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基于AGRAWAL, G. P. (2001). Nonlinear Fiber Optics (3rd ed.)中求解分布傅里叶变换解非线性薛定谔方程(Based AGRAWAL, GP (2001). Nonlinear Fiber Optics (3rd ed.) The Fourier transform of the distribution solution for solving the nonlinear Schrodinger equation)

性能最好的单用户能量检测频谱感知，都是最好的东西，曲线和理论值进行比较，效果明显。欢迎批评指正。(The best performance of a single-user energy detection spectrum sensing, are the best thing, curves and theoretical values ​ ​ are compared, the effect is obvious. Welcome criticism.)

a file for fft (fast Fourier transform)

对leach协议的改进，改变产生簇头的方式，距离bs越近，成为簇头的概率就越大。(Improvement on the leach protocol to change the way the cluster head generated from the bs the more recent, as the greater the probability of cluster head.)

说明：  TSAI法相机标定，求解一阶径变系数和焦距F，希望对大家有所帮助(TSAI camera calibration method, for solving a class Path Coefficients and focus F, hope to be helpful)

采用某种算法对样本进行分类，当有新的样本时把它们归到哪一类中，可以采取一些工具箱(Using an algorithm to classify the samples, when new samples to a class where they go, you can take Toolbox)

模式识别中经典的PCA算法，大家可以参考借鉴一下！(PCA in the classic pattern recognition algorithms, we can refer to learn it!)

说明：  针对Z变换法无法求取相邻采样点之间的输出响应的局限，利用MATLAB程 序语言，对单位负反馈系统的改进z变换法进行了程序设计。通过simulink仿真的实验，证 明该程序运算快速、准确，使用方便。(For the Z transform method can not strike between adjacent sampling points in response to the limitations of the output, using MATLAB programming language, a negative feedback system of units of the z transform method to improve the program design. Through simulink simulation experiments show that the procedures for computing fast, accurate and easy to use.)

Code of detecting core point

PSO PID 粒子群优化的最优控制器 用于交通流量控制 PSO PID 粒子群优化的最优控制器 用于交通流量控制(Particle Swarm Optimization PSO PID controller for optimal traffic flow control Particle Swarm Optimization PSO PID controller for optimal traffic flow control)