模极大值降噪算法

该代码是用分形技术来进行纹理分析及混沌序列来实现密写(The code is used fractal texture analysis techniques to conduct and chaotic sequence to achieve Steganography)

用这个matlab代码，可以画任意二维曲线，只要修改数据位自己的即可(Use the matlab code, you can draw an arbitrary two-dimensional curve, as long as the modified data bits can be)

emd_visu.m 是一个很好的对信号进行时频处理的工具箱，能很好的分析信号的特征。(Emd is a box for signal .)

根据干扰信号波形样式的不同，压制性干扰可分为噪声调幅干扰、噪声调频干扰、噪声调相干扰。就是用噪声或类似噪声的干扰信号遮盖或淹没有用信号，阻止雷达检测目标信息。它的基本原理是：任何一部雷达都有外部噪声和内部噪声，雷达对目标的检测是在这些噪声中进行的，其检测又是基于一定的概率准则的。一般来说，如果目标信号能量S与噪声能量N相比（信噪比S/N），超过检测门限D，则可以保证一定的虚警概率Pfa的条件下达到可检测目标回波所要求的检测概率Pd，简称为可发现目标，否则便称为不可发现目标。(Blanket Jamming can be divided into different styles according to the interference signal waveform, noise AM interference, noise FM jamming noise phase modulation interference. With noise or noise-like interference signal covered or submerged useful signal prevent radar detection target information from. Its basic principle is: any one radar has the external noise and the internal noise of the radar target detection in these noise detection is based on a certain probability criterion. Generally, compared to if the target signal energy S and noise energy N (signal-to-noise ratio S/N), more than the detection threshold D, you can guarantee reach target echo can be detected under the conditions of a certain false alarm probability Pfa requirements detection probability Pd, referred to can be found in the target, otherwise known as not finding the target.)

说明：  适用于电力系统仿真曲线的振荡频率分析的PRONY 分析程序(Prony analysis program for oscillation frequency analysis of power system simulation curve)

混沌模型的Matlab演示程序，这是Rossler、Julia、Lorenz、Mandlebrot函数的Matlab程序(Chaos model Matlab demonstration program, which is Rossler, Julia, Lorenz, Mandlebrot function of Matlab procedures)

说明：  数字信号处理教程——MATLAB释义与实现(very good)

遗传算法的GA主函数，选择函数，排序函数，交叉函数，变异函数等等(Genetic algorithm is proposed to GA Lord function, choose function, sort function, crossover function, variation functions and so on )

matlab函数命令大全 MATLAB常用函数参考(volumes of orders Matlab functions commonly used MATLAB Function Reference)

matlab编程比较有用的电子书之一，可以经常翻阅进行入门(matlab programming more useful one of the e-book, you can always look for entry-)