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alpha稳定分布的函数。该分布是一种连续概率分布，其概率密度比高斯分布概率密度有更厚的拖尾，是一类适用范围很宽的随机信号模型，比高斯分布有更广泛的适用性。(Alpha stable distribution function. This distribution is a continuous probability distribution, the probability density are thicker than gaussian probability density trailing, random signal model is a kind of very wide application scope, has wider applicability than gaussian distribution. )

雷达信号瞬时自相关处理，计算信号瞬时频率，计算雷达信号参数等(instant auto-corelation)

摘要:为提高密码的抗攻击性,利用超混沌系统随机性好!可确定再生,且密钥空间较大的特性,提出了一种基于四维连续超混沌系统和扩展映射的实时视频流加密算法"(Abstract: In order to improve the password anti-aggressive use of system randomness hyperchaos good! Regeneration can be identified, and key characteristics of the larger space, a row based on four-dimensional hyperchaotic system and expansion of mapping real-time video stream encryption algorithm )

遗传算法对约束优化问题的研究综述，主要是综述约束问题。(Genetic algorithm for constrained optimization problem in this paper, research is mainly summarized constraint problems. )

ekf 何友的数据融合的关于ekf的例子的代码，自己写的，不够优化，有需要子函数的联系我(the code of ekf)

sor消元法、共轭梯度法求解hilbert病态方程组(sor elimination method, conjugate gradient method for solving equations hilbert ill)

a image for async show

cdma matlab code full one

we have a photo camera with DC Motor and closed loop controller is equal k/s^2+s+k. first,we shoul find ZOH,then we identify the system with ARX model that na=nb=2 Here,we want to identify the Dynamic Linear System. we use different inputs such as normal distribution,uniform distribution,...

计算B样条非零基函数及其直到n阶导数（n<=p）的算法，p是B样条基函数的次数(Calculation of B-spline basis functions and until nonzero derivative of order n (n < = p) algorithm, p is the B-spline basis functions of times)