GMM

计算太阳黑子的活动周期，分别利用周期图法，Lenvinson-Durbin法和Burg法求得其功率谱，并画出曲线，观察得到活动周期(Calculation of sunspot activity cycle, namely the use of periodogram, Lenvinson-Durbin and Burg obtained the power spectrum, and draw curve, observation cycle)

多种群遗传算法的函数优化算法，可以实现基于多种群遗传算法的函数最优化问题(Multi population genetic algorithm function optimization algorithm, can be achieved based on multiple population genetic algorithm function optimization problem)

说明：  萤火虫算法实现求解最优问题，测试函数表明取得较好效果(Solving the Optimal Problem by Firefly Algorithms)

说明：  升余弦滚降信号及其功率谱。可以通过它实现通信系统中常用的升余弦滚降系统。用处极大哦~(Raised cosine roll-off signal and its power spectrum. Can achieve through its communication systems commonly used raised cosine roll-off system. Oh ~ great usefulness)

说明：  matlab编程实现简单计算器 matlab编程实现简单计算器 matlab编程实现简单计算器 matlab编程实现简单计算器 (matlab matlab programming programming simple calculator Simple calculator Simple calculator matlab matlab programming simple calculator program)

认知无线电是一种用于提高无线电通信频谱利用率的新的智能技术. 首先简述认知无线电的背景和概念,针 对认知无线电的频谱感知功能,详细地分析基于能量检测的频谱检测方法,在此基础上研究了噪声方差的不确定 性对检测性能的影响. 针对无线信号检测具有本地局域性和能量检测存在信噪比极限的特点,提出一种分布式有 限合作检测机制,推导出基于“OR”规则的有限合作机制的检测概率,并进行Monte Carlo仿真.(Cognitive radio is a radio communications spectrum used to improve the efficiency of the new smart technology. First, the background and outlined the concept of cognitive radio, spectrum sensing for cognitive radio capabilities, a detailed analysis of the spectrum based on energy detection test In this study the noise variance based on the uncertainty of the detection performance. for wireless signal detection with local detection of localized and there is signal to noise ratio limit of the energy characteristics of a distributed cooperative detection mechanism, derived out based on " OR" rules of the detection probability of the limited cooperation mechanism and conduct Monte Carlo simulation.)

Local Histogram Equilizaion, its input is the mask size and returns the equilized image buffer

matlab指令讲解，和常见算法分析，，非常具体。。初学者实用(matlab command explanation, and the common algorithm analysis, and very specific. . Useful for beginners)

hide message inside image and retrive it from image using dct

从视频中提取关键帧，以若干张图片替代视频关键内容。(Key frame extraction from video to video a number of key elements of alternative images.)