release

利用matlab实现数字水印源码。提供了各种攻击的实现。(using Matlab digital watermarking source. Provide a variety of attacks realized.)

A hybrid approach combining extreme learning machine and sparse representation for image classification

这是21寸定位压合源代码(it s very inportent)

粒子群算法的matlab实现，自己写的，对初学者有一定帮助(good for learning)

利用mathlab仿真雷达脉冲压缩测距原理。对两个雷达回波信号进行脉冲压缩实现可分辨。(Using mathlab simulation principle of pulse compression radar ranging. The two implementing pulse compression radar echo signals can distinguish. )

说明：  在二维平面内生成随机点并构造二维Voronoi图(Construction of 2D Voronoi diagram with random points)

说明：  在进行矩阵求逆等计算时遇到矩阵条件数较大导致病态时，常用的各种解决病态方程方法(In the calculation of matrix inversion, when the number of matrix conditions is large, which leads to ill condition, various common methods to solve ill condition equation are used)

用包络解调的方法解调ＡＭ的已调信号，解调过程要比一般的相干解调方便很多．(Use envelope demodulation methods have tune AM demodulation signal demodulation process than ordinary coherent demodulation convenience.)

说明：  典型混沌系统logistic1D混沌 图像加密代码(chaotic image encrypt)

pca的matlab简单算法程序，没有什么特别的(PCA algorithm of matlab easy procedure, Nothing special)