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时间长度一秒，频域99 功率最集中的几种滤波器比较(Comparison of several filter in one second.)

A time series Lyapunov exponent estimation for small data set

generation of a pulse train

similunk book about rus for advanced simulation and modeling

说明：  一个随机数产生器(mt19937) 计算物理中Monte Carlo方法中的基本条件 周期为2^19937(a random number generator (mt19937) Computational Physics Monte Carlo methods of the basic conditions for the cycle 2 ^ 19937)

求解积分函数的列子，可以求sin的定积分和cos的定积分函数。(Liezi solution of the integral function, you can find the definite integral of sin and cos of the definite integral function.)

这是一种使用matlab语言，权值定位方法实现的室内定位的算法源码，代码在matlab环境下模拟一个场景随机生成一个位置，然后使用此代码找到此位置。(This is a matlab language, weights positioning method of indoor positioning algorithm source code in Matlab environment simulate a the scene randomly generated a position, and then use this code to find this location.)

用matlab实现的PCA算法，用于人脸检测和识别，人脸图像的特征提取(algorithm of PCA of face detection by matlab)

实现功率谱估计的两种方法，直接法与自相关法(Power spectrum estimation of the two methods, the direct method and the autocorrelation method)

shapfilter_qask simulation program, including land-side, the originator, channel, as well a apsk modulation methods used for school data modulation