dualband

说明：  无线传感网络节点定位算法的研究，使用chan算法(Wireless sensor node localization algorithm, the use of chan algorithm)

this is a code for pca based face recoqnition ,nurl based programming .

Easy guide for learning Minitab

Matlabcode blowfish crypt al

小波变换的matlab程序，里面有对图片的小波变换和波形文件的小波变换程序(Matlab wavelet transform procedure, which the picture has on the waveform of wavelet transform and wavelet transform procedures documents)

matlab基础教程，刚入门的人可以学习一下(Matlab tutorial foundation, an entry-level people could learn )

说明：  双层优化模型，求解思路是：首先对上层的决策变量编码，代人下层规划模型，通过求解下层模型的决策变量值，代入上层模型计算适应度值，然后进行交叉、变异、选择操作，最后求出最优解(two-layer optimization)

通过极坐标变换获得图像的中心投影曲线，然后利用傅里叶变换获得图像的不变特征，从而实现对发生形变的物体的识别。(Polar coordinates to obtain the image through the center of projection curve, and then Fourier transform to obtain images of the same features, enabling the identification of objects deformation occurred.)

基于MATLAB的手机按键音识别系统设计的源代码，并利用GUI界面实现可视化操作功能(MATLAB-based mobile phone key tone recognition system design source code, and use the GUI interface to visualize operational functions)

产生MPSK信号的matlab源源代码，其中有4psk与8psk两中 (MPSK signal matlab Yuanyuan code, which 4psk with a 8psk two in)