array

。概括 了数字水印的研究现状和基本原理, 分析了基于小波变换的数字水印算法的优势, 阐述了小波 域水印嵌入与提取的过程, 最后由Matlab 仿真实现, 结果证明基于小波变换的数字水印具有较 强的掩蔽性和鲁棒性。(generalization The research status and the digital watermarking technology, analyzes the basic principle based on wavelet transform the advantage of digital watermarking algorithm, this paper expounds the wavelet Domain watermarking embedding and extracting process, finally by Matlab simulation results show the based on wavelet transform digital watermarking has more Strong masking and robustness. )

应用matlab实现梅尔倒谱系数的提取，通过采用不同样本进行数据对比(Application matlab realize extract Mel cepstral pedigree data by comparing different samples)

satellite image fusion

说明：  Matlab source code for kalman filter

最新台湾中央大学HHT程序；包含一个实例，EMD工具和EEMD工具；可以求瞬时频率(A few examples of how to use these programs are given, with a given dataset “gsta.dat”, which is the annual mean global surface temperature anomaly. In “gsta.dat”, the first column is the time and the second is the corresponding data value.)

时频原子分解算法主要用于建立时频原子库，从而提取出特征信号(Time-frequency atom decomposition algorithm for frequency atoms library created to extract the characteristic signal)

band pass filter design

讲述了模糊PID使用方式和编码程序，可以参考使用(Fuzzy PID describes the use of methods and coding procedures, you can refer to the use of)

A program to find the centre of each ellips

求二维三维等高线,立体图的很好用的程序，也可帮助画四维图。(Seeking 2D and 3D contours, three-dimensional map of the good use of the program can also help draw four-dimensional map.)