Per_Signal_Change信号变化率

这是一个完整的指纹识别程序，用matlab语言实现了识别指纹、比较两个指纹图像相似度等功能，并设计了用户界面，使用户方便地进行图片的提取和分析，同时直观地显示出比较结果。(This is a complete fingerprint recognition procedures, matlab language used to identify fingerprints, similarity compare two fingerprint images and other functions, and design a user interface that enables users to easily extract and analyze images at the same time intuitive display comparison results.)

基于BP神经网络的ＰＩＤ控制 绝对能运行的(Based on BP neural network PID control can certainly run)

现代图像处理技术及Matlab实现，介绍了一些matlab用法(modern image processing technology and Matlab, introduced the use of Matlab)

图像特征提取 特征提取 matlab 特征提取 图像特征 (Image feature extraction feature extraction feature extraction matlab image features)

最优化课程中的最速下降法matlab程序，利用了wolfe搜索和armijo线搜索(Matlab program of steepest descent method in optimization course, using Wolfe search and Armijo line search)

说明：  详细介绍了cdma通信系统功率控制的算法,并用matlab对其进行了仿真(In this paper, the power control algorithm of the cdma communication system is introduced in detail, and the simulation is carried out by matlab.)

介绍了常见的时频分析方法，包括短时傅里叶变换，Wigner-Ville分布以及小波变换等，结合MATLAB，引导读者如何运用其来进行时频分析(Describes the common time-frequency analysis methods, including short time Fourier transform, Wigner-Ville distribution and wavelet transform, combined with MATLAB, to guide the reader how to use it to carry out time-frequency analysis)

本压缩包中含有Contourlet的源程序，他被广泛的应用与图像融合中(The compressed source code of the Contourlet the package contains, he was a wide range of applications and image fusion)

通过稳态图来识别对机械机构的振动信号，用有理分式多项式法进行模态参数识别(By steady-state map to identify rational fraction polynomial method of mechanical vibration signal, modal parameter identification)

说明：  根据PID神经元网络控制器原理，在MATLAB中编程实现PID神经元网络控制多变量耦合系统。(According to the principle of PID neural network controller, the multivariable coupling system controlled by PID neural network is realized in MATLAB.)