陡下降法的实现，是华中科技大学出版的现代数字信号处理课后题3.16的答案，对理解谱线增强器和最陡下降法的实现有很大帮助。(Line enhancer code, which contains the implementation of the steepest descent method, is published by the Huazhong University of Science after-school modern digital signal processing, the answer to question 3.16, to understand the line enhancer and the implementation of the steepest descent of great help .)

说明：  一个用来计算一维光子晶体全息干涉分布的程序，很好用的！(Used to calculate a one-dimensional photonic crystal holographic interferometry distribution procedures, very good use!)

使初级工程师能够较快速的了解MATLAB这一数学工具，以及初步掌握用法(Junior engineers can more quickly understand the mathematical tools of MATLAB, as well as preliminary master the usage)

最大功率点跟踪仿真模型，采用扰动观察法效果理想(Maximum Power Point Tracking Simulation Model)

利用simulink 仿真分析变压器谐波(Using simulink Simulation to Analyze Transformer Harmonic)

在matlab中bayes和Fisher分类器设计的小程序代码，实现垃圾邮件和正常邮件的分离，比较不同维度，不同样本，两种分类器正确率的优劣，适合初学者学习(In matlab the bayes and Fisher classifier design a small program code, junk mail and regular mail to achieve the separation of comparing different dimensions, different samples, the correct classification rate of both the pros and cons, suitable for beginners to learn)

维纳滤波器的函数调用，实现界面化操作，函数实现了简单的模糊与解模糊操作(Wiener filter function call, the realization of the interface of the operation)

面元法计算机翼气动参数，有nasa上百个翼型库文件，可以手动加载，进行翼型设计时可以选择和profile配合使用(pablo)

说明：  多信号模型在故障诊断中的应用Multi-signal model in fault diagnosis(Multi-signal model in fault diagnosis)