shuzituxiangchuliyujiqishibie

一种PID入门学习的模型，很基础的东西，想学PID的同学可以看看(A PID entry-learning model, very basic things, the students want to learn the PID can look)

谐波分析 功率谱分析 交叉谱分析很好的资料 还有关于功率谱分析的讨论(Harmonic analysis of cross-spectral analysis of spectral analysis of good information there is a discussion about the power spectrum analysis)

关于db4小波数据处理的一个简单matlab程序，可供大家参考参考(simple matlab test of xiaobo,it is expected hopleful)

说明：  求解关联维数123445566666777777888(Solving the correlation dimension 123445566666777777888)

基于多相催化反应动力学的特点和基本原理,提出多相催化反应动力学方程的一般形式,并介绍了用Matlab语言设计确定多相催化反应动力学方程参数的通用程序.处理时先对实验测定不同时刻对应的反应速率v0和浓度C(或压力P),利用无约束最优化计算方法求出多相催化反应动力学方程参数.文中以镍硅藻土催化苯加氢合成环己烷的实验数据为例进行验证,结果表明,利用所编程序确定的动力学方程和理论值及文献值很好吻合.(Based on the characteristics and dynamics of the basic principles of heterogeneous catalysis, heterogeneous catalysis proposed general form of kinetic equation and introduces heterogeneous catalytic reaction kinetics equation to determine the parameters used in Matlab language design common procedures when handling the first experimental measured at different times corresponding to the concentration of the reaction rate v0 and C (or pressure P), the use of unconstrained optimization calculations obtained heterogeneous catalytic reaction kinetics equation parameters. text nickel diatomaceous earth catalytic hydrogenation of benzene cyclohexane an example to validate the experimental data, the results show that the equations and theoretical value and dynamics literature values ​ ​ determined using the programmed good match.)

MATLAB实现EMD分析振动信号时的镜像对称延拓，此方法可以一定程度上降低HHT引起的端点效应(MATLAB to achieve EMD analysis of vibration signals when the mirror symmetry extension, this method can be reduced to some extent HHT caused by the end effect)

matlab工具箱函数汇总，列出所以工具箱函数：统计工具箱函数、样条工具箱函数等(aggregate function matlab toolbox, toolbox functions are listed there: Statistics Toolbox functions, such as spline function toolbox)

rasionalization of exponential function

在OFDM系统下，采用LS、MMSE、DCT、lrmmse等方法进行信道估计(channal estimate)

说明：  采用萤火虫算法对分布式电源进行优化，采用33节点系统(Firefly algorithm is used to optimize the distributed power supply)